Average price per square foot in SO15 (Southampton) — July 2026

3,393 sold homes · Land Registry + EPC · HPI-indexed
£316
avg £/sqft (indexed to today)
£237,000
median sold price
874 sqft
average floor area
+19.5%
new-build premium (125 new-build sales)

£/sqft by property type

TypeAvg £/sqft (today)Median priceSales
Detached£357/sqft£470,000242
Semi-detached£326/sqft£325,000894
Terraced£307/sqft£268,000741
Flat£307/sqft£158,0001,516

Trend (raw sold £/sqft by year)

YearAvg £/sqft
2023£304/sqft
2024£302/sqft
2025£306/sqft
2026£299/sqft
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Nearby districts: SO14 · SO16 · SO17 · SO18 · SO19 · SO20 · SO21 · SO22 · all areas

Method: Land Registry sales (2021–present) in postcode district SO15, matched to EPC floor areas, HPI-indexed to today, 2nd–98th percentile trimmed. Open Government Licence data (HM Land Registry, EPC Register, ONS, UK HPI). Estimates for research, not RICS valuations. Updated July 2026.