SW20 postcode district — Hillside, Kingston Upon Thames and Merton
The SW20 postcode district in London sits across Hillside, spanning the local authority areas of Kingston Upon Thames and Merton. It groups thousands of unit postcodes used for addressing and is a practical geography for comparing hillside property market activity with neighbouring districts. In the 12 months to 31 March 2026, recorded paid sales show an average sold price around £762,223 across 201 transactions in the district. On a year-on-year basis, the average moved about down 7.5% compared with the previous 12 months. The busiest segment was terraced, with 82 sales in that period—useful context when you compare house prices in SW20 across terraces, flats and houses. Kingston Upon Thames 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.
Street-level sold prices and property data for all 138 postcodes in SW20 with a paid sale in the last 12 months. Sourced from HM Land Registry.
According to Property Insights UK, the average house price in SW20 (Hillside, Kingston Upon Thames and Merton) was £762,223 in the 12 months to 31 March 2026, based on 201 Land Registry transactions. Prices fell 7.5% year-on-year. Terraced properties were the most commonly sold type, with a median price of £850,000.
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 — SW20
Median sold price · last 12 months to 2026-03-31 · Land Registry
Showing 139 of 139 postcodes (latest standard paid sale per unit postcode in the last 12 months in this district).
Help & guidance
Frequently asked questions about SW20
Straightforward answers about sold prices, Land Registry data and what you can do with this page.
1
What is the average house price in SW20?
The average sold price in SW20 (Hillside) is £762,223 based on 201 sales in the last 12 months, as of 31 March 2026. This represents a -7.5% change compared to the previous 12 months (average basis).
2
What types of properties sell most in SW20?
The most common property type sold in SW20 in the last 12 months is terraced with 82 sales. The median price for a terraced in SW20 is £850,000.
3
What is the cheapest property type in SW20?
Based on Land Registry data, flat / maisonette properties have the lowest median price in SW20 at £430,000. This is based on 82 sales in the last 12 months.
4
Has the SW20 property market gone up or down?
House prices in SW20 have fallen by 7.5% in the last 12 months compared to the previous year. The average sold price moved from £823,825 to £762,223.
5
Is SW20 freehold or leasehold?
In the last 12 months, 115 sales in SW20 were freehold (57.2%) and 86 were leasehold (42.8%), using the Land Registry Duration field on each transaction (201 sales in total in this slice).