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Get started20 Darnhills is a three-bedroom detached house in Radlett (WD7 8LQ). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (February 2019) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. At 115 m² this is the 4th smallest of 12 units on EPC record in the building, where floor areas span 98–182 m². The building's EPC ratings span F to C across 12 units on file.
Sale prices here have outpaced England HPI: 3.6% per year against 0% for the wider region. Today's modelled estimate of £626,000 is 19.7% above the 2021 sale price. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Most recent transfer: June 2021 at £523,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
20 Darnhills's carbon output runs well above what efficient homes in the postcode produce.
20 Darnhills has more than doubled in price since the earliest registered sale in 1999.
£626,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 22 years.
£523,000
Growth on file: 3.6% per year over 22 years.
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CO₂ Emissions for 20 Darnhills lags the street by a wide margin.
Price per m²
£4,548
Street avg £5,661
Floor Area
115 m²
Street avg 127 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Newlands Avenue — bus stop.

Daytime· 07:00 – 23:00
47.4dB

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28 June 2021Most recent
£523,000
+117.9%over 22 years28 June 1999
£240,000
Median price across the last 5 sales in WD7 8LQ: £775,000 (2024–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
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Comparable sales, transport, crime, schools and more

CO₂ Emissions
7.1 t/year
Street avg 4.9 t/year
WD7 8HH
Closest school
0.4 km
St John's Church of England Infant and Nursery School. 4 schools nearby.
Night-time· 23:00 – 07:00
39.2dB