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- 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:
- OpenDataNI
- Last updated:
- 18 June 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:
- OpenDataNI
- Last updated:
- 18 June 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:
- 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:
- 11 December 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 17 April 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 05 June 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 20 December 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 15 August 2022
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 21 March 2022
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 07 August 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 04 December 2021
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 21 July 2025
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
- Published by:
- OpenDataNI
- Last updated:
- 18 June 2026
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
