Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started21 Shenley Hill is a five-bedroom detached house in Radlett (WD7 7AT). It has a recorded floor area of 210 m² (around 2260 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (January 2016) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from January 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 4.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£653/sq ft) was about 27% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Most recent transfer: June 2021 at £1,475,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Shenley Hill'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This certificate is over 10 years old and is no longer valid.Expired 15 Jan 2026
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Construction of a single-storey detached garden room to the rear of the existing dwelling. The building has been designed to provide flexible ancillary accommodation to serve the main dwelling, incorporating a golf simulator, pilates studio, kitchen, living/dining area, bedroom, en-suite bathroom, WC, and store.
Sale price has at least doubled since 2004.
£1,519,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 17 years.
£1,475,000
Growth on file: 4.9% per year over 17 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
On price per m², 21 Shenley Hill stands well clear of the street.
Price per m²
£7,024
Street avg £5,859
Floor Area
210 m²
Street avg 302 m²
Habitable Rooms
8 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Williams Way — bus stop.

Daytime· 07:00 – 23:00
48.3dB

Launch offer
Secure checkout · One-off payment

Rear dormer in existing roof. (Certificate of lawfulness - proposed)
1 more application for this property
See the full planning history in the property report.
30 June 2021Most recent
£1,475,000
+126.9%over 17 years26 March 2004
£650,000
Median price across the last 5 sales in WD7 7AT: £1,375,000 (2021–2007).
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 11 rooms
CO₂ Emissions
10.0 t/year
Street avg 11.9 t/year
WD7 7BG
Closest school
0.6 km
Newberries Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
39.0dB