Union Street is mostly terraced houses. The median sale price is £574,950, about 23% above the typical SO23 sale. Recent sales are too thin to call a trend for the street itself; SO23 prices as a whole have been easing. With 5 sales across 4 homes since 2001, homes here come to market only rarely.
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Union Street prices over time
Median sold price on the street by year, from 5 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the SO23 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Union Street compares
Union Street against the SO23 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.
Union Street's £574,950 median sits about 23% above SO23's £466,110.
Street and SO23 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 Union Street.
Every recorded sale on Union Street
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 SO23
Sold-price profiles for nearby streets, and the wider SO23 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.