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Get started1 Aldenham Grove is a five-bedroom detached house in Radlett (WD7 7BN). It has a recorded floor area of 506 m² (around 5447 sq ft), construction records dating it to 2024 and council tax band G. The latest certificate (November 2024) shows a C (score 76), near the top of the C band. When first surveyed in September 2021 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Poor. Main heating runs on electricity: electricity, unspecified tariff. Our model identifies extension potential, subject to local planning policy.
At 506 m² the property is well over the postcode median (279 m² across 5 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £3,082,000 sits 68.9% above the 2021 sale of £1,825,000. 4 planning records sit against the property, 2 approved, 0 refused. Last sale on file: £1,825,000 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
1 Aldenham Grove's carbon output runs well above what efficient homes in the postcode produce.
Installation of 1.2m high black wrought iron sliding gates and railings (as amended by plans received 20/06/2022).
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£3,082,000
Modelled from EPC, postcode comparables.
£1,825,000
Recorded with HM Land Registry.
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Price per m² for 1 Aldenham Grove lags the street by a wide margin.
Price per m²
£3,607
Street avg £6,444
Floor Area
506 m²
Street avg 259 m²
CO₂ Emissions
8.3 t/year
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Williams Way — bus stop.

Daytime· 07:00 – 23:00
47.2dB

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Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Application for approval of details reserved by conditions 2 (storage of refuse & recycling), 3 (method statement), 4 (landscaping), 5 (hard surface area materials), 6 (external surface materials and 7 (arboricultural method statement & tree protection plan) of planning permission reference 21/2362/FUL.
2 more applications for this property
See the full planning history in the property report.
23 November 2021Most recent
£1,825,000
Median price across the last 5 sales in WD7 7BN: £1,500,000 (2024–2014).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 9.0 t/year
Years Held
5 years
Street avg 6 years
WD7 7BG
Closest school
0.7 km
Newberries Primary School. 7 schools nearby.
Night-time· 23:00 – 07:00
38.5dB