Postcode district report · August 2026

KT21, Mole Valley

KT21 is the 2nd Hapiest of Mole Valley'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.

Homes sold
130
in the 12 months to August 2026
Median price
£730,000
+0.3% on the year before
Price per m²
£6,074
median, homes with an EPC
Flats
15%
of homes sold

KT21 on the HPAI Swatch

Each tile ranks KT21 against the other postcode districts of Mole Valley.

Price per m²£6,074/m² 2nd of 7
Price change+0.3% 2nd of 7
Sales a year130 a year 3rd of 7
Sales change-22.7% 5th of 7
Energy efficiency65 EPC score 4th of 7
Carbon5.0 t CO₂ a home 6th of 7
Station nearby1.0 km 3rd of 7
Yellow the best in Mole Valley Green above average Blue below average Purple weakest in Mole Valley

Yellow is Hapi: the more yellow, the better KT21 compares with the rest of Mole Valley. These colours compare postcode districts within Mole Valley; Mole Valley's own Swatch compares it with areas across England and Wales.

Mole Valley's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 RH4 173£450,000 -2.2%
2 KT21 130£730,000 +0.3%
3 RH5 114£544,000 +0.6%
4 KT22 276£507,250 -5.3%
5 RH3 48£630,000 -10.0%
6 KT23 107£665,000 -5.0%
7 RH6 26£475,000 -2.8%

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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 Mole Valley 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 Mole Valley aren't ranked.