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Get started1a is a five-bedroom detached house in Radlett (WD7 7DA). It has a recorded floor area of 359 m² (around 3864 sq ft) and construction records dating it to 1996-2002. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Our model identifies extension potential, subject to local planning policy. The latest certificate (September 2023) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since July 2013. Between certificates, wall efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 82).
Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £2,258,000 sits 55.7% above the 2021 sale of £1,450,000. On a £-per-square-foot basis, the last sale (£375/sq ft) was about 42.7% below the postcode norm. At 359 m² the property is well over the postcode median (256 m² across 4 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Sold September 2021 for £1,450,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 9 planning records sit against the property, 5 approved, 2 refused. Past consents include an extension, a loft conversion, a garage conversion and a basement excavation, meaningful when judging how the property has evolved.
1a's carbon output runs well above what efficient homes in the postcode produce.
A recent planning application at 1a was refused — worth checking the council file.
Application for approval of details reserved by condition 3 (Arboricultural Report) of planning permission reference 21/2165/HSE.
1a has more than tripled in price since its earliest registered sale in 2001.
£2,258,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.
£1,450,000
Growth on file: 6.8% per year over 20 years.
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Price per m² for 1a lags the street by a wide margin.
Price per m²
£4,039
Street avg £7,356
Floor Area
359 m²
Street avg 255 m²
Habitable Rooms
9 rooms
Street avg 9 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Grove — bus stop.

Daytime· 07:00 – 23:00
46.6dB

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Changes detected from historical EPC data
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
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Extension: Single storey · Side of property
Construction of a first floor side extension, alterations to fenestration and conversion of loft to habitable room with associated roof alterations to include an increase in ridge height with 1 x rear dormer, 2 x front dormers, 1 front roof light and 2 x rear rooflight.
7 more applications for this property
See the full planning history in the property report.
30 September 2021Most recent
£1,450,000
+1.8%over 5 years20 November 2015
£1,425,000
+152.2%over 9 years9 May 2006
£565,000
+50.7%over 5 years20 April 2001
£375,000
Median price across the last 5 sales in WD7 7DA: £1,015,000 (2024–2006).
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

CO₂ Emissions
7.3 t/year
Street avg 13.6 t/year
WD7 7EB
Closest school
0.9 km
Newberries Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
38.8dB