Directory

This zip file contains the Code History Database for the United Kingdom as at August 2018. To download the zip file click the Download button. The Code History Database (CHD) contains the GSS...

This file contains the NHS England (Region) (NHSER) names and codes, as at 1 April 2020 in England. (File size - 16KB).Field Names -NHSER20CD, NHSER20CDH, NHSER20NM, FIDField Types - Text, Text,...

A lookup between 2011 Output Areas (OA) and countries as at 31 December 2011 in England and Wales. (File Size 6.3MB).Field Names – OA11CD, CTRY11CD, CTRY11NM, CTRY11NMW Field Types – Text, Text,...

A lookup between Output Areas (OA) and regions as at 31 December 2011 in England. (File Size 6.6MB).Field Names – OA11CD, RGN11CD, RGN11NM Field Types – Text, Text, Text Field Lengths – 9, 9,...

This is a best fit lookup between Output Areas (OA) to local administrative units level 2 (LAU2) as at 31 December 2016 in England and Wales. (File Size - 17 MB)Column Descriptions: OA11CD | Text...

This file is a lookup between Westminster parliamentary constituencies (2010) and the Westminster parliamentary constituencies, operative 4th July 2024 in the United Kingdom. File size - 304...

This is a best fit lookup between 2011 Output Areas (OA) and counties/unitary authorities as at 31 December 2017 in England. (File Size - 18 MB)Field Names - OA11CD, CTYUA17CD, CTYUA17NMField...

This file is a best fit lookup between 2011 lower layer super output areas and county and unitary authorities in England and Wales as at 31 December 2017. (File size - 6MB)Field Names - LSOA11CD,...

A lookup file between unitary authorities and local health boards in Wales as at 31st December 2021. (File Size - 12 KB)Field Names - UA21CD, UA21NM, LHB21CD, LHB21NM, FIDField Types - Text, Text,...

This file is a best fit lookup between 2021 lower layer super output areas and local authority districts in England and Wales as at 1st April 2023 (File Size - 6 MB) Field Names - LSOA21CD,...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at November 2025 in Comma Separated Variable (CSV).  This is a new hosted table so can be accessed via API. The ONSPD relates...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at May 2026 in Comma Separated Variable (CSV).  This is a new hosted table so can be accessed via API. The ONSPD relates both...

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at February 2026 in Comma Separated Variable (CSV).  This is a new hosted table so can be accessed via API. The ONSPD relates...

This file contains the digital vector boundaries for Lower layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BFE) Full resolution - extent of the...

This file contains the digital vector boundaries for Middle layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BGC) Generalised (20m) - clipped to...

This file contains the digital vector boundaries for National Parks in Great Britain, as at 1 August 2016. These were produced as a result of the boundary changes of the Lake District and...

This file contains the digital vector boundaries for National Parks in Great Britain, as at 1 August 2016. These were produced as a result of the boundary changes of the Lake District and...

This file contains the digital vector boundaries for National Parks in Great Britain, as at 1 August 2016. These were produced as a result of the boundary changes of the Lake District and...

This zip file contains the Code History Database for the United Kingdom as at August 2022. To download the zip file click the Download button.File includes updates to:Updates in England to: Output...

The Register of Geographic Codes (RGC) is a key product that contains the definitive list of UK statistical geographies. ONS maintains the definitive set of statistical geographies, coordinates...