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Get started18 Boniface Gardens is a semi-detached house in Harrow (HA3 6PH). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2016) shows a C (score 70). When first surveyed in February 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 85). The latest certificate is from January 2016, so improvements made since then won't be reflected.
One historical planning record sits against the property in 2015.
This certificate is over 10 years old and is no longer valid.Expired 29 Jan 2026
Replacement of windows/door and external wall insulation
18 Boniface Gardens has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£471,000
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
CO₂ Emissions for 18 Boniface Gardens runs comfortably ahead of the street norm.
EPC Rating
70 (C)
Street avg 60 (D)
Floor Area
82 m²
Street avg 90 m²
CO₂ Emissions
2.8 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Bannister Playing Fields — bus stop.

Daytime· 07:00 – 23:00
52.7dB

Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Window efficiency improved
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in HA3 6PH: £400,000 (2024–2013).
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Street avg 4.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Closest school
0.2 km
Hatch End High School. 25 schools nearby.
Night-time· 23:00 – 07:00
42.9dB