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

Typical net household income£46,425a year, weighted avg of neighbourhood estimates
Recorded crime87per 1,000 residents, 12m
Median age (est.)37
Owner-occupied59%

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

£450,000median home sold over the past year · +13.9% over 5 years · 0.0% over the year · 366 sales
Detached£740,000
Semi-detached£557,500
Terraced£415,000
Flat£261,500
Slough£395,000
South East£385,000
England£300,000
Annual median price, all homes. Small samples can be volatile.
Area Score:more deprivedless deprivedTap a neighbourhood to open it →
NeighbourhoodNat. rankArea scoreMedian price
Farnham & HedgerleyBuckinghamshire 97886 £700,000
Stoke Poges & George GreenBuckinghamshire 1,73275 £575,000
Langley St Mary'sSlough 2,04870 £471,000
Iver & Richings ParkBuckinghamshire 2,21968 £552,500
DatchetWindsor and Maidenhead 2,80259 £542,500
Langley KederminsterSlough 3,26152 £487,500
Langley FoxboroughSlough 3,87843 £412,500
Central Slough & Upton CourtSlough 4,06341 £300,000
Colnbrook & PoyleSlough 4,47435 £373,500
Wexham LeaSlough 4,61133 £440,000
Wexham RoadSlough 4,61833 £435,000

People living in SL3 Census 2021

Residents102,923
Median age (est.)37
Density1,198per km²
No qualifications17%
Degree or above39%
No car or van16%

Age

0–14 21%15–24 11%25–44 30%45–64 25%65+ 13%

Tenure

Own outright: 26%Mortgage/shared: 33%Social rent: 17%Private rent: 25%
Own outright 26%Mortgage/shared 33%Social rent 17%Private rent 25%

Households

One person: 24%Couple, no children: 12%Couple with children: 33%Lone parent: 11%Other: 19%
One person 24%Couple, no children 12%Couple with children 33%Lone parent 11%Other 19%

Work (top occupations)

Professional 22% · Managers & directors 14% · Associate professional 12%

All occupation groups
Professional22%
Managers & directors14%
Associate professional12%
Elementary11%
Administrative10%
Process & plant8%
Caring & leisure8%
Skilled trades8%
Sales & customer service7%

Ethnic group

White: 45%Asian: 41%Black: 5%Mixed: 4%Other: 6%
White 45%Asian 41%Black 5%Mixed 4%Other 6%

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.