SW1A postcode area · Westminster

The SW1A postcode district spans 3 neighbourhoods (MSOAs) in Wandsworth, Westminster. Area Scores range from 41 to 79 across them. Every full SW1A postcode falls within one of the neighbourhoods below.

In summary

The strongest of the SW1A district's neighbourhoods is Nine Elms (79 out of 100, #1,424 of 6,856 in England) and the weakest Central Westminster (41). 1 of the 3 rank in the least-deprived third of England; none falls in the most-deprived third. Median prices range from £869,250 in Nine Elms to £1,402,000 in Strand, St James & Mayfair. Note that the district straddles 2 local authorities — Wandsworth and Westminster — so its neighbourhoods answer to different councils.

Living here

Typical net household income£56,230a year, weighted avg of neighbourhood estimates

Recorded crime971per 1,000 residents, 12m

Median age (est.)36

Owner-occupied28%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the SW1A district

£1,630,000median home sold over the past year · -34.3% over the year · 11 sales

Detached—

Semi-detached—

Terraced—

Flat£1,515,000

Westminster£855,000

London£525,512

England£300,000

Annual median price, all homes. Small samples can be volatile.

Area Score:more deprivedless deprivedTap a neighbourhood to open it →

Neighbourhood	Nat. rank	Area score	Median price
Nine ElmsWandsworth	1,424	79	£869,250
Strand, St James & MayfairWestminster	3,624	47	£1,402,000
Central WestminsterWestminster	4,022	41	£893,500

People living in SW1A Census 2021

Residents22,191

Median age (est.)36

Density4,429per km²

No qualifications8%

Degree or above65%

No car or van72%

Age

0–14 10%15–24 15%25–44 43%45–64 21%65+ 10%

Tenure

Own outright 15%Mortgage/shared 13%Social rent 21%Private rent 51%

Households

One person 47%Couple, no children 20%Couple with children 10%Lone parent 7%Other 15%

Work (top occupations)

Professional 33% · Managers & directors 25% · Associate professional 19%

All occupation groups

Professional	33%
Managers & directors	25%
Associate professional	19%
Administrative	6%
Caring & leisure	5%
Elementary	4%
Sales & customer service	4%
Skilled trades	3%
Process & plant	1%

Ethnic group

White 61%Asian 17%Black 7%Mixed 6%Other 8%

Religion & identity

Christian 40% · No religion 34% · Muslim 11%

Born outside the UK: 56%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Nearby areas

Postcode districts around SW1A.

SW1Y SW1H SW1V SW1X SW1W SW1P W1D W1V

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.