Average price per square foot in SG18 (Biggleswade) — July 2026
£393
avg £/sqft (indexed to today)
£360,000
median sold price
1033 sqft
average floor area
+1.9%
new-build premium (423 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £405/sqft | £500,000 | 857 |
| Semi-detached | £399/sqft | £370,000 | 932 |
| Terraced | £397/sqft | £305,000 | 797 |
| Flat | £349/sqft | £210,000 | 425 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £376/sqft |
| 2024 | £374/sqft |
| 2025 | £382/sqft |
| 2026 | £390/sqft |
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Nearby districts: SG1 · SG11 · SG12 · SG13 · SG14 · SG15 · SG16 · SG17 · all areas
Method: Land Registry sales (2021–present) in postcode district SG18, 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.