Sales on William Street are mostly semi-detached houses. The median sale price is £180,000, about 31% below the typical NN15 sale. Per square metre of floor space it comes to about £2,427, below the district's £2,824. Too few recent sales to read a street-level trend, but across NN15 prices have been easing over the last few years. HM Land Registry records 18 sales across 10 homes since 2001 — homes here come up rarely.
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William Street prices over time
Median sold price on the street by year, from 18 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the NN15 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How William Street compares
William Street against the NN15 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).
William Street's £180,000 median sits about 31% below NN15's £261,900; on floor space it runs £2,427/m² against the district's £2,824/m² (-14%).
Street and NN15 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.
Prices by property type
Median sold price by property type on William Street.
Every recorded sale on William Street
Individual transactions as recorded by HM Land Registry, newest first.
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More streets in NN15
Sold-price profiles for nearby streets, and the wider NN15 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.