Spelthorne · June 2026
Semi-detached houses in Spelthorne 2026
The average semi-detached house in Spelthorne is £522,630 — 22% above the Spelthorne average of £429,916. Figures come from the official UK House Price Index (HM Land Registry / ONS).
Average semi-detached house
£522,630
vs area average
+22%
Area annual change
-4.7%