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- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
The Water Framework Directive (WFD) required Northern
Ireland to define both surface and groundwaters as a coherent set of
hydrological units. These units would
then be monitored and...
- Published by:
- OpenDataNI
- Last updated:
- 21 July 2025
The Water Framework Directive (WFD) required Northern
Ireland to define both surface and groundwaters as a coherent set of
hydrological units. These units would
then be monitored and...
- Published by:
- Office for National Statistics
- Last updated:
- 15 September 2025
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,...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 23 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 23 December 2025
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...
- Published by:
- Office for National Statistics
- Last updated:
- 11 March 2026
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...
- Published by:
- Office for National Statistics
- Last updated:
- 11 March 2026
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...
- Published by:
- Office for National Statistics
- Last updated:
- 24 June 2026
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...
- Published by:
- OpenDataNI
- Last updated:
- 23 July 2026
The Water Framework Directive (WFD) required Northern
Ireland to define both surface and groundwaters as a coherent set of
hydrological units. These units would
then be monitored and...
- Published by:
- OpenDataNI
- Last updated:
- 23 July 2026
A set of Q&As to accompany the Mercury Potential Report and associated feature layer and dataset. The aim of this is to attempt to answer some of the most common or likely queries or concerns...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This zip file contains the Code History Database for the United Kingdom as at December 2017. To download the zip file click the Download button. The Code History Database (CHD) contains...
- Published by:
- Office for National Statistics
- Last updated:
- 28 October 2025
This file contains the digital vector boundaries for County Electoral Division, in England, as at May 2025.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this is...