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  • National Statistics Postcode Lookup - 2021 Census (November 2024) for the UK

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at November 2024 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip...
  • Postcode to OA (2021) to LSOA to MSOA to LAD (November 2023) Best Fit Lookup in the UK

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts (LAD). Postcodes are...
  • Postcode to OA (2021) to LSOA to MSOA to LAD (August 2023) Best Fit Lookup in the UK

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts (LAD). Postcodes are...
  • Postcode to OA (2021) to LSOA to MSOA to LAD (November 2022) Best Fit Lookup in the UK

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local authority districts (LAD) as at...
  • Postcode to OA (2011) to LSOA to MSOA to LAD (May 2022) Best Fit Lookup in the UK

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local authority districts (LAD)...
  • Special Protection Areas (SPAs) bird data assemblages

    Publisher
    Joint Nature Conservation Committee
    Updated
    14 April 2026
    This dataset contains details for each and every bird assemblage on every Special Protection Area (SPA). Special Protection Areas (SPAs) are strictly protected sites classified in accordance with...
  • River Water Quality Monitoring 1990 to 2024 Soluble Reactive Phosphorus

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • RiverWaterQualityMonitoring 1990to2024 DissolvedOxygen

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • RiverWaterQualityMonitoring 1990to2024 Phosphorus SRP

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • River Basin Districts

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    Northern Ireland River Basin District's (RBD)'s defined for the implementation of the Water Framework 2nd cycle. Each RBD contains all waterbodies within a specific region, both land and sea. The...
  • River Water Quality Monitoring 1990 to 2024 - Dissolved Oxygen

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • River Water Quality Monitoring 1990 to 2024 - Soluble Reactive Phosphorus

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • Agricultural Critical Risk Areas

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...
  • Probes

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    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...
  • Blackwater River MiniDOT Metrics View

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    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...
  • Priority Habitats - Fens

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    About this layerThis data represents NIEA surveys and may not represent the entire extent of habitat or species across Northern Ireland.The Fen, swamp and flush Inventory incorporates evidence...
  • Probe Metrics

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    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...
  • Pontbren land use manipulation plot data

    Publisher
    Environmental Information Data Centre
    Updated
    30 July 2026
    Overland flow data and soil water tension data at 10cm, 30cm, & 50cm from four manipulation plot sites located across the Pontbren study site in mid-Wales, UK. The manipulation plots were...
  • Subtidal and Intertidal Seagrass Beds

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The subtidal polygons were digitised around survey data in which Zostera marina (subtidal seagrass) beds were identified from dive and towed camera surveys. The boundary was digitised according to...
  • Agricultural Critical Risk Areas

    Publisher
    OpenDataNI
    Updated
    7 August 2021
    The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...