SE21 area guide
House prices, recent sales, crime and schools for the SE21 postcode district in Lambeth. Free to read, from official open data. For one address in detail, run a full property report.
Lambeth · 2026-07 (UK HPI)
Median £950,000
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about SE21
The average home across Lambeth is worth about £536,623 (UK House Price Index, 2026-07), and the median of the 5 most recent Land Registry sales recorded inside SE21 is £950,000, and prices have fallen 6.3% over the last year.
Of 258 energy certificates sampled across 12 postcodes in SE21, band D is the most common, and 69.8% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 2,471 crimes around the centre of SE21 in the six months to 2026-07, most often violence and sexual offences (586).
There are 8 schools rated Good or Outstanding by Ofsted within a mile of SE21 in Lambeth, including Alleyn's Oakfield.
The district covers the Dulwich Village, Dulwich Wood, Gipsy Hill, St Martin's ward areas.
Sample of 258 energy certificates from 12 postcodes in SE21, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed -6.3% over the last year in Lambeth.
Street-level crime from data.police.uk, six months to 2026-07.
Primary
- Alleyn's OakfieldNot rated · 0.2 mi
- Rosemead Preparatory SchoolNot rated · 0.4 mi
- Elm Wood SchoolNot rated · 0.5 mi
- Dulwich Wood Primary SchoolGood · 0.5 mi
- Rosendale Primary SchoolOutstanding · 0.6 mi
Secondary
- Dulwich CollegeNot rated · 0.2 mi
- Dulwich Prep & SeniorNot rated · 0.4 mi
- Kingsdale Foundation SchoolOutstanding · 0.5 mi
- The Elmgreen SchoolGood · 0.7 mi
- Turney Primary and Secondary Special SchoolNot rated · 0.7 mi
Dulwich Village · Dulwich Wood · Gipsy Hill · St Martin's · West Dulwich
Common questions about SE21
What is the average house price in SE21?
The UK House Price Index puts the average home in Lambeth at £536,623 as of 2026-07. Recent Land Registry sales recorded inside the SE21 district have a median price of £950,000.
How much does each property type cost in SE21?
Detached £1,153,203, semi-detached £1,028,861, terraced £796,865, flats £439,289, based on the UK House Price Index for Lambeth.
Is SE21 a safe area?
Police recorded 2,471 crimes near the centre of SE21 in the six months to 2026-07. The most common category was violence and sexual offences with 586 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in SE21 usually have?
Band D is the most common rating in our sample of 258 certificates from SE21, with 69.8% 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 SE21?
8 schools within a mile of the SE21 district centre are rated Good or Outstanding by Ofsted. Nearby secondaries include Dulwich College. Catchment areas are set by the local authority and can change year to year.
Where does this SE21 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 SE21
Nearby SE 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.