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Local Planning Authority to Local Authority District (April 2025) Lookup in the UK
This is a lookup file between local planning authorities and local authority districts in the United Kingdom as at 1st April 2025. (File size - 88 KB). Field Names -... -
Ward to Unitary Authority to Senedd Cymru Constituency (December 2025) Lookup in WA
This is a lookup file between wards and Senedd Cymru constituencies in Wales as at 31st December 2025. (File size - 184KB) Field Names - WD25CD, WD25NM, WD25NMW, UA25CD,... -
Ward to Unitary Authority to Senedd Cymru Electoral Region (December 2025)...
A lookup file of wards to unitary authorities to Senedd Cymru electoral regions in Wales as at 31st December 2025. (File size - 168KB) Field Names - WD25CD, WD25NM,... -
Unitary Authority to Local Health Board (December 2025) Lookup in WA
A lookup file between unitary authorities and local health boards in Wales as at 31st December 2025. (File Size - 16 KB) Field Names - UA25CD, UA25NM, LHB25CD,... -
Local Authority District to Combined Authority (December 2015) Lookup in EN
A lookup between local authority districts and combined authorities in England as at 31 December 2015. (File Size - 3 KB) -
Local Authority District to Combined Authority (December 2016) Lookup in EN
A lookup file between local authority districts (LAD) and combined authorities (CAUTH) in England as at 31 December 2016. (File Size - 2 KB) -
Scottish Parliamentary Constituencies to SPR (May 2016) Lookup in SC
A lookup file between Scottish Parliamentary Constituencies and Scottish Parliamentary Regions in Scotland as at 6 May 2016. (File Size - 4 KB) -
Clinical Commissioning Groups to NHSRG to NHSCR (July 2015) Lookup in EN
A lookup file between clinical commissioning groups (CCGs), NHS Region (Geography) (NHSRGs) and NHS commissioning regions (NHSCRs) in England as at July 2015. (File Size - 25 KB) -
NHS Region (Geography) to NHS Commissioning Region (April 2016) Lookup in EN
A lookup file of NHS Region (Geography) to NHS Commissioning Region in England as at 1 April 2016. (File Size - 1 KB) -
NHS Area Team (2014) to NHS Region (Geography) (April 2015) Lookup in EN
A lookup between the NHS area teams (NHSATs) as at 2014 and NHS Region (Geography) (NHSRGs) as at 30 April 2015 in England. (File Size - 2 KB) -
Clinical Commissioning Groups to NHSRG to NHSCR (April 2016) Lookup in EN
(File Size - 25 KB). This is a lookup file between clinical commissioning groups, NHS Region (Geography) and NHS commissioning regions in England as at 1 April 2016. This... -
Unitary Authority to Local Health Board (August 2016) Lookup in WA
A lookup file between unitary authorities and local health boards in Wales as at August 2016. (File Size - 2 KB) -
Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications (May...
A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA)... -
Postcode to OA (2011) to LSOA to MSOA to LAD (December 2011) Best Fit Lookup in EW
A best-fit lookup between enumeration postcodes, Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts... -
Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications...
A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA)... -
Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications...
A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA)... -
Postcode to OA (2011) to LSOA to MSOA to LAD (February 2019) Best Fit Lookup...
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... -
Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications...
A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA)... -
Postcode to OA (2011) to LSOA to MSOA to LAD (November 2018) Best Fit Lookup...
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... -
Postcode to OA (2011) to LSOA to MSOA to LAD (May 2019) Best Fit Lookup in the UK
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...