Lock Island is a street almost entirely of detached houses. Homes here typically change hands around £447,500 — roughly 29% below the SL7 norm. Recent sales are too thin to call a trend for the street itself; SL7 prices as a whole have been easing. With 6 sales across 6 homes since 2007, homes here come to market only rarely.
Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.
Lock Island prices over time
Median sold price on the street by year, from 6 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the SL7 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Lock Island compares
Lock Island against the SL7 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.
Median sold price and sale count over the last 8years for the district's busiest streets. *This street's figures cover all recorded sales (fewer than 3 in the last 8 years).
Lock Island's £447,500 median sits about 29% below SL7's £630,000.
Street and SL7 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.
Every recorded sale on Lock Island
Individual transactions as recorded by HM Land Registry, newest first.
Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.
More streets in SL7
Sold-price profiles for nearby streets, and the wider SL7 area guide.
Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.