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Get started20 Dovedale Avenue is a four-bedroom semi-detached house in Harrow (HA3 0DX). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (August 2019) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump.
5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Today's modelled estimate of £911,000 is 24.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£463/sq ft) was about 28.8% above the typical sold price in the postcode. Last sale on file: £732,500 in January 2020.
20 Dovedale Avenue's carbon output runs well above what efficient homes in the postcode produce.
20 Dovedale Avenue has been through 5 approved planning applications — a well-evolved property.
Extension: Single storey
Proposed front porch and single storey rear and side extension including re-tiling of the original roof and two off-street car parking spaces with soft landscaping reduction and front boundary wall alterations to the dwellinghouse
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£911,000
Modelled from EPC, postcode comparables.
£732,500
Recorded with HM Land Registry.
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Detailed AI analysis
20 Dovedale Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£4,983
Street avg £4,225
Floor Area
147 m²
Street avg 154 m²
Habitable Rooms
6 rooms
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
Dovedale Avenue — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Extension: Single storey
Proposed demolition of existing rear storage structure, erection of single storey side extension, single storey part rear infill extension, erection of front porch and replacement of main roof tiles to dwellinghouse.
3 more applications for this property
Join to see all planning history.
6 January 2020Most recent
£732,500
Median price across the last 5 sales in HA3 0DX: £700,000 (2025–2010).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 7 rooms
CO₂ Emissions
7.3 t/year
Street avg 7.4 t/year
HA3 0LP
Closest school
0.3 km
St Gregory's Catholic Science College. 50 schools nearby.
Night-time· 23:00 – 07:00
40.6dB