{
  "fuels": {
    "diesel": {
      "max": 230.0,
      "min": 116.4,
      "label": "Diesel (B7)",
      "change_7d": 4.9,
      "change_30d": 9.6,
      "current_avg": 191.3,
      "coverage_pct": 98.3,
      "previous_avg": 186.4,
      "station_count": 8074,
      "thirty_day_avg": 181.7,
      "comparison_station_count_7d": 8050,
      "comparison_station_count_30d": 8011
    },
    "petrol": {
      "max": 222.0,
      "min": 114.1,
      "label": "Petrol (E10)",
      "change_7d": 4.5,
      "change_30d": 8.3,
      "current_avg": 169.3,
      "coverage_pct": 96.8,
      "previous_avg": 164.8,
      "station_count": 7947,
      "thirty_day_avg": 161.1,
      "comparison_station_count_7d": 7927,
      "comparison_station_count_30d": 7894
    },
    "premium_diesel": {
      "max": 255.9,
      "min": 51.5,
      "label": "Premium diesel",
      "change_7d": 5.7,
      "change_30d": 10.6,
      "current_avg": 209.2,
      "coverage_pct": 52.0,
      "previous_avg": 203.6,
      "station_count": 4270,
      "thirty_day_avg": 198.7,
      "comparison_station_count_7d": 4265,
      "comparison_station_count_30d": 4257
    },
    "premium_petrol": {
      "max": 255.9,
      "min": 100.7,
      "label": "Premium petrol (E5)",
      "change_7d": 5.3,
      "change_30d": 8.3,
      "current_avg": 186.5,
      "coverage_pct": 77.1,
      "previous_avg": 181.2,
      "station_count": 6331,
      "thirty_day_avg": 178.3,
      "comparison_station_count_7d": 6321,
      "comparison_station_count_30d": 6307
    }
  },
  "series": {
    "diesel": [
      {
        "avg": 181.7,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-14",
        "count": 8011
      },
      {
        "avg": 181.7,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-15",
        "count": 8011
      },
      {
        "avg": 181.7,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-16",
        "count": 8011
      },
      {
        "avg": 181.9,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-17",
        "count": 8013
      },
      {
        "avg": 182.0,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-18",
        "count": 8024
      },
      {
        "avg": 182.1,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-19",
        "count": 8025
      },
      {
        "avg": 182.3,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-20",
        "count": 8027
      },
      {
        "avg": 182.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-21",
        "count": 8029
      },
      {
        "avg": 182.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-22",
        "count": 8030
      },
      {
        "avg": 182.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-23",
        "count": 8030
      },
      {
        "avg": 182.8,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-24",
        "count": 8033
      },
      {
        "avg": 183.1,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-25",
        "count": 8033
      },
      {
        "avg": 183.2,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-26",
        "count": 8035
      },
      {
        "avg": 183.3,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-27",
        "count": 8038
      },
      {
        "avg": 183.3,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-28",
        "count": 8038
      },
      {
        "avg": 183.4,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-29",
        "count": 8038
      },
      {
        "avg": 183.4,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-30",
        "count": 8038
      },
      {
        "avg": 183.4,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-08-31",
        "count": 8038
      },
      {
        "avg": 183.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-01",
        "count": 8040
      },
      {
        "avg": 184.1,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-02",
        "count": 8042
      },
      {
        "avg": 184.7,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-03",
        "count": 8046
      },
      {
        "avg": 185.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-04",
        "count": 8048
      },
      {
        "avg": 186.0,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-05",
        "count": 8049
      },
      {
        "avg": 186.4,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-06",
        "count": 8050
      },
      {
        "avg": 187.5,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-07",
        "count": 8055
      },
      {
        "avg": 188.3,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-08",
        "count": 8059
      },
      {
        "avg": 189.0,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-09",
        "count": 8064
      },
      {
        "avg": 189.8,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-10",
        "count": 8070
      },
      {
        "avg": 190.7,
        "max": 291.9,
        "min": 116.4,
        "date": "2026-09-11",
        "count": 8071
      },
      {
        "avg": 191.0,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-12",
        "count": 8073
      },
      {
        "avg": 191.3,
        "max": 230.0,
        "min": 116.4,
        "date": "2026-09-13",
        "count": 8074
      }
    ],
    "petrol": [
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-14",
        "count": 7894
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-15",
        "count": 7894
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-16",
        "count": 7894
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-17",
        "count": 7897
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-18",
        "count": 7904
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 63.9,
        "date": "2026-08-19",
        "count": 7905
      },
      {
        "avg": 161.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-20",
        "count": 7906
      },
      {
        "avg": 161.2,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-21",
        "count": 7908
      },
      {
        "avg": 161.2,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-22",
        "count": 7909
      },
      {
        "avg": 161.2,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-23",
        "count": 7910
      },
      {
        "avg": 161.4,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-24",
        "count": 7913
      },
      {
        "avg": 161.4,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-25",
        "count": 7914
      },
      {
        "avg": 161.5,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-26",
        "count": 7914
      },
      {
        "avg": 161.5,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-27",
        "count": 7917
      },
      {
        "avg": 161.5,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-28",
        "count": 7917
      },
      {
        "avg": 161.6,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-29",
        "count": 7917
      },
      {
        "avg": 161.6,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-30",
        "count": 7917
      },
      {
        "avg": 161.6,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-08-31",
        "count": 7918
      },
      {
        "avg": 161.9,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-01",
        "count": 7921
      },
      {
        "avg": 162.4,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-02",
        "count": 7923
      },
      {
        "avg": 163.1,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-03",
        "count": 7925
      },
      {
        "avg": 164.0,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-04",
        "count": 7926
      },
      {
        "avg": 164.4,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-05",
        "count": 7927
      },
      {
        "avg": 164.8,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-06",
        "count": 7927
      },
      {
        "avg": 166.0,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-07",
        "count": 7931
      },
      {
        "avg": 166.9,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-08",
        "count": 7934
      },
      {
        "avg": 167.5,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-09",
        "count": 7940
      },
      {
        "avg": 168.2,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-10",
        "count": 7944
      },
      {
        "avg": 168.9,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-11",
        "count": 7944
      },
      {
        "avg": 169.2,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-12",
        "count": 7946
      },
      {
        "avg": 169.3,
        "max": 222.0,
        "min": 114.1,
        "date": "2026-09-13",
        "count": 7947
      }
    ],
    "premium_diesel": [
      {
        "avg": 198.7,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-14",
        "count": 4257
      },
      {
        "avg": 198.7,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-15",
        "count": 4257
      },
      {
        "avg": 198.7,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-16",
        "count": 4257
      },
      {
        "avg": 198.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-17",
        "count": 4258
      },
      {
        "avg": 198.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-18",
        "count": 4261
      },
      {
        "avg": 199.0,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-19",
        "count": 4261
      },
      {
        "avg": 199.1,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-20",
        "count": 4261
      },
      {
        "avg": 200.5,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-21",
        "count": 4261
      },
      {
        "avg": 200.5,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-22",
        "count": 4261
      },
      {
        "avg": 200.6,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-23",
        "count": 4261
      },
      {
        "avg": 200.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-24",
        "count": 4262
      },
      {
        "avg": 201.0,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-25",
        "count": 4263
      },
      {
        "avg": 201.0,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-26",
        "count": 4263
      },
      {
        "avg": 201.1,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-27",
        "count": 4264
      },
      {
        "avg": 201.1,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-28",
        "count": 4264
      },
      {
        "avg": 201.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-29",
        "count": 4264
      },
      {
        "avg": 201.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-30",
        "count": 4264
      },
      {
        "avg": 201.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-08-31",
        "count": 4264
      },
      {
        "avg": 201.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-01",
        "count": 4264
      },
      {
        "avg": 201.5,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-02",
        "count": 4264
      },
      {
        "avg": 202.1,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-03",
        "count": 4264
      },
      {
        "avg": 202.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-04",
        "count": 4265
      },
      {
        "avg": 203.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-05",
        "count": 4265
      },
      {
        "avg": 203.6,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-06",
        "count": 4265
      },
      {
        "avg": 206.0,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-07",
        "count": 4267
      },
      {
        "avg": 206.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-08",
        "count": 4268
      },
      {
        "avg": 207.4,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-09",
        "count": 4269
      },
      {
        "avg": 207.9,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-10",
        "count": 4270
      },
      {
        "avg": 208.8,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-11",
        "count": 4270
      },
      {
        "avg": 209.1,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-12",
        "count": 4270
      },
      {
        "avg": 209.2,
        "max": 255.9,
        "min": 51.5,
        "date": "2026-09-13",
        "count": 4270
      }
    ],
    "premium_petrol": [
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-14",
        "count": 6307
      },
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-15",
        "count": 6307
      },
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-16",
        "count": 6307
      },
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-17",
        "count": 6309
      },
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-18",
        "count": 6309
      },
      {
        "avg": 178.4,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-19",
        "count": 6309
      },
      {
        "avg": 178.3,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-20",
        "count": 6309
      },
      {
        "avg": 178.4,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-21",
        "count": 6309
      },
      {
        "avg": 178.5,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-22",
        "count": 6309
      },
      {
        "avg": 178.5,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-23",
        "count": 6310
      },
      {
        "avg": 178.6,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-24",
        "count": 6311
      },
      {
        "avg": 178.6,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-25",
        "count": 6311
      },
      {
        "avg": 178.6,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-26",
        "count": 6313
      },
      {
        "avg": 178.7,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-27",
        "count": 6314
      },
      {
        "avg": 178.7,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-28",
        "count": 6314
      },
      {
        "avg": 178.7,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-29",
        "count": 6314
      },
      {
        "avg": 178.7,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-30",
        "count": 6314
      },
      {
        "avg": 178.8,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-08-31",
        "count": 6314
      },
      {
        "avg": 178.9,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-09-01",
        "count": 6315
      },
      {
        "avg": 179.2,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-09-02",
        "count": 6317
      },
      {
        "avg": 179.6,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-09-03",
        "count": 6318
      },
      {
        "avg": 180.5,
        "max": 249.9,
        "min": 100.7,
        "date": "2026-09-04",
        "count": 6320
      },
      {
        "avg": 180.9,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-05",
        "count": 6320
      },
      {
        "avg": 181.2,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-06",
        "count": 6321
      },
      {
        "avg": 183.6,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-07",
        "count": 6323
      },
      {
        "avg": 184.5,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-08",
        "count": 6325
      },
      {
        "avg": 185.1,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-09",
        "count": 6328
      },
      {
        "avg": 185.6,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-10",
        "count": 6329
      },
      {
        "avg": 186.3,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-11",
        "count": 6330
      },
      {
        "avg": 186.5,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-12",
        "count": 6331
      },
      {
        "avg": 186.5,
        "max": 255.9,
        "min": 100.7,
        "date": "2026-09-13",
        "count": 6331
      }
    ]
  },
  "is_live": false,
  "findings": [
    {
      "kind": "national",
      "title": "Petrol (E10) rose 4.5p",
      "detail": "The equal-station UK average ended the week at 169.3p per litre across 7,947 stations."
    },
    {
      "kind": "national",
      "title": "Diesel (B7) rose 4.9p",
      "detail": "The equal-station UK average ended the week at 191.3p per litre across 8,074 stations."
    },
    {
      "kind": "retailer",
      "title": "Nicholl had the lowest retailer petrol average",
      "detail": "Its measured average was 159.9p per litre across 5 stations."
    },
    {
      "kind": "area",
      "title": "BT postcode area was the fastest-rising petrol area",
      "detail": "The postcode-area average increased 6.4p to 163.7p per litre."
    },
    {
      "kind": "motorway",
      "title": "Motorway petrol carried a 22.8p premium",
      "detail": "That is about \u00a312.54 on a 55-litre fill compared with non-motorway stations."
    },
    {
      "kind": "supermarket",
      "title": "Supermarket petrol averaged 3.7p less",
      "detail": "The measured gap equates to about \u00a32.04 on a 55-litre fill."
    }
  ],
  "headline": "Petrol rose 4.5p and diesel rose 4.9p in the week to 13 September 2026",
  "week_start": "2026-09-07",
  "area_movers": {
    "diesel": {
      "rising": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": 7.7,
          "current_avg": 199.2,
          "previous_avg": 191.5,
          "station_count": 14,
          "comparison_station_count": 14
        },
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": 6.8,
          "current_avg": 190.2,
          "previous_avg": 183.4,
          "station_count": 17,
          "comparison_station_count": 17
        },
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": 6.1,
          "current_avg": 184.9,
          "previous_avg": 178.8,
          "station_count": 570,
          "comparison_station_count": 560
        },
        {
          "key": "N",
          "label": "N postcode area",
          "change_7d": 6.0,
          "current_avg": 193.2,
          "previous_avg": 187.2,
          "station_count": 41,
          "comparison_station_count": 41
        },
        {
          "key": "DH",
          "label": "DH postcode area",
          "change_7d": 5.9,
          "current_avg": 191.0,
          "previous_avg": 185.1,
          "station_count": 40,
          "comparison_station_count": 40
        }
      ],
      "falling": []
    },
    "petrol": {
      "rising": [
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": 6.4,
          "current_avg": 163.7,
          "previous_avg": 157.2,
          "station_count": 508,
          "comparison_station_count": 501
        },
        {
          "key": "IV",
          "label": "IV postcode area",
          "change_7d": 6.1,
          "current_avg": 173.2,
          "previous_avg": 167.1,
          "station_count": 62,
          "comparison_station_count": 62
        },
        {
          "key": "HR",
          "label": "HR postcode area",
          "change_7d": 6.1,
          "current_avg": 169.2,
          "previous_avg": 163.1,
          "station_count": 34,
          "comparison_station_count": 34
        },
        {
          "key": "DH",
          "label": "DH postcode area",
          "change_7d": 6.1,
          "current_avg": 169.9,
          "previous_avg": 163.8,
          "station_count": 39,
          "comparison_station_count": 39
        },
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": 6.0,
          "current_avg": 174.5,
          "previous_avg": 168.5,
          "station_count": 13,
          "comparison_station_count": 13
        }
      ],
      "falling": []
    },
    "premium_diesel": {
      "rising": [
        {
          "key": "SE",
          "label": "SE postcode area",
          "change_7d": 8.4,
          "current_avg": 211.7,
          "previous_avg": 203.3,
          "station_count": 36,
          "comparison_station_count": 36
        },
        {
          "key": "TD",
          "label": "TD postcode area",
          "change_7d": 8.1,
          "current_avg": 209.1,
          "previous_avg": 201.0,
          "station_count": 9,
          "comparison_station_count": 9
        },
        {
          "key": "FK",
          "label": "FK postcode area",
          "change_7d": 7.9,
          "current_avg": 212.7,
          "previous_avg": 205.1,
          "station_count": 20,
          "comparison_station_count": 19
        },
        {
          "key": "KA",
          "label": "KA postcode area",
          "change_7d": 7.7,
          "current_avg": 205.6,
          "previous_avg": 197.9,
          "station_count": 18,
          "comparison_station_count": 18
        },
        {
          "key": "IV",
          "label": "IV postcode area",
          "change_7d": 7.2,
          "current_avg": 211.5,
          "previous_avg": 204.3,
          "station_count": 11,
          "comparison_station_count": 11
        }
      ],
      "falling": []
    },
    "premium_petrol": {
      "rising": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": 8.2,
          "current_avg": 172.7,
          "previous_avg": 164.5,
          "station_count": 8,
          "comparison_station_count": 8
        },
        {
          "key": "HA",
          "label": "HA postcode area",
          "change_7d": 7.4,
          "current_avg": 188.4,
          "previous_avg": 181.0,
          "station_count": 27,
          "comparison_station_count": 27
        },
        {
          "key": "CT",
          "label": "CT postcode area",
          "change_7d": 6.8,
          "current_avg": 188.0,
          "previous_avg": 181.2,
          "station_count": 48,
          "comparison_station_count": 48
        },
        {
          "key": "SM",
          "label": "SM postcode area",
          "change_7d": 6.8,
          "current_avg": 192.2,
          "previous_avg": 185.4,
          "station_count": 14,
          "comparison_station_count": 14
        },
        {
          "key": "W",
          "label": "W postcode area",
          "change_7d": 6.8,
          "current_avg": 190.5,
          "previous_avg": 183.7,
          "station_count": 27,
          "comparison_station_count": 27
        }
      ],
      "falling": []
    }
  },
  "methodology": {
    "cohort": "A station/fuel enters from its first recorded price event; current active status is not projected backwards.",
    "price_bounds": "Values outside 50p to 300p per litre are excluded.",
    "carry_forward": "A station's last reported price is carried forward until it changes.",
    "area_definition": "Local movers use the alphabetic UK postcode area.",
    "station_weighting": "Each station contributes one equal-weight end-of-day price.",
    "classification_limitation": "Brand, postcode area, and motorway labels use the station's current classification because dated dimension history is not yet stored."
  },
  "week_ending": "2026-09-13",
  "generated_at": "2026-09-14T07:31:22.946201+00:00",
  "motorway_premium": {
    "diesel": {
      "premium": 18.8,
      "other_avg": 191.0,
      "motorway_avg": 209.8,
      "tank_premium_gbp": 10.34,
      "motorway_station_count": 136,
      "comparison_station_count": 7938
    },
    "petrol": {
      "premium": 22.8,
      "other_avg": 169.0,
      "motorway_avg": 191.8,
      "tank_premium_gbp": 12.54,
      "motorway_station_count": 136,
      "comparison_station_count": 7811
    },
    "premium_diesel": {
      "premium": 16.6,
      "other_avg": 208.7,
      "motorway_avg": 225.3,
      "tank_premium_gbp": 9.13,
      "motorway_station_count": 132,
      "comparison_station_count": 4138
    },
    "premium_petrol": {
      "premium": 24.1,
      "other_avg": 186.0,
      "motorway_avg": 210.1,
      "tank_premium_gbp": 13.26,
      "motorway_station_count": 132,
      "comparison_station_count": 6199
    }
  },
  "retailer_rankings": {
    "diesel": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 4.5,
        "current_avg": 181.4,
        "previous_avg": 176.9,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 3.0,
        "current_avg": 182.7,
        "previous_avg": 179.7,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 3.9,
        "current_avg": 184.5,
        "previous_avg": 180.6,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 4.4,
        "current_avg": 184.8,
        "previous_avg": 180.4,
        "station_count": 18,
        "comparison_station_count": 17
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 7.2,
        "current_avg": 185.6,
        "previous_avg": 178.4,
        "station_count": 93,
        "comparison_station_count": 91
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 7.2,
        "current_avg": 186.5,
        "previous_avg": 179.3,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.8,
        "current_avg": 186.7,
        "previous_avg": 183.9,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.8,
        "current_avg": 187.7,
        "previous_avg": 181.9,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 6.4,
        "current_avg": 188.9,
        "previous_avg": 182.5,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 4.1,
        "current_avg": 189.0,
        "previous_avg": 184.9,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 6.9,
        "current_avg": 189.0,
        "previous_avg": 182.1,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 4.7,
        "current_avg": 189.0,
        "previous_avg": 184.3,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.7,
        "current_avg": 189.5,
        "previous_avg": 184.8,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 6.0,
        "current_avg": 189.8,
        "previous_avg": 183.9,
        "station_count": 170,
        "comparison_station_count": 166
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 6.1,
        "current_avg": 190.1,
        "previous_avg": 183.9,
        "station_count": 47,
        "comparison_station_count": 46
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 4.8,
        "current_avg": 190.2,
        "previous_avg": 185.5,
        "station_count": 51,
        "comparison_station_count": 50
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 5.3,
        "current_avg": 190.2,
        "previous_avg": 184.9,
        "station_count": 507,
        "comparison_station_count": 505
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 5.8,
        "current_avg": 190.3,
        "previous_avg": 184.5,
        "station_count": 311,
        "comparison_station_count": 311
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.5,
        "current_avg": 191.1,
        "previous_avg": 185.6,
        "station_count": 299,
        "comparison_station_count": 298
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 5.1,
        "current_avg": 191.4,
        "previous_avg": 186.3,
        "station_count": 168,
        "comparison_station_count": 168
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 5.1,
        "current_avg": 192.4,
        "previous_avg": 187.3,
        "station_count": 1453,
        "comparison_station_count": 1453
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 6.6,
        "current_avg": 193.3,
        "previous_avg": 186.7,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 6.0,
        "current_avg": 193.6,
        "previous_avg": 187.6,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 6.4,
        "current_avg": 193.6,
        "previous_avg": 187.2,
        "station_count": 155,
        "comparison_station_count": 155
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 5.1,
        "current_avg": 194.4,
        "previous_avg": 189.3,
        "station_count": 1098,
        "comparison_station_count": 1096
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 5.9,
        "current_avg": 195.1,
        "previous_avg": 189.2,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.6,
        "current_avg": 195.1,
        "previous_avg": 191.5,
        "station_count": 916,
        "comparison_station_count": 916
      }
    ],
    "petrol": [
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 0.4,
        "current_avg": 159.9,
        "previous_avg": 159.5,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 4.0,
        "current_avg": 160.1,
        "previous_avg": 156.1,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 4.0,
        "current_avg": 162.6,
        "previous_avg": 158.4,
        "station_count": 18,
        "comparison_station_count": 17
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 6.5,
        "current_avg": 164.2,
        "previous_avg": 157.7,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 8.3,
        "current_avg": 164.4,
        "previous_avg": 156.1,
        "station_count": 92,
        "comparison_station_count": 90
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 6.4,
        "current_avg": 164.8,
        "previous_avg": 158.4,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.3,
        "current_avg": 165.0,
        "previous_avg": 162.7,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.3,
        "current_avg": 166.1,
        "previous_avg": 160.8,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 3.5,
        "current_avg": 166.7,
        "previous_avg": 163.2,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.5,
        "current_avg": 167.4,
        "previous_avg": 162.9,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 5.1,
        "current_avg": 167.4,
        "previous_avg": 162.3,
        "station_count": 19,
        "comparison_station_count": 19
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 6.6,
        "current_avg": 167.7,
        "previous_avg": 161.1,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 7.1,
        "current_avg": 168.0,
        "previous_avg": 160.9,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 5.9,
        "current_avg": 168.0,
        "previous_avg": 162.1,
        "station_count": 172,
        "comparison_station_count": 168
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 4.6,
        "current_avg": 168.1,
        "previous_avg": 163.5,
        "station_count": 513,
        "comparison_station_count": 509
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 6.1,
        "current_avg": 168.3,
        "previous_avg": 162.1,
        "station_count": 48,
        "comparison_station_count": 47
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 5.9,
        "current_avg": 168.4,
        "previous_avg": 162.5,
        "station_count": 311,
        "comparison_station_count": 311
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 5.6,
        "current_avg": 168.9,
        "previous_avg": 163.3,
        "station_count": 46,
        "comparison_station_count": 46
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 4.7,
        "current_avg": 169.0,
        "previous_avg": 164.3,
        "station_count": 168,
        "comparison_station_count": 168
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.6,
        "current_avg": 169.4,
        "previous_avg": 163.8,
        "station_count": 298,
        "comparison_station_count": 297
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 4.5,
        "current_avg": 170.2,
        "previous_avg": 165.7,
        "station_count": 1458,
        "comparison_station_count": 1458
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 4.9,
        "current_avg": 171.0,
        "previous_avg": 166.1,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 6.4,
        "current_avg": 171.1,
        "previous_avg": 164.7,
        "station_count": 157,
        "comparison_station_count": 157
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 7.5,
        "current_avg": 171.1,
        "previous_avg": 163.6,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 4.5,
        "current_avg": 172.2,
        "previous_avg": 167.8,
        "station_count": 1101,
        "comparison_station_count": 1099
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 5.7,
        "current_avg": 172.5,
        "previous_avg": 166.8,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.0,
        "current_avg": 172.8,
        "previous_avg": 169.8,
        "station_count": 918,
        "comparison_station_count": 918
      }
    ],
    "premium_diesel": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 5.3,
        "current_avg": 188.5,
        "previous_avg": 183.2,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 6.8,
        "current_avg": 189.8,
        "previous_avg": 183.0,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 4.6,
        "current_avg": 190.2,
        "previous_avg": 185.6,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 4.2,
        "current_avg": 198.6,
        "previous_avg": 194.4,
        "station_count": 91,
        "comparison_station_count": 91
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.2,
        "current_avg": 199.5,
        "previous_avg": 197.3,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 5.1,
        "current_avg": 200.2,
        "previous_avg": 195.1,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.3,
        "current_avg": 200.7,
        "previous_avg": 195.4,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 4.5,
        "current_avg": 202.4,
        "previous_avg": 197.9,
        "station_count": 76,
        "comparison_station_count": 76
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 4.5,
        "current_avg": 202.7,
        "previous_avg": 198.3,
        "station_count": 295,
        "comparison_station_count": 294
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 4.4,
        "current_avg": 203.6,
        "previous_avg": 199.2,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 7.3,
        "current_avg": 204.2,
        "previous_avg": 196.9,
        "station_count": 163,
        "comparison_station_count": 163
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.6,
        "current_avg": 205.0,
        "previous_avg": 200.4,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 6.0,
        "current_avg": 208.3,
        "previous_avg": 202.3,
        "station_count": 133,
        "comparison_station_count": 133
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 7.1,
        "current_avg": 208.6,
        "previous_avg": 201.5,
        "station_count": 1165,
        "comparison_station_count": 1163
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 5.8,
        "current_avg": 212.0,
        "previous_avg": 206.2,
        "station_count": 1005,
        "comparison_station_count": 1004
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 6.9,
        "current_avg": 212.5,
        "previous_avg": 205.6,
        "station_count": 81,
        "comparison_station_count": 81
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.8,
        "current_avg": 216.3,
        "previous_avg": 212.5,
        "station_count": 870,
        "comparison_station_count": 870
      }
    ],
    "premium_petrol": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 2.4,
        "current_avg": 169.9,
        "previous_avg": 167.5,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 5.6,
        "current_avg": 170.4,
        "previous_avg": 164.8,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 7.5,
        "current_avg": 172.0,
        "previous_avg": 164.3,
        "station_count": 54,
        "comparison_station_count": 53
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 3.5,
        "current_avg": 172.8,
        "previous_avg": 169.3,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 5.0,
        "current_avg": 173.1,
        "previous_avg": 168.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.1,
        "current_avg": 175.4,
        "previous_avg": 173.3,
        "station_count": 464,
        "comparison_station_count": 464
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 5.5,
        "current_avg": 176.3,
        "previous_avg": 170.8,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.0,
        "current_avg": 177.3,
        "previous_avg": 172.3,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 4.2,
        "current_avg": 178.8,
        "previous_avg": 174.6,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 6.6,
        "current_avg": 179.7,
        "previous_avg": 173.1,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 4.8,
        "current_avg": 181.7,
        "previous_avg": 176.7,
        "station_count": 80,
        "comparison_station_count": 78
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.6,
        "current_avg": 181.9,
        "previous_avg": 179.3,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.4,
        "current_avg": 183.5,
        "previous_avg": 178.1,
        "station_count": 159,
        "comparison_station_count": 159
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 3.7,
        "current_avg": 183.6,
        "previous_avg": 179.9,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 4.8,
        "current_avg": 183.8,
        "previous_avg": 179.0,
        "station_count": 398,
        "comparison_station_count": 395
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.6,
        "current_avg": 184.7,
        "previous_avg": 180.1,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 6.6,
        "current_avg": 184.7,
        "previous_avg": 178.1,
        "station_count": 244,
        "comparison_station_count": 244
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 9.9,
        "current_avg": 186.5,
        "previous_avg": 176.6,
        "station_count": 339,
        "comparison_station_count": 339
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 6.1,
        "current_avg": 187.7,
        "previous_avg": 181.6,
        "station_count": 140,
        "comparison_station_count": 140
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 6.5,
        "current_avg": 188.2,
        "previous_avg": 181.7,
        "station_count": 1357,
        "comparison_station_count": 1357
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 8.4,
        "current_avg": 188.8,
        "previous_avg": 180.4,
        "station_count": 19,
        "comparison_station_count": 19
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 5.3,
        "current_avg": 190.7,
        "previous_avg": 185.4,
        "station_count": 1048,
        "comparison_station_count": 1046
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 6.5,
        "current_avg": 190.8,
        "previous_avg": 184.3,
        "station_count": 136,
        "comparison_station_count": 136
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.3,
        "current_avg": 195.5,
        "previous_avg": 192.2,
        "station_count": 911,
        "comparison_station_count": 911
      }
    ]
  },
  "source_updated_at": "2026-09-13T22:59:59+00:00",
  "methodology_version": "1.0-historical",
  "active_station_count": 8147,
  "supermarket_comparison": {
    "diesel": {
      "saving": 3.8,
      "other_avg": 192.1,
      "supermarket_avg": 188.3,
      "tank_saving_gbp": 2.09,
      "comparison_station_count": 6455,
      "supermarket_station_count": 1619
    },
    "petrol": {
      "saving": 3.7,
      "other_avg": 170.1,
      "supermarket_avg": 166.4,
      "tank_saving_gbp": 2.04,
      "comparison_station_count": 6328,
      "supermarket_station_count": 1619
    },
    "premium_diesel": {
      "saving": 8.5,
      "other_avg": 209.5,
      "supermarket_avg": 201.0,
      "tank_saving_gbp": 4.67,
      "comparison_station_count": 4120,
      "supermarket_station_count": 150
    },
    "premium_petrol": {
      "saving": 8.0,
      "other_avg": 188.1,
      "supermarket_avg": 180.1,
      "tank_saving_gbp": 4.4,
      "comparison_station_count": 5122,
      "supermarket_station_count": 1209
    }
  },
  "historical_station_universe_count": 8211
}