SW18 postcode district — East Putney, Wandsworth and Merton

The SW18 postcode district in London sits across East Putney, spanning the local authority areas of Wandsworth and Merton. It groups thousands of unit postcodes used for addressing and is a practical geography for comparing east putney property market activity with neighbouring districts. In the 12 months to 31 March 2026, recorded paid sales show an average sold price around £735,642 across 592 transactions in the district. On a year-on-year basis, the average moved about down 6.4% compared with the previous 12 months. The busiest segment was flat / maisonette, with 437 sales in that period—useful context when you compare house prices in SW18 across terraces, flats and houses. Wandsworth and Merton 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.