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Get startedFirbank is a detached house in Radlett (WD7 7DU). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2012) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 79). The latest certificate is from May 2012, so improvements made since then won't be reflected.
At 136 m² it sits well below the postcode median (282 m² across 18 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £1,257,000 is 27.6% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£673/sq ft) was about 45.9% above the typical sold price in the postcode. Last sold in July 2012, so it's been off the market for around 14 years.
Firbank's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 28 May 2022
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Two storey · Front of property
Demolition of garage and construction of replacement at street level and new wheelchair access to front door. Two storey front extension, raising of the roof height to create additional accommodation at first floor level, with dormer windows to front, side and rear elevations.
£1,257,000
Modelled from EPC, postcode comparables.
£985,000
Recorded with HM Land Registry.
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Firbank is notably below the street on habitable rooms.
Price per m²
£7,243
Street avg £6,374
Floor Area
136 m²
Street avg 315 m²
Habitable Rooms
5 rooms
Street avg 8 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Kitswell Way — bus stop.

Daytime· 07:00 – 23:00
45.1dB

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Extension: Single storey · Rear of property
Single storey rear extension and rendering the existing house and single storey extension.
2 more applications for this property
See the full planning history in the property report.
31 July 2012Most recent
£985,000
Median price across the last 5 sales in WD7 7DU: £1,669,000 (2025–2022).
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
6.2 t/year
Street avg 7.6 t/year
WD7 7BJ
Closest school
1.3 km
St John's Church of England Infant and Nursery School. 6 schools nearby.
Night-time· 23:00 – 07:00
38.3dB