Fortress Close is a mix of semi-detached houses and detached houses. The median sale price is £209,995, about 7% below the typical NN17 sale. Per square metre of floor space it comes to about £2,759, above the district's £2,549. The street has been outpacing the NN17 trend. The record shows 37 sales across 27 homes since 2017.
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.
Fortress Close prices over time
Median sold price on the street by year, from 37 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the NN17 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Fortress Close compares
Fortress Close against the NN17 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).
Fortress Close's £209,995 median sits about 7% below NN17's £225,000; on floor space it runs £2,759/m² against the district's £2,549/m² (+8%).
Street and NN17 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 Fortress Close.
Every recorded sale on Fortress Close
Individual transactions as recorded by HM Land Registry, newest first.
Sales marked non-standardare Land Registry “additional price paid” entries — bulk purchases, repossessions, right-to-buy and similar transfers. They're listed for completeness but excluded from every median and comparison figure on this page.
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 NN17
Sold-price profiles for nearby streets, and the wider NN17 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.