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Standard Area Measurements (2023) User Guide

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,...

National Statistics UPRN Lookup (October 2025) (Epoch 121) User Guide

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS UPRN Directory (November 2025) (Epoch 122) User Guide

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS UPRN Directory (October 2025) (Epoch 121) User Guide

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS UPRN Directory (August 2025) (Epoch 120) User Guide

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS Postcode Directory (November 2025) User Guide

This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics UPRN Lookup (August 2025) (Epoch 120) User Guide

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics Postcode Lookup (August 2025) User Guide

This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics UPRN Lookup (November 2025) (Epoch 122) User Guide

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics Postcode Lookup (November 2025) User Guide

This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics UPRN Lookup (December 2025) (Epoch 123) User Guide

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS UPRN Directory (December 2025) (Epoch 123) User Guide

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

National Statistics Postcode Lookup (February 2026) User Guide

This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

ONS Postcode Directory (February 2026) User Guide

This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

Local Authority Districts (May 2024) Boundaries EW BUC and Rural Urban Classification

This file contains the digital vector boundaries for Local Authority Districts in England and Wales as at May 2024.It is joined to the Rural Urban Classification data 2021.The Rural-Urban...

Lower layer Super Output Areas (December 2021) Boundaries EW BSC (V4) and Rural Urban Classification

 This file contains the digital vector boundaries for Lower layer Super Output Areas in England and Wales, as at 21 March 2021.It is joined to the Rural Urban Classification data 2021.The...

Output Areas (December 2021) Boundaries EW BGC (V2) and Rural Urban Classification

  This file contains the digital vector boundaries for Output Areas in England and Wales 2021.It is joined to the Rural Urban Classification data 2021.The Rural-Urban Classification is a...

Countries (December 2023) Boundaries UK BUC

This file contains the digital vector boundaries for Countries, in the United Kingdom, as at December 2023.The boundaries available are: (BUC) Ultra generalised (500m) - clipped to the coastline...

Counties (December 2023) Boundaries EN BSC

This file contains the digital vector boundaries for Counties, in England, as at December 2023.The boundaries available are: (BSC) Super Generalised (200m) - clipped to the coastline (Mean High...

Local Authority Districts (December 2019) Names and Codes in the UK

This file contains the names and codes for local authority districts (LAD) and unitary authorities (UA) in the United Kingdom as at 31st December 2019 (File Size - 48KB) Field Names - LAD19CD,...