Postcode district report · August 2026

WD25, Hertsmere

WD25 is the 3rd Hapiest of Hertsmere'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. WD25 also reaches into Watford and Three Rivers; these figures are for its homes in Hertsmere.

Homes sold
22
in the 12 months to August 2026
Median price
£675,000
-15.1% on the year before
Price per m²
£5,928
median, homes with an EPC
Flats
27%
of homes sold

WD25 on the HPAI Swatch

Each tile ranks WD25 against the other postcode districts of Hertsmere.

Price per m²£5,928/m² 3rd of 5
Price change-15.1% 5th of 5
Sales a year22 a year 5th of 5
Sales change+42.1% 1st of 5
Energy efficiency72 EPC score 1st of 5
Carbon2.4 t CO₂ a home 1st of 5
Station nearby0.4 km 1st of 5
Yellow the best in Hertsmere Green above average Blue below average Purple weakest in Hertsmere

Yellow is Hapi: the more yellow, the better WD25 compares with the rest of Hertsmere. These colours compare postcode districts within Hertsmere; Hertsmere's own Swatch compares it with areas across England and Wales.

Hertsmere's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 EN6 236£585,000 +4.0%
2 WD7 127£765,000 -12.6%
3 WD6 293£450,000 -2.2%
3 WD25 22£675,000 -15.1%
5 WD23 282£550,000 +1.9%

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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 Hertsmere 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 Hertsmere aren't ranked.