a large user postcode in Westminster

SW1A 2AA Location Map


Latitude: 51.5035 / 51°30'12"N

Longitude: -0.1277 / 0°7'39"W

OS Eastings: 530047

OS Northings: 179951

OS Grid: TQ300799

Location Encoding

Mapcode National: GBR HH.H6

Mapcode Global: VHGQZ.QGVR

Plus Code: 9C3XGV3C+CW

Maidenhead Locator System: IO91wm40

What Three Birds: dunlin.capercaillie.whitethroat

What are these?

Marker point and cooordinate accuracy: Within the building of the matched address closest to the postcode mean.

Downing Street, London SW1A 2AA


SW1A 2AA is a large user postcode in Westminster. It was first introduced in January 1980.

'Large User' postcodes are allocated to organisations which receive large amounts of post. Unlike standard geographic postcodes, which cover up to 80 addresses, a large user postcode is unique to a single address.

To the best of our knowledge, the current address of this postcode is:
Prime Minister & First Lord of the Treasury, 10 Downing Street, London SW1A 2AA.

The geographic coordinates assigned to a large user postcode may not necessarily be the actual coordinates of the location to which mail is delivered. If the address is a PO Box, then the coordinates will usually be the Royal Mail sorting office which handles mail for that postcode. In other cases, the coordinates of the postcode may be the headquarters, or registered office, of an organisation rather than the building which receives mail.

The average commercial rateable value is £2,970,000. The most common recorded business type is Offices.

In the 2011 census, there were 5 people resident in SW1A 2AA, of which 2 were male and 3 were female. This includes residents of non-domestic properties such as hotels, prisons and halls of residence, which are likely to be the majority in otherwise non-residential postcodes.

SW1A 2AA is in the London travel to work area. NHS services are provided by the Westminster Primary Care Trust.

SW1A 2AA is approximately 19m (62ft) above sea level.

See all rateable values in SW1A 2AA

Office of National Statistics Output Area Classification for the area containing SW1A 2AA

2b2: Cosmopolitans - Inner-City Students - Multicultural Student Neighbourhoods

Office of National Statistics Rural/Urban classification for SW1A 2AA

England A1: within a very large conurbation, surrounded by populated countryside

Healthy Living Index

10/10 (Very high)

Neighbourhood Retail Diversity Index

10/10 (Very high)

Area Retail Diversity Index

10/10 (Very high)

Supermarkets near SW1A 2AA include Asda, Budgens, Co-Operative Food, Costcutter, Iceland, Lidl, Waitrose, Londis, Longdan, M&S Simply Food, Morrisons, Nisa, Sainsbury's and Tesco. (Source: Open Streetmap)

Other nearby postcodes

See all postcodes in City of Westminster

SW1A 2AA at other websites

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Postcode Map

Councils, constituencies and elected representatives

Residents of SW1A 2AA are represented at different levels of local, regional and national government by elected representatives. Where known, these are shown here.

This data is updated approximately monthly, and may not necessarily take account of the results of any elections held recently.

London Borough

Westminster City Council


St James's


Louise Hyams (Conservative)
Timothy Mitchell (Conservative)
Mark Shearer (Conservative)

London Assembly

London Assembly constituency

West Central

Assembly Member

Tony Devenish (Conservative)

The London Assembly also has eleven London-wide members elected via the d'Hondt (party list) system. These are not shown here.

United Kingdom Parliament


Cities of London and Westminster


Nickie Aiken (Conservative)

European Parliament

European Region



Scott Ainslie (Green)
Seb Dance (Labour)
Dinesh Dhamija (Liberal Democrats)
Lance Forman (The Brexit Party)
Ben Habib (The Brexit Party)
Claude Moraes (Labour)
Luisa Porritt (Liberal Democrats)
Irina Von Wiese (Liberal Democrats)

Broadband Internet

Ofcom publishes annual statistics for Broadband availability. This is the most recent data for SW1A 2AA.

Sorry, we don't have any data about broadband Internet here.

Broadband statistics for commercial properties are less reliable than for domestic properties, as businesses are more likely to have other forms of Internet access that are not classified as 'Broadband'.


The most recent Ofsted rankings for schools near SW1A 2AA.

Sorry, we have no current data to display for this area.

Government Statistical Service (GSS) Codes for SW1A 2AA

Super Output Area, Lower Layer
Westminster 018C
Super Output Area, Middle Layer
Westminster 018
Local Authority Ward
St James's
Local Authority
Westminster Parliamentary Constituency
Cities of London and Westminster
European Electoral Region
Primary Care Organisation
Police Force Area
Metropolitan Police
Travel to Work Area
Built-up Area
Greater London
Built-up Area sub-division
City of Westminster
Local Enterprise Partnership
Clinical Commissioning Group
NHS Central London (Westminster) CCG
NHS England Region
Sustainability and Transformation Partnership
North West London
National Cancer Vanguard
National Cancer Vanguard: North West and South West London

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SW1A 2AA is a large user postcode in Westminster. Check typical house prices, council tax bands, business rates, broadband availability and local schools. Find nearby hotels and holiday rentals

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