Average price per square foot in AL5 (Harpenden) — July 2026
£697
avg £/sqft (indexed to today)
£756,000
median sold price
1364 sqft
average floor area
+4.2%
new-build premium (78 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £764/sqft | £1,295,000 | 826 |
| Semi-detached | £715/sqft | £795,000 | 712 |
| Terraced | £681/sqft | £600,000 | 426 |
| Flat | £591/sqft | £345,500 | 579 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £658/sqft |
| 2024 | £675/sqft |
| 2025 | £672/sqft |
| 2026 | £641/sqft |
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Nearby districts: AL1 · AL10 · AL2 · AL3 · AL4 · AL6 · AL7 · AL8 · all areas
Method: Land Registry sales (2021–present) in postcode district AL5, 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.