House prices in TW20
Sold prices in the TW20 postcode district, from HM Land Registry records.
The average sold price in TW20 over the 12 months to May 2026 was £535,543, across 222 recorded sales. Semi-detached homes sold for a median of £485,000. Prices fell 2.1% on the previous year.
Average sold price
£535,543
Median sold price
£460,000
Sales (12 months)
222
Year on year
-2.1%
Median sold price, last 12 months
Monthly medians; months with no recorded sales are left blank.
What did each property type sell for?
Semi-detached£485,00070 sales
Terraced£420,00060 sales
Detached£710,00053 sales
Flats£261,00039 sales
What the numbers say
The average sold price in TW20 over the 12 months to May 2026 was £535,543, across 222 recorded sales. Semi-detached homes were the most traded type, with 70 sales at a median of £485,000, followed by terraced homes at £420,000. Prices fell 2.1% on the previous year. The median sale came in at £460,000, below the average, which points to a small number of higher-priced sales pulling the average up.