{
  "built": "2026-11-07",
  "source": "https://www.scottishepcregister.org.uk/CustomerFacingPortal/DataExtract",
  "publication_note": "EPC Data - Q3 2026 Extract - EPD Publication Note - Domestic Buildings.pdf",
  "period": "October 2016\u2013September 2026",
  "extracted": "2026-10-21",
  "source_files": [
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      "file": "Q1 2017.csv",
      "bytes": 65058689
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    {
      "file": "Q1 2018.csv",
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    {
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    {
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    {
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    {
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    {
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    {
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    {
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    {
      "file": "Q2 2025.csv",
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    {
      "file": "Q2 2026.csv",
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    {
      "file": "Q3 2017.csv",
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    {
      "file": "Q3 2018.csv",
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    {
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      "bytes": 90535210
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    {
      "file": "Q3 2024.csv",
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    {
      "file": "Q3 2025.csv",
      "bytes": 68575617
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    {
      "file": "Q3 2026.csv",
      "bytes": 78016023
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    {
      "file": "Q4 2016.csv",
      "bytes": 49096864
    },
    {
      "file": "Q4 2017.csv",
      "bytes": 45403410
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    {
      "file": "Q4 2018.csv",
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    {
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    {
      "file": "Q4 2020.csv",
      "bytes": 60086209
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    {
      "file": "Q4 2021.csv",
      "bytes": 61385402
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    {
      "file": "Q4 2022.csv",
      "bytes": 62927154
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    {
      "file": "Q4 2023.csv",
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    {
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    {
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  ],
  "certificate_rows": 158249,
  "dwelling_types": {
    "Flat": 113946,
    "House": 34990,
    "Bungalow": 5596,
    "Maisonette": 3704,
    "Park home": 13
  },
  "street_summaries": 4677,
  "postcode_summaries": 8442,
  "method": "All published dwelling types, no preference for flats; at least 5 certificates per summary. Median numerical energy-efficiency score mapped to EPC band. Band-C-or-better share uses published rating bands. Median floor area and modal known construction-age band. Same postcode-to-street matching as the existing one-stop engine. No certificate, address, identifier or EPC postcode lookup redistributed. The publisher excludes superseded/not-for-issue records; observations can be old and are not a census of all homes.",
  "licence": "Non-address fields OGL v3.0. Address/postcode fields subject to separate Royal Mail terms; postcodes used only internally to aggregate energy information, not redistributed from EPC source."
}