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Public-images-osm logo.svg ref:gss
UK government geometry identifier for legally defined geographic areas Edit this description in the wiki page. Edit this description in the data item.
Group: references
Used on these elements
should not be used on nodesshould not be used on waysshould not be used on areasmay be used on relations
Useful combination

relation  administrative full, browse, check, manage, osmose

Status: imported

The UK's  Government_Statistical_Service is the community of all civil servants who work in the collection, production and communication of UK official statistics.[1] It includes not only statisticians, but also economists, social researchers, IT professionals, and secretarial and clerical staff. Members of the GSS work in the Office for National Statistics, most UK Government departments, and the devolved administrations.

Each governmental subdivision of England and Wales, and higher-level subdivisions of Scotland and Northern Ireland, is assigned a code by the GSS.

The code is related to the geometry, not to the administrative entity. If a boundary is changed (often through primary or secondary legislation) then a new code is assigned. A change that does not effect the geometry, for example a name change, does not normally cause a new code to be assigned.

The first character indicates the nation: E, W, S, or N. Together with the second and third characters it indicates the type of the area indicated: for example E04 is for Civil Parishes in England and E07 indicates a Non-Metropolitan District in England. The initial letters J, K, L and M are used for a small number of special codes.

The current list of Entities is as follows:

List of GSS Entity Codes (December 2019)
Entity code Entity name Typical OSM Tagging
E00 Output Areas
E01 Super Output Areas, Lower Layer
E02 Super Output Areas, Middle Layer
E04 Civil Parishes boundary=administrative + admin_level=10 + designation=civil_parish
E05 Electoral Wards/Divisions boundary=political + political_division=ward
E06 Unitary Authorities boundary=administrative + admin_level=6 + designation=unitary_authority
E07 Non-metropolitan Districts boundary=administrative + admin_level=8 + designation=non_metropolitan_district
E08 Metropolitan Districts boundary=administrative + admin_level=8 + designation=metropolitan_district
E09 London Boroughs boundary=administrative + admin_level=8 + designation=london_borough
E10 Counties boundary=administrative + admin_level=6 + designation=non_metropolitan_county
E11 Metropolitan Counties boundary=administrative + admin_level=6 + designation=metropolitan_county
E12 Regions
E13 Inner and Outer London
E14 Westminster Parliamentary Constituencies boundary=political + political_division=parl_const
E15 European Electoral Regions
E16 Primary Care Trusts
E17 Care Trusts
E18 Strategic Health Authorities
E19 Pan Strategic Health Authorities
E20 Cancer Registries
E21 Cancer Networks
E22 Community Safety Partnerships
E23 Police Force Areas boundary=police
E24 Local Learning and Skills Council areas
E25 Primary Urban Areas
E26 National Parks boundary=national_park
E27 New Deal for Communities
E28 Registration Districts
E29 Registration Sub-district
E30 Travel to Work Areas
E31 Fire and Rescue Authorities boundary=fire
E32 London Assembly Constituencies
E33 Workplace Zones
E34 Built-up Areas
E35 Built-up Area sub-divisions
E36 Census Merged Wards
E37 Local Enterprise Partnerships
E38 Clinical Commissioning Groups
E39 NHS England (Region, Local Office)
E40 NHS England Regions
E41 Census Merged Local Authority Districts
E42 Census Merged Counties
E43 Non-Civil Parished Areas boundary=administrative + admin_level=10 + designation=unparished&area
E45 Public Health England Centres
E46 Public Health England Regions
E47 Combined Authorities
E48 Local Resilience Forums
E49 Enterprise Zones
E50 Waste Authorities
E51 Development Corporations
E52 LEP - overlapping part
E53 LEP - non overlapping part
E54 Sustainability and Transformation Partnerships
E55 Strategic Clinical Networks
E56 Cancer Alliances
E57 National Cancer Vanguards
E58 County Electoral Divisions
E59 Integrated Care Systems
E60 Local Planning Authorities
E61 Greater London Authority
E92 Country boundary=administrative + admin_level=4 (only for England)
J01 Major Towns and Cities
J02 1961 Census Parishes
J03 1961 Census Wards
J04 1961 Census Districts
J05 1961 Census Counties
K01 Travel to Work Areas
K02 United Kingdom boundary=administrative + admin_level=2
K03 Great Britain
K04 England and Wales
K05 Built Up Areas
K06 Built Up Area sub divisions
L00 Strategic Health Authorities
L93 British Crown Dependencies
M00 Strategic Health Authorities
M01 Primary Healthcare Directorate
M83 British Crown Dependency
N00 Small Areas
N06 Westminster Parliamentary Constituencies
N07 European Electoral Regions
N08 Electoral Wards
N09 Local Government Districts
N10 District Electoral Areas
N11 Settlement 2015
N12 Travel to Work Areas
N13 Local Planning Authorities
N19 Workplace Zones
N23 Police Force Areas
N24 Police Force Districts
N31 Northern Ireland Fire and Rescue Service boundary=fire
N32 Northern Ireland Fire and Rescue Service Areas
N33 Northern Ireland Fire and Rescue Service Districts
N92 Country boundary=administrative + admin_level=4 (only for Northern Ireland)
S00 Output Areas
S01 Data Zones
S02 Intermediate Zones
S03 Community Health Partnerships
S04 Regeneration Outcome Agreement Areas - Scotland
S05 Regeneration Outcome Areas - Community Planning Partnerships
S06 Regeneration Outcome Areas - Local Areas
S07 Regional Transport Partnerships
S08 Health Board areas
S09 Enterprise Regions
S10 Urban Regeneration Companies
S11 Strategic Development Plan Areas
S12 Council Areas boundary=administrative + admin_level=6 + designation=scottish_council
S13 Electoral Wards
S14 Westminster Parliamentary Constituencies
S15 European Electoral Regions
S16 Scottish Parliamentary Constituencies
S17 Scottish Parliamentary Regions
S19 Localities
S20 Settlements
S21 National Parks
S22 Travel to Work Areas
S23 Police Force Areas
S24 Highlands and Islands Enterprise
S25 Community Justice Authorities
S26 Community Health Partnerships sub-areas
S27 ISD Health Board of Treatment
S28 Census Detailed Characteristics
S29 Census Local Characteristics
S30 Local Administrative Units 1
S31 Local Administrative Units 2
S32 Scottish Police Divisions
S33 Broad Rental Market Areas
S34 Workplace Zones
S35 Civil Parish
S36 Island Groups
S37 Integration Authorities
S38 Scottish Fire and Rescue Service boundary=fire
S39 Scottish Fire and Rescue Local Senior Officer Areas
S40 Scottish Fire and Rescue Service Delivery Areas
S41 Scottish Marine Regions
S42 Scottish Local Resilience Partnerships
S43 Scottish Regional Resilience Partnerships
S44 Local Planning Authorities
S92 Country boundary=administrative + admin_level=4 (only for Scotland)
W00 Output Areas
W01 Super Output Areas, Lower Layer
W02 Super Output Areas, Middle Layer
W03 Super Output Areas, Upper Layer
W04 Communities boundary=administrative + admin_level=10 + designation=community
W05 Electoral Wards
W06 Unitary Authorities boundary=administrative + admin_level=6 + designation=principal_area
W07 Westminster Parliamentary Constituencies
W08 European Electoral Regions
W09 National Assembly for Wales Constituencies
W10 National Assembly for Wales Electoral Regions
W11 Local Health Boards
W12 Cancer Registries
W13 Cancer Networks
W14 Community Safety Partnerships
W15 Police Force Areas boundary=police
W16 Department for Children, Education, Lifelong Learning and Skills, WG
W18 National Parks boundary=national_park
W19 National Assembly Economic Regions
W20 Registration Districts
W21 Registration Sub-district
W22 Travel to Work Areas
W23 Spatial Plan Areas
W24 Spatial Plan Sub-areas
W25 Fire and Rescue Authorities boundary=fire
W26 Strategic Regeneration Areas
W27 Strategic Regeneration Sub-areas
W28 Transport Consortia Areas
W29 Agricultural Regions
W30 Agricultural Small Areas
W31 Non-National Park Area
W32 Non-Strategic Regeneration Area
W33 Communities First Areas
W34 Non-Communities First Areas
W35 Workplace Zones
W36 Footprint Regions for Public Service Collaboration
W37 Built-up Areas
W38 Built-up Area sub-divisions
W39 Census Merged Wards
W40 Census Merged Local Authority Districts
W41 Local Resilience Forums
W42 City Regions
W43 Local Planning Authorities
W92 Country boundary=administrative + admin_level=4 (only for Wales)

The current list (and earlier versions) is available from the ONS Open Geography Portal: