Sales on The Triangle are mostly flats. The median sale price is £80,600, about 68% below the typical SO18 sale. Per square metre of floor space it comes to about £1,542, below the district's £3,318. Recent sales are too thin to call a trend for the street itself; SO18 prices as a whole have been rising. HM Land Registry records 8 sales across 5 homes since 2000 — homes here come up rarely.
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The Triangle prices over time
Median sold price on the street by year, from 8 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the SO18 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How The Triangle compares
The Triangle against the SO18 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).
The Triangle's £80,600 median sits about 68% below SO18's £255,000; on floor space it runs £1,542/m² against the district's £3,318/m² (-54%).
Street and SO18 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 The Triangle.
Every recorded sale on The Triangle
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 SO18
Sold-price profiles for nearby streets, and the wider SO18 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.