{
  "query": {
    "country": "GB",
    "fuel": "diesel"
  },
  "status": "ok",
  "price": {
    "currency": "GBP",
    "unit": "per litre",
    "value": 2.0004,
    "measure": "average",
    "median": null,
    "typical_low": null,
    "typical_high": null,
    "min": null,
    "max": null
  },
  "sample_size": null,
  "period": {
    "from": "2026-10-12",
    "to": "2026-10-12"
  },
  "confidence": "high",
  "price_type": "official_statistic",
  "statistic": {
    "measure": "average",
    "reference_period": "2026-10-12"
  },
  "as_of": "2026-10-14T21:15:29.547Z",
  "source": {
    "id": "gb-desnz-fuel",
    "name": "Weekly road fuel prices",
    "publisher": "Department for Energy Security and Net Zero (DESNZ), United Kingdom",
    "licence": "Open Government Licence v3.0. The gov.uk page states: \"All content is available under the Open Government Licence v3.0, except where otherwise stated\". © Crown copyright",
    "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
    "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: Department for Energy Security and Net Zero, Weekly road fuel prices. The price is converted from pence to pounds per litre and the change on the previous week and a year earlier is calculated by ProofPrice.",
    "url": "https://www.gov.uk/government/statistics/weekly-road-fuel-prices"
  },
  "method": "The Department for Energy Security and Net Zero publishes every week the average UK retail (pump) price of unleaded petrol (ULSP) and diesel (ULSD) in pence per litre. ProofPrice returns the published national figure for the newest week it holds, converted to pounds per litre, with the change on the previous week and on a year earlier calculated from DESNZ's own weekly table. No range is calculated and DESNZ gives no number of stations.",
  "method_url": "https://proofprice.com/method",
  "summary": "The average UK pump price of diesel (ULSD) was 200.04 pence per litre (£2.0004) in DESNZ's weekly road fuel prices for the week dated 12 October 2026, 0.3% higher than the previous week (5 October 2026) and 39.9% higher than a year earlier (13 October 2025). Official average published by Department for Energy Security and Net Zero (DESNZ), United Kingdom for 2026-10-12.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "fuel": "diesel",
    "product": "diesel (ULSD)",
    "scope": "UK national average (one figure for the whole United Kingdom; no area, town or postcode figures)",
    "week_dated": "2026-10-12",
    "price_pence_per_litre": 200.04,
    "price_gbp_per_litre": 2.0004,
    "change_on_previous_week": {
      "date": "2026-10-05",
      "price_gbp_per_litre": 1.9952,
      "price_pence_per_litre": 199.52,
      "change_percent": 0.3,
      "change_pence_per_litre": 0.52
    },
    "change_on_year_earlier": {
      "date": "2025-10-13",
      "price_gbp_per_litre": 1.4299,
      "price_pence_per_litre": 142.99,
      "change_percent": 39.9,
      "change_pence_per_litre": 57.05
    },
    "fuel_duty_pence_per_litre": 52.95,
    "vat_percent": 20,
    "petrol95_price_pence_per_litre": 175.28,
    "data_age_days": 3,
    "source_file": "DESNZ weekly road fuel prices, CSV 2018 to now (gov.uk)"
  },
  "answer_id": "ans_b152a2f1bb5fa25b85be",
  "method_version": "1",
  "retrieved_at": "2026-10-14T21:15:29.547Z",
  "evidence": {
    "type": "official_statistic",
    "label": "Official published average",
    "meaning": "One average or median that a statistics office or regulator publishes for a reference period: it describes a group, not a distribution, and says nothing about any single price."
  }
}