Postcode district report · August 2026

KT3, Kingston upon Thames

KT3 is the 4th Hapiest of Kingston upon Thames's 7 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport. KT3 also reaches into Merton; these figures are for its homes in Kingston upon Thames.

Homes sold
229
in the 12 months to August 2026
Median price
£675,000
+0.0% on the year before
Price per m²
£6,683
median, homes with an EPC
Flats
21%
of homes sold

KT3 on the HPAI Swatch

Each tile ranks KT3 against the other postcode districts of Kingston upon Thames.

Price per m²£6,683/m² 4th of 7
Price change+0.0% 4th of 7
Sales a year229 a year 3rd of 7
Sales change-21.7% 3rd of 7
Energy efficiency65 EPC score 5th of 7
Carbon4.0 t CO₂ a home 7th of 7
Station nearby0.7 km 5th of 7
Yellow the best in Kingston upon Thames Green above average Blue below average Purple weakest in Kingston upon Thames

Yellow is Hapi: the more yellow, the better KT3 compares with the rest of Kingston upon Thames. These colours compare postcode districts within Kingston upon Thames; Kingston upon Thames's own Swatch compares it with areas across England and Wales.

Kingston upon Thames's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 KT2 287£742,500 +1.0%
2 KT1 185£550,000 -2.0%
3 KT6 327£450,000 -3.1%
4 KT3 229£675,000 +0.0%
5 KT5 184£608,500 +4.0%
6 KT4 43£650,000 +23.1%
7 KT9 205£465,000 -2.1%

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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 Kingston upon Thames 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 Kingston upon Thames aren't ranked.