Average price per square foot in SL1 (Slough) — July 2026
£477
avg £/sqft (indexed to today)
£353,000
median sold price
844 sqft
average floor area
+14.4%
new-build premium (645 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £512/sqft | £615,000 | 421 |
| Semi-detached | £484/sqft | £430,000 | 998 |
| Terraced | £485/sqft | £375,000 | 1,013 |
| Flat | £460/sqft | £235,000 | 1,802 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £452/sqft |
| 2024 | £456/sqft |
| 2025 | £455/sqft |
| 2026 | £445/sqft |
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Nearby districts: SL0 · SL2 · SL3 · SL4 · SL5 · SL6 · SL7 · SL8 · all areas
Method: Land Registry sales (2021–present) in postcode district SL1, 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.