Postcode district report · August 2026

TW20, Runnymede

TW20 is the 4th Hapiest of Runnymede's 5 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport.

Homes sold
220
in the 12 months to August 2026
Median price
£460,000
+0.0% on the year before
Price per m²
£5,309
median, homes with an EPC
Flats
20%
of homes sold

TW20 on the HPAI Swatch

Each tile ranks TW20 against the other postcode districts of Runnymede.

Price per m²£5,309/m² 2nd of 5
Price change+0.0% 4th of 5
Sales a year220 a year 3rd of 5
Sales change-1.6% 2nd of 5
Energy efficiency67 EPC score 4th of 5
Carbon3.5 t CO₂ a home 3rd of 5
Station nearby0.9 km 4th of 5
Yellow the best in Runnymede Green above average Blue below average Purple weakest in Runnymede

Yellow is Hapi: the more yellow, the better TW20 compares with the rest of Runnymede. These colours compare postcode districts within Runnymede; Runnymede's own Swatch compares it with areas across England and Wales.

Runnymede's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 KT15 349£450,000 +2.3%
2 GU25 56£853,750 -2.7%
3 KT16 244£450,000 +1.1%
4 TW20 220£460,000 +0.0%
5 TW18 54£425,000 +1.8%

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About these figures

Price per m²
Median price per square metre of homes sold in the last 12 months (homes with an EPC).
Price change
Median price in the last 12 months against the 12 months before.
Sales a year
Open-market sales in the last 12 months. More sales means a deeper, easier market.
Sales change
Sales in the 12 months to three months ago against the year before. The newest months are left out: Land Registry registers sales late.
Energy efficiency
Average EPC energy efficiency score of homes sold (higher is more efficient).
Carbon
Average carbon emissions of homes sold, tonnes a year. Lower is better.
Station nearby
Median distance from homes sold to the nearest railway station. Closer is better.

Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Runnymede only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Runnymede aren't ranked.