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 The Heath is a four-bedroom detached house in Radlett (WD7 7DF). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (April 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in June 2014 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Poor. The recommended improvements would push it to C (score 78).
Untraded for 28 years, with the last transfer in July 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £982,000 sits 327% above the 1998 sale of £230,000. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 55.8% below the postcode norm. At 137 m² it's 22.6% smaller than the typical home in the postcode (177 m² median across 12 EPCs).
21 The Heath's carbon output runs well above what efficient homes in the postcode produce.
21 The Heath's modelled value sits at over four times its earliest registered sale price (1998).
£982,000
Modelled from EPC, postcode comparables.
£230,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
21 The Heath is notably below the street on price per m².
Price per m²
£1,679
Street avg £4,822
Floor Area
137 m²
Street avg 186 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Kitswell Way — bus stop.

Daytime· 07:00 – 23:00
45.8dB

Launch offer
Secure checkout · One-off payment

Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 July 1998Most recent
£230,000
Median price across the last 5 sales in WD7 7DF: £1,080,000 (2024–2017).
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
6.3 t/year
Street avg 7.7 t/year
WD7 7GW
Closest school
1.3 km
St John's Church of England Infant and Nursery School. 6 schools nearby.
Flood risk
Medium
From the Environment Agency.
Night-time· 23:00 – 07:00
39.0dB