Seaforth Gardens is a street almost entirely of detached houses. Homes here typically change hands around £1,400,000 — roughly 115% above the N21 norm. Per square metre of floor space it comes to about £6,439, above the district's £6,211. Too few recent sales to read a street-level trend, but across N21 prices have been easing over the last few years. With 21 sales across 15 homes since 2001, homes here come to market only rarely.
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Seaforth Gardens prices over time
Median sold price on the street by year, from 21 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the N21 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Seaforth Gardens compares
Seaforth Gardens against the N21 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).
Seaforth Gardens's £1,400,000 median sits about 115% above N21's £652,250; on floor space it runs £6,439/m² against the district's £6,211/m² (+4%).
Street and N21 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 Seaforth Gardens
Individual transactions as recorded by HM Land Registry, newest first.
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More streets in N21
Sold-price profiles for nearby streets, and the wider N21 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.