Average price per square foot in NN3 (Northampton) — July 2026
£300
avg £/sqft (indexed to today)
£256,000
median sold price
1017 sqft
average floor area
+13.6%
new-build premium (266 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £327/sqft | £373,000 | 1,525 |
| Semi-detached | £316/sqft | £256,000 | 1,993 |
| Terraced | £262/sqft | £205,000 | 1,628 |
| Flat | £254/sqft | £145,000 | 270 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £283/sqft |
| 2024 | £285/sqft |
| 2025 | £292/sqft |
| 2026 | £294/sqft |
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Nearby districts: NN1 · NN10 · NN11 · NN12 · NN13 · NN14 · NN15 · NN16 · all areas
Method: Land Registry sales (2021–present) in postcode district NN3, 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.