Postcode district report · August 2026

TN21, Wealden

TN21 is the 12th Hapiest of Wealden's 14 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
212
in the 12 months to August 2026
Median price
£379,000
+1.1% on the year before
Price per m²
£3,896
median, homes with an EPC
Flats
15%
of homes sold

TN21 on the HPAI Swatch

Each tile ranks TN21 against the other postcode districts of Wealden.

Price per m²£3,896/m² 10th of 13
Price change+1.1% 9th of 14
Sales a year212 a year 4th of 14
Sales change-13.5% 8th of 14
Energy efficiency68 EPC score 6th of 13
Carbon3.6 t CO₂ a home 8th of 13
Station nearby8.9 km 13th of 13
Yellow the best in Wealden Green above average Blue below average Purple weakest in Wealden

Yellow is Hapi: the more yellow, the better TN21 compares with the rest of Wealden. These colours compare postcode districts within Wealden; Wealden's own Swatch compares it with areas across England and Wales.

Wealden's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 RH18 43£525,000 +18.6%
2 BN24 158£351,250 +3.3%
2 TN33 26£452,500 +17.9%
4 BN20 68£426,850 +3.4%
5 BN8 27£665,000 +18.8%
6 TN22 346£406,250 -3.3%
7 TN6 292£445,000 +1.1%
8 BN22 41£354,000 +6.9%
9 BN27 400£305,500 -4.5%
10 TN5 47£425,000 -20.6%
11 BN26 175£318,000 -2.2%
12 TN21 212£379,000 +1.1%
13 TN20 44£492,500 -15.8%
14 TN3 37£640,000 +11.8%

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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 Wealden 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 Wealden aren't ranked.