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Get started6 Churchill Avenue is a six-bedroom semi-detached house in Harrow (HA3 0AY). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (October 2025) shows a D (score 58), a step below the typical UK home. When first surveyed in July 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 79).
Untraded for 29 years, with the last transfer in July 1997. 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 £741,000 sits 411% above the 1997 sale of £145,000. On a £-per-square-foot basis, the last sale (£102/sq ft) was about 73% below the postcode norm. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count.
6 Churchill Avenue's carbon output runs well above what efficient homes in the postcode produce.
Latest sale on 6 Churchill Avenue was the lowest on Land Registry record across the postcode.
£741,000
Modelled from EPC, postcode comparables.
£145,000
Recorded with HM Land Registry.
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On years held, 6 Churchill Avenue stands well clear of the street.
Price per m²
£1,098
Street avg £3,904
Floor Area
132 m²
Street avg 169 m²
Habitable Rooms
9 rooms
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
Northwick Park Station — bus stop.

Daytime· 07:00 – 23:00
50.1dB

Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Loft insulation installed or upgraded to 250mm+
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 July 1997Most recent
£145,000
Median price across the last 5 sales in HA3 0AY: £662,075 (2024–2013).
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Street avg 8 rooms
CO₂ Emissions
6.0 t/year
Street avg 6.2 t/year
HA3 0UT
Closest school
0.8 km
Harrow High School. 42 schools nearby.
Night-time· 23:00 – 07:00
40.2dB