SL3 area guide
Who lives in SL3, what homes sell for, and how it compares on crime, schools and transport.
- Council
- Slough
- Region
- South East
- Population
- 75,070 (2024)
SL3Postcode district · Slough
What SL3 is like
The SL3 postcode district in Slough covers 1,079 live postcodes and is home to about 75,070 people in 25,183 households. 55.8% of households own their home, 26.2% rent privately and 16.8% are in social housing. The largest age group is 40–44, and 61.1% of adults are in work. On deprivation, it sits near the middle of the scale for England. Higher-harm crime is above the England and Wales average. Homes in SL3 sold for a median of £450,000 over the year to August 2026.
How SL3 compares
Headline figures for SL3, set against England as a whole.
Around the middle. Scored from 1 (most deprived in England) to 10 (least deprived).
Around the middle: 35.8 higher-harm crimes per 1,000 people a year vs 31.1 nationally.
Average annual income before tax, higher than 75% of neighbourhoods in England and Wales.
Worth knowing before you invest
Where SL3 differs most from the national average.
- 01A big private rental marketPositive
26.2% of households rent privately, against 20.5% across England. Tenant demand is established here.
- 02Well-rated schoolsPositive
100% of the inspected schools nearby are rated good or better.
SL3 FAQs
01Is SL3 a good place to live?Deprivation, crime, schools and transport at a glance.
Deprivation, crime, schools and transport at a glance.
02How much does a house cost in SL3?The median sale price over the last year was £450,000.
The median sale price over the last year was £450,000.
03Is SL3 safe?How recorded crime here compares with the national average.
How recorded crime here compares with the national average.
04Who lives in SL3?Age, home ownership and housing from the census.
Age, home ownership and housing from the census.
05Which council covers SL3?The local authority for SL3 is Slough.
The local authority for SL3 is Slough.
06How well connected is SL3?Connectivity scores 5.0 out of 10.
Connectivity scores 5.0 out of 10.
Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.