Search directory

Filter by

2,156 results found

Lake Water Bodies

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...

Lake Water Bodies

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...

Lake Water Bodies

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...

Lake Water Bodies

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...

Lake Water Bodies

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...

Lake Water Bodies

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...

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...