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Get started20 High Firs is a two-bedroom end-of-terrace house in Radlett (WD7 8BH). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (April 2013) shows a C (score 72). When first surveyed in September 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good; while lighting dropped from Poor to Very Poor. The latest certificate is from April 2013, so improvements made since then won't be reflected. At 110 m² this is the 27th smallest of 32 units on EPC record in the building, where floor areas span 91–118 m². The building's EPC ratings span E to B across 32 units on file.
Sale prices here have outpaced England HPI: 30% per year against 0% for the wider region. Today's modelled estimate of £597,000 is 10.6% above the 2013 sale price. 13 years since the last transfer (September 2013).
20 High Firs's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 18 Apr 2023
20 High Firs changed hands twice within eighteen months — unusual for the area.
£597,000
Modelled from EPC, postcode comparables and a sale-price growth of 30.0% per year over 1 year.
£540,000
Growth on file: 30.0% per year over 1 year.
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20 High Firs outperforms the street on floor area by a wide margin.
Price per m²
£4,909
Street avg £5,346
Floor Area
110 m²
Street avg 104 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Newlands Avenue — bus stop.

Daytime· 07:00 – 23:00
47.7dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation upgraded
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 September 2013Most recent
£540,000
+35.0%over 1 year1 August 2012
£400,000
Median price across the last 5 sales in WD7 8BH: £628,000 (2025–2024).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
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Comparable sales, transport, crime, schools and more

Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.1 t/year
WD7 8LQ
Closest school
0.4 km
St John's Church of England Infant and Nursery School. 4 schools nearby.
Night-time· 23:00 – 07:00
39.3dB