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Get started57 Northwick Avenue is a detached house in Harrow (HA3 0AU). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (February 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).
11 planning records sit against the property, 8 approved, 3 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £852,000 is 12.8% above the 2020 sale price. Sold November 2020 for £755,000.
A a loft conversion application was refused at 57 Northwick Avenue in 2023.
Extension: Single storey · Rear of property
Proposed conversion of garage into habitable room and replacement of garage door with window, single storey rear extension with 3x new windows to the ground floor side elevation, rear dormer window with Juliet balcony and 2x front rooflights, replacement of front door to accommodate the conversion of a single dwelling into 4x self-contained flats with divided amenity space and associated refuse and bike storage .
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£852,000
Modelled from EPC, postcode comparables.
£755,000
Recorded with HM Land Registry.
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Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Northwick Park Station — tram stop.

Daytime· 07:00 – 23:00
49.8dB

Extension: Single storey · Rear of property
Proposed conversion of dwellinghouse to 4x self-contained flats, conversion of garage to habitable space, with replacement of garage door with window, single storey rear extension, rear dormer window roof extension, replacement of front door, three new ground floor side windows, sub-division of rear amenity space and associated refuse and bike storage
9 more applications for this property
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13 November 2020Most recent
£755,000
Median price across the last 2 sales in HA3 0AU: £595,000 (2011–1996).
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HA3 0DX
Closest school
0.8 km
Harrow High School. 40 schools nearby.
Night-time· 23:00 – 07:00
40.0dB