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Get started21 Gills Hill is a four-bedroom detached house in Radlett (WD7 8DA). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (January 2022) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.
One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£932/sq ft) was about 90.4% above the typical sold price in the postcode. Sold June 2022 for £1,815,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Gills Hill's carbon output runs well above what efficient homes in the postcode produce.
Council records include a two-storey rear extension at 21 Gills Hill.
Extension: Two storey · Rear of property
Proposed two storey rear extension
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,838,000
Modelled from EPC, postcode comparables.
£1,815,000
Recorded with HM Land Registry.
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21 Gills Hill outperforms the street on price per m² by a wide margin.
Price per m²
£10,028
Street avg £7,508
Floor Area
181 m²
Street avg 210 m²
Habitable Rooms
7 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
Gills Hill Lane — bus stop.

Daytime· 07:00 – 23:00
47.4dB

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1 June 2022Most recent
£1,815,000
Median price across the last 5 sales in WD7 8DA: £1,700,000 (2024–2016).
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 8 rooms
CO₂ Emissions
7.8 t/year
Street avg 9.4 t/year
WD7 8DJ
Closest school
0.2 km
St John's Church of England Infant and Nursery School. 4 schools nearby.
Night-time· 23:00 – 07:00
38.7dB