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Get started1 Black Lion Hill is a semi-detached house in Shenley, Radlett, Radlett (WD7 9DE). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2014) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in September 2013 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected.
5 planning records sit against the property, 2 approved, 3 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 93 m² it's 19.8% smaller than the typical home in the postcode (116 m² median across 4 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 15 May 2024
1 Black Lion Hill has been extended on multiple sides of the property across separate planning applications.
Erection of a pair of 2 storey, semi detached, 4 bedroom dwellings to include habitable loft accommodation with Juliet balconies to front and rear elevations at first and second floor levels and detached garage block (comprising 2 garages) to rear with accommodation above.
1 Black Lion Hill has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£546,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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On floor area, 1 Black Lion Hill runs well behind the street norm.
EPC Rating
61 (D)
Street avg 59 (D)
Floor Area
93 m²
Street avg 124 m²
CO₂ Emissions
4.2 t/year
Street avg 5.8 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
48.4dB

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Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Erection of single storey rear extension (Certificate of Lawful Development - Proposed).
3 more applications for this property
See the full planning history in the property report.
Median price across the last 5 sales in WD7 9DE: £398,500 (2021–2004).
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

Habitable Rooms
6 rooms
Street avg 7 rooms
WD7 9JQ
Nell Gwynn Close — bus stop.
Closest school
0.8 km
Clore Shalom School. 5 schools nearby.
Night-time· 23:00 – 07:00
40.0dB