Average price per square foot in NN1 (Northampton) — July 2026
£246
avg £/sqft (indexed to today)
£200,000
median sold price
970 sqft
average floor area
+27.5%
new-build premium (62 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £318/sqft | £423,000 | 69 |
| Semi-detached | £272/sqft | £285,000 | 123 |
| Terraced | £241/sqft | £220,000 | 1,735 |
| Flat | £246/sqft | £140,000 | 788 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £230/sqft |
| 2024 | £235/sqft |
| 2025 | £235/sqft |
| 2026 | £225/sqft |
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Nearby districts: NN10 · NN11 · NN12 · NN13 · NN14 · NN15 · NN16 · NN17 · all areas
Method: Land Registry sales (2021–present) in postcode district NN1, 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.