Average price per square foot in SO31 (Southampton) — July 2026
£399
avg £/sqft (indexed to today)
£365,000
median sold price
1099 sqft
average floor area
+5.5%
new-build premium (345 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £425/sqft | £525,000 | 1,518 |
| Semi-detached | £393/sqft | £348,500 | 1,007 |
| Terraced | £399/sqft | £287,000 | 722 |
| Flat | £354/sqft | £205,000 | 738 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £385/sqft |
| 2024 | £383/sqft |
| 2025 | £388/sqft |
| 2026 | £382/sqft |
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Nearby districts: SO14 · SO15 · SO16 · SO17 · SO18 · SO19 · SO20 · SO21 · all areas
Method: Land Registry sales (2021–present) in postcode district SO31, 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.