SL3 area guide
House prices, recent sales, crime and schools for the SL3 postcode district in Buckinghamshire. Free to read, from official open data. For one address in detail, run a full property report.
Buckinghamshire · 2026-05 (UK HPI)
Land Registry Price Paid
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about SL3
The average home across Buckinghamshire is worth about £485,824 (UK House Price Index, 2026-05), and prices have risen 2.8% over the last year.
Of 309 energy certificates sampled across 12 postcodes in SL3, band D is the most common, and 55.7% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 1,356 crimes around the centre of SL3 in the six months to 2026-06, most often violence and sexual offences (524).
There are 5 schools rated Good or Outstanding by Ofsted within a mile of SL3 in Buckinghamshire, including Holy Family Catholic Primary School.
The district covers the Colnbrook & Poyle, Datchet, Horton & Wraysbury, Farnhams & Stoke Poges, Iver ward areas.
Sample of 309 energy certificates from 12 postcodes in SL3, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +2.8% over the last year in Buckinghamshire.
Street-level crime from data.police.uk, six months to 2026-06.
Primary
- Holy Family Catholic Primary SchoolNot rated · 0.3 mi
- Marish Primary SchoolGood · 0.3 mi
- The Langley Academy PrimaryNot rated · 0.4 mi
- Langley Hall Primary AcademyNot rated · 0.5 mi
- Foxborough Primary SchoolNot rated · 0.5 mi
Secondary
- Langley Grammar SchoolOutstanding · 0.1 mi
- The Langley AcademyGood · 0.4 mi
- Windsor Forest Colleges GroupNot rated · 0.5 mi
- Langley Hall Arts AcademyNot rated · 0.7 mi
- Ditton Park AcademyNot rated · 0.9 mi
Colnbrook & Poyle · Datchet, Horton & Wraysbury · Farnhams & Stoke Poges · Iver · Langley Foxborough · Langley Marish · Langley Meads · Langley St Mary's · Slough Central · Upton · Wexham Court
Common questions about SL3
What is the average house price in SL3?
The UK House Price Index puts the average home in Buckinghamshire at £485,824 as of 2026-05.
How much does each property type cost in SL3?
Detached £865,799, semi-detached £479,172, terraced £382,280, flats £239,512, based on the UK House Price Index for Buckinghamshire.
Is SL3 a safe area?
Police recorded 1,356 crimes near the centre of SL3 in the six months to 2026-06. The most common category was violence and sexual offences with 524 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in SL3 usually have?
Band D is the most common rating in our sample of 309 certificates from SL3, with 55.7% of homes rated below band C. A full property report shows the exact certificate, running costs and recommended improvements for one address.
What are the schools like near SL3?
5 schools within a mile of the SL3 district centre are rated Good or Outstanding by Ofsted. Nearby secondaries include Langley Grammar School. Catchment areas are set by the local authority and can change year to year.
Where does this SL3 data come from?
HM Land Registry Price Paid Data and the UK House Price Index for prices, the government's energy performance register for EPC bands, data.police.uk for crime, Get Information About Schools and Ofsted for schools, and ONS postcode geography. All are published under the Open Government Licence v3.0.
A full report covers the energy certificate, sale history and valuation, council tax band and bill, flood and crime risk, schools, transport and neighbourhood data for a single property.
Search an addressMore on SL3
Nearby SL postcode districts
Sources: HM Land Registry Price Paid Data and UK House Price Index, ONS postcode geography, data.police.uk, Get Information About Schools and Ofsted. Contains public sector information licensed under the Open Government Licence v3.0.