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  • Mental Health and Learning Disabilities Statistics; Currency and Payment Data

    Publisher
    NHS Digital
    Updated
    8 July 2026
    The Mental Health Minimum Data Set (MHMDS) was renamed Mental Health and Learning Disabilities Data Set (MHLDDS) following an expansion in scope (from September 2014) to include people in contact...
  • ONS Postcode Directory (August 2016) User Guide Version 2

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This updated User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and...
  • Standard Area Measurements - 2016 User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This document is the Standard Area Measurements - 2016 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • Standard Area Measurements - 2015 User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This document is the Standard Area Measurements - 2015 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • Standard Area Measurements (2018) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This document is the Standard Area Measurements (2018) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • Standard Area Measurements (2019) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This document is the Standard Area Measurements (2019) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • Standard Area Measurements (2017) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This document is the Standard Area Measurements (2017) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • ONS Postcode Directory (February 2017) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 Postcode Lookup (May 2017) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 Postcode Lookup (February 2017) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 (August 2017) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 Postcode Lookup (August 2016) User Guide Version 2

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This updated User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and...
  • National Statistics Postcode Lookup (November 2016) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 (November 2016) User Guide

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    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 Postcode Lookup User Guide and Version Notes (May 2016)

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This user guide and version notes contains information about the NSPL including: content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and...
  • Standard Area Measurements (2016) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This document is the Standard Area Measurements - 2016 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • Standard Area Measurements (2015) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 2025
    This document is the Standard Area Measurements - 2015 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
  • ONS Postcode Directory User Guide and Version Notes (May 2016)

    Publisher
    Office for National Statistics
    Updated
    28 April 2018
    This user guide and version notes contains information about the ONS Postcode Directory including: directory content; data currency; the methodology for assigning areas to postcodes; data formats;...
  • National Statistics UPRN Lookup (August 2022) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 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...
  • ONS UPRN Directory (August 2022) User Guide

    Publisher
    Office for National Statistics
    Updated
    11 August 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...