Average price per square foot in TW18 (Staines-Upon-Thames) — July 2026
£535
avg £/sqft (indexed to today)
£425,000
median sold price
924 sqft
average floor area
+22.4%
new-build premium (308 new-build sales)
£/sqft by property type
| Type | Avg £/sqft (today) | Median price | Sales |
|---|---|---|---|
| Detached | £537/sqft | £667,500 | 314 |
| Semi-detached | £531/sqft | £477,000 | 731 |
| Terraced | £523/sqft | £425,000 | 474 |
| Flat | £543/sqft | £315,000 | 890 |
Trend (raw sold £/sqft by year)
| Year | Avg £/sqft |
|---|---|
| 2023 | £493/sqft |
| 2024 | £538/sqft |
| 2025 | £506/sqft |
| 2026 | £502/sqft |
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Nearby districts: TW1 · TW10 · TW11 · TW12 · TW13 · TW14 · TW15 · TW16 · all areas
Method: Land Registry sales (2021–present) in postcode district TW18, 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.