SL4 postcode area · Windsor and Maidenhead
The SL4 postcode district spans 14 neighbourhoods (MSOAs) in Bracknell Forest, Buckinghamshire, Runnymede, Slough, Windsor and Maidenhead. Area Scores range from 17 to 97 across them. Every full SL4 postcode falls within one of the neighbourhoods below.
In summary
The SL4 district contains both ends of the scale: Spital & Cranbourne Park at 98 out of 100 (#169 of 6,856 in England) against Chalvey at 18, an 80-point gap between neighbouring areas. It mixes both ends of the national picture — 11 neighbourhoods in the least-deprived third of England and 1 in the most-deprived third. House prices stretch as far as the scores do: medians run from £351,500 in Chalvey to £685,000 in Winkfield & Cranbourne — a 1.9× gap within the SL4 district. Note that the district straddles 5 local authorities — Bracknell Forest, Buckinghamshire, Runnymede, Slough and Windsor and Maidenhead — 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.
House prices in the SL4 district
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Spital & Cranbourne ParkWindsor and Maidenhead | 169 | 98 | £645,000 |
| Ascot & North Ascot EastWindsor and Maidenhead | 382 | 94 | £620,000 |
| Winkfield & CranbourneBracknell Forest | 519 | 92 | £685,000 |
| Burham North, Taplow & DorneyBuckinghamshire | 601 | 91 | £592,500 |
| Bray Wick & HolyportWindsor and Maidenhead | 649 | 90 | £652,000 |
| Old Windsor & WraysburyWindsor and Maidenhead | 889 | 87 | £587,500 |
| Clewer VillageWindsor and Maidenhead | 978 | 86 | £465,000 |
| DedworthWindsor and Maidenhead | 1,054 | 85 | £515,000 |
| Windsor Town & EtonWindsor and Maidenhead | 1,342 | 80 | £511,250 |
| Englefield Green & UniversityRunnymede | 1,664 | 76 | £460,000 |
| Stoke Poges & George GreenBuckinghamshire | 1,732 | 75 | £575,000 |
| Clewer New TownWindsor and Maidenhead | 2,528 | 63 | £486,250 |
| Cippenham MeadowsSlough | 4,077 | 40 | £390,000 |
| ChalveySlough | 5,626 | 18 | £351,500 |
People living in SL4 Census 2021
Age
Tenure
Households
Work (top occupations)
Professional 22% · Managers & directors 19% · Associate professional 15%
All occupation groups
| Professional | 22% |
| Managers & directors | 19% |
| Associate professional | 15% |
| Administrative | 9% |
| Elementary | 8% |
| Skilled trades | 8% |
| Caring & leisure | 8% |
| Sales & customer service | 6% |
| Process & plant | 5% |
Ethnic group
Religion & identity
Christian 46% · No religion 27% · Muslim 11%
Born outside the UK: 27%
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.
Towns & places in SL4
Places whose neighbourhoods overlap the SL4 district.
Nearby areas
Postcode districts around SL4.
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.