Directory

This CSV file provides a lookup of postcodes in the United Kingdom as at February 2024 to the new Westminster Parliamentary Constituencies that became operable on the 4th July 2024. (File size...

This file contains the digital vector boundaries for Countries in the UK, as at 31 December 2017. The boundaries are ultra generalised (500m) - clipped to the coastline (Mean High Water mark)....

This document is the Standard Area Measurements (2022) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...

This document is the Standard Area Measurements (2023) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...

This file contains the digital vector boundaries for Combined Authorities, in England, as at May 2025.The boundaries available are: (BUC) Ultra generalised (500m) - clipped to the coastline (Mean...

This file contains the digital vector boundaries for Westminster Parliamentary Constituencies, in the United Kingdom, as at 4th July 2024.The boundaries available are: (BFC) Full resolution -...

This Word document contains the updates to the field names in the ONS Postcode Directory and the National Statistics Postcode Lookup to the standard field names used in geospatial.

This document is the Standard Area Measurements (2025) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at August 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch 120...

This document is the Standard Area Measurements (2024) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at August 2025 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs so that...

This CSV file contains the Standard Area Measurements (SAM) for the Local Administrative Units level 1 in the United Kingdom as at 1st January 2025. All measurements provided are ‘flat’ as they do...

This CSV file contains the Standard Area Measurements (SAM) for the International Territorial Level 3 in the United Kingdom as at 1st January 2025. All measurements provided are ‘flat’ as they do...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at February 2024 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs so that...

This file is a 'best fit' lookup file of 2021 LSOA to Westminster Parliamentary Constituencies (July 2024) to Local Authority Districts in England and Wales - (File Size - 2.8 MB) Field Names -...

Rural Urban Classification of 2024 Westminster Parliamentary ConstituenciesThe 2021 RUC is a statistical classification to provide a consistent and standardised method for classifying geographies...

This file contains the digital vector boundaries for National Parks, in Great Britain, as at December 2022.The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline (Mean...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at November 2024. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at November 2024 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs so that...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at February 2023. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch...