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Get startedCopse Farm House is a detached house in Harrow (HA3 6SB). It has a recorded floor area of 208 m² (around 2239 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2023) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 208 m² the property is well over the postcode median (120 m² across 11 EPCs), placing it in the larger end of the local stock. 11 planning records sit against the property, 1 approved, 2 refused. The record references conservation-area consent, which constrain future alterations.
Copse Farm House's carbon output runs well above what efficient homes in the postcode produce.
A a single-storey rear extension application was refused at Copse Farm House in 2025.
Extension: Single storey · Rear of property
Certificate of Lawful Development (Proposed): Single storey rear extension
Copse Farm House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,127,000
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
Copse Farm House outperforms the street on epc rating by a wide margin.
EPC Rating
64 (D)
Street avg 55 (D)
Floor Area
208 m²
Street avg 138 m²
CO₂ Emissions
7.8 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
48.6dB

Certificate of lawful development (existing): use of indoor paddock as storage (use class b8)
9 more applications for this property
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Median price across the last 5 sales in HA3 6SB: £860,000 (2019–2007).
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Detailed EPC data
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Street avg 7.0 t/year
Habitable Rooms
8 rooms
Street avg 6 rooms
HA3 6ST
Clamp Hill — bus stop.
Closest school
0.8 km
Hujjat Primary School. 24 schools nearby.
Night-time· 23:00 – 07:00
40.8dB