SL3 postcode area · Slough
The SL3 postcode district spans 11 neighbourhoods (MSOAs) in Buckinghamshire, Slough, Windsor and Maidenhead. Area Scores range from 32 to 85 across them. Every full SL3 postcode falls within one of the neighbourhoods below.
In summary
There is a sharp split within the SL3 district: Farnham & Hedgerley scores 86 out of 100 (#978 of 6,856 nationally) while Wexham Road sits at 33 — neighbours on the map, 53 points apart on the index. It mixes both ends of the national picture — 4 neighbourhoods in the least-deprived third of England and 2 in the most-deprived third. House prices stretch as far as the scores do: medians run from £300,000 in Central Slough & Upton Court to £700,000 in Farnham & Hedgerley — a 2.3× gap within the SL3 district. Note that the district straddles 3 local authorities — Buckinghamshire, 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 SL3 district
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Farnham & HedgerleyBuckinghamshire | 978 | 86 | £700,000 |
| Stoke Poges & George GreenBuckinghamshire | 1,732 | 75 | £575,000 |
| Langley St Mary'sSlough | 2,048 | 70 | £471,000 |
| Iver & Richings ParkBuckinghamshire | 2,219 | 68 | £552,500 |
| DatchetWindsor and Maidenhead | 2,802 | 59 | £542,500 |
| Langley KederminsterSlough | 3,261 | 52 | £487,500 |
| Langley FoxboroughSlough | 3,878 | 43 | £412,500 |
| Central Slough & Upton CourtSlough | 4,063 | 41 | £300,000 |
| Colnbrook & PoyleSlough | 4,474 | 35 | £373,500 |
| Wexham LeaSlough | 4,611 | 33 | £440,000 |
| Wexham RoadSlough | 4,618 | 33 | £435,000 |
People living in SL3 Census 2021
Age
Tenure
Households
Work (top occupations)
Professional 22% · Managers & directors 14% · Associate professional 12%
All occupation groups
| Professional | 22% |
| Managers & directors | 14% |
| Associate professional | 12% |
| Elementary | 11% |
| Administrative | 10% |
| Process & plant | 8% |
| Caring & leisure | 8% |
| Skilled trades | 8% |
| Sales & customer service | 7% |
Ethnic group
Religion & identity
Christian 35% · Muslim 20% · No religion 16%
Born outside the UK: 37%
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 SL3
Places whose neighbourhoods overlap the SL3 district.
Nearby areas
Postcode districts around SL3.
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.