Average price per square foot in AL6 (Welwyn) — July 2026
£544
avg £/sqft (indexed to today)
£710,000
median sold price
1547 sqft
average floor area
+1.5%
new-build premium (48 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £556/sqft | £870,000 | 459 |
| Semi-detached | £542/sqft | £611,500 | 174 |
| Terraced | £536/sqft | £465,000 | 132 |
| Flat | £504/sqft | £340,000 | 105 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £522/sqft |
| 2024 | £523/sqft |
| 2025 | £516/sqft |
| 2026 | £509/sqft |
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Nearby districts: AL1 · AL10 · AL2 · AL3 · AL4 · AL5 · AL7 · AL8 · all areas
Method: Land Registry sales (2021–present) in postcode district AL6, 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.