Which files can you download?
2,863 postcode districts with hot-night counts, 365 planning authorities, and 8,389 model families with a manufacturer-declared outdoor LwA are in three CSV files (built 25 Sep 2026).
computed
Files
Each file is the build used by the pages, not a live feed.
| File | Rows | What it is |
|---|---|---|
| /data/district-heat.csv | 2,863 | Hot nights at or above 18°C and 20°C, ERA5 |
| /data/authorities.csv | 365 | Planning authorities and the nation rule card |
| /data/models-lwa.csv | 8,389 | Published families with outdoor LwA |
Licences, as the sources state them
ERA5. Licence to use Copernicus Products, paragraph 4.2: “Access to Copernicus Products is given for any purpose in so far as it is lawful, whereas use may include, but is not limited to: reproduction; distribution; communication to the public; adaptation, modification and combination with other data and information; or any combination of the foregoing.” Attribution line from the same licence, paragraph 5.1.2: “Contains modified Copernicus Climate Change Service information 2026”.
Postcode geography. Open Government Licence v3.0: “exploit the Information commercially and non-commercially for example, by combining it with other Information, or by including it in your own product or application.” Also: Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains public sector information licensed under the Open Government Licence v3.0.
planning.data.gov.uk conservation areas, Article 4 areas, listed buildings and local authorities, from this project’s source notes: “Licensed under the Open Government Licence v.3.0”.
EPREL. Commission Decision of 12 December 2011 on the reuse of Commission documents (2011/833/EU). Article 6(1): “Documents shall be made available for reuse without application unless otherwise specified and without restrictions or, where appropriate, an open licence or disclaimer setting out conditions explaining the rights of reusers.” Sound power and SEER in the model file are manufacturer-declared. Brand names stay the manufacturers’.
Next pages
ERA5 via the project heat build; ONS postcode geography; planning.data.gov.uk; EPREL · 25 Sep 2026 · n=2863 districts, 8389 LwA rows · Columns copied from data/build without new estimates. Licences quoted above. · updated 25 Sep 2026 · version 1.0.0 · CSV of the values on this page
Source detail
https://cds.climate.copernicus.eu/licences/licence-to-use-copernicus-products