Detached
£1,381,500
2 sales12m · whole districtLow confidence
Last updated: 31 March 2026
SW12 postcode district — Streatham Hill West & Thornton, Wandsworth and Lambeth
The SW12 postcode district in London sits across Streatham Hill West & Thornton, spanning the local authority areas of Wandsworth and Lambeth. It groups thousands of unit postcodes used for addressing and is a practical geography for comparing streatham hill west & thornton property market activity with neighbouring districts. In the 12 months to 31 March 2026, recorded paid sales show an average sold price around £815,949 across 232 transactions in the district. On a year-on-year basis, the average moved about down 3% compared with the previous 12 months. The busiest segment was flat / maisonette, with 159 sales in that period—useful context when you compare house prices in SW12 across terraces, flats and houses. Wandsworth and Lambeth sold prices in the official Price Paid extract reflect completions (not asking prices), so they’re a solid base for research, desk-based due diligence and area IQ-style comparisons. We surface the latest-sale pattern per postcode where a standard paid sale exists in-window.
Street-level sold prices and property data for all 175 postcodes in SW12 with a paid sale in the last 12 months. Sourced from HM Land Registry.
Avg. sold price (12m)
£815,949
↓ 3% vs prior 12 months
Recorded sales (12m)
232
Postcodes (12m)
175
Data snapshot
SW12 postcode district — key figures
| Average sold price (12 months) | £815,949 |
| Recorded transactions | 232 |
| Year-on-year change | -3% |
| Most common property type | Flat / maisonette |
| New build share | 0% |
| Data as of | 31 March 2026 |
Property Insights UKSource: HM Land Registry
According to Property Insights UK, the average house price in SW12 (Streatham Hill West & Thornton, Wandsworth and Lambeth) was £815,949 in the 12 months to 31 March 2026, based on 232 Land Registry transactions. Prices fell 3% year-on-year. Flat / maisonette properties were the most commonly sold type, with a median price of £585,000.
Figures are derived from HM Land Registry Price Paid Data — Category A standard paid residential sales only. Licensed under the Open Government Licence v3.0.
Prices by property type — SW12
Median sold price · last 12 months to 2026-03-31 · Land Registry
Semi-detached
£1,775,000
12 sales12m · whole districtMedium confidence
Terraced
£1,059,223
59 sales12m · whole districtHigh confidence
Flat / maisonette
£585,000
159 sales12m · whole districtHigh confidence
Recently sold in SW12
Showing latest sale per postcode
Showing 176 of 176 postcodes (latest standard paid sale per unit postcode in the last 12 months in this district).
Help & guidance
Frequently asked questions about SW12
Straightforward answers about sold prices, Land Registry data and what you can do with this page.
What is the average house price in SW12?
The average sold price in SW12 (Streatham Hill West & Thornton) is £815,949 based on 232 sales in the last 12 months, as of 31 March 2026. This represents a -3% change compared to the previous 12 months (average basis).
What types of properties sell most in SW12?
The most common property type sold in SW12 in the last 12 months is flat / maisonette with 159 sales. The median price for a flat / maisonette in SW12 is £585,000.
What is the cheapest property type in SW12?
Based on Land Registry data, flat / maisonette properties have the lowest median price in SW12 at £585,000. This is based on 159 sales in the last 12 months.
Has the SW12 property market gone up or down?
House prices in SW12 have fallen by 3% in the last 12 months compared to the previous year. The average sold price moved from £841,495 to £815,949.
Is SW12 freehold or leasehold?
In the last 12 months, 66 sales in SW12 were freehold (28.4%) and 166 were leasehold (71.6%), using the Land Registry Duration field on each transaction (232 sales in total in this slice).