SW1Y postcode area · Westminster
The SW1Y postcode district spans 3 neighbourhoods (MSOAs) in Wandsworth, Westminster. Area Scores range from 41 to 79 across them. Every full SW1Y postcode falls within one of the neighbourhoods below.
In summary
The strongest of the SW1Y 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
Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.
| 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 SW1Y Census 2021
Age
Tenure
Households
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
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 SW1Y.
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.