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Register of Geographic Codes (June 2021) for the UK

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 the...

Register of Geographic Codes (December 2024) for the UK

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 the...

Register of Geographic Codes (December 2021) for the UK

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 the...

ONS Postcode Directory (May 2016) for the UK

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at May 2016 in Comma Separated Variable (CSV) format. To download the zip file click the Download button. The...

NHS Postcode Directory for the UK Full (November 2025)

This file contains the 'Full' NHS Postcode Directory (NHSPD) as at November 2025. The NHSPD relates both current and terminated postcodes in the United Kingdom to a range of current statutory...

NHS Postcode Directory for the UK Full (February 2026)

This file contains the 'Full' NHS Postcode Directory (NHSPD) as at February 2026. The NHSPD relates both current and terminated postcodes in the United Kingdom to a range of current statutory...

National Statistics UPRN Lookup (September 2019) User Guide

This is the User Guide for the National Statistics UPRN Lookup (NSUL) for Great Britain as at September 2019. The NSUL relates the Unique Property Reference Number (UPRN) for each GB address to a...

Register of Geographic Codes (June 2020) for the UK (V2)

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 the...

Register of Geographic Codes (December 2019) for the UK

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 the...

ONS UPRN Directory (August 2025) (Epoch 120)

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...

ONS UPRN Directory (October 2025) (Epoch 121)

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at October 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch 121...

ONS UPRN Directory (November 2025) (Epoch 122)

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

ONS UPRN Directory (December 2025) (Epoch 123)

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

National Statistics Postcode Lookup (February 2026) for the UK

This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at February 2026 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip file...

National Statistics Postcode Lookup (February 2026) for the UK (Hosted Table)

This is the National Statistics Postcode Lookup (NSPL) 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...

Register of Geographic Codes (September 2020) for the UK

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 the...

Code History Database (September 2017) for the UK

This zip file contains the Code History Database for the United Kingdom as at September 2017. To download the zip file click the Download button. The Code History Database (CHD) contains...

Ballinderry River MiniDOT Metrics View

The field probe has been deployed by NIEA’s Freshwater Monitoring and Assessment team as part of a long term, high frequency water quality monitoring project.  It records Dissolved Oxygen...

Probes

The field probe has been deployed by NIEA’s Freshwater Monitoring and Assessment team as part of a long term, high frequency water quality monitoring project.  It records Dissolved Oxygen...

Probe Metrics

The field probe has been deployed by NIEA’s Freshwater Monitoring and Assessment team as part of a long term, high frequency water quality monitoring project.  It records Dissolved Oxygen...