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Get started25 Aston Avenue is a three-bedroom detached house in Harrow (HA3 0DB). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (June 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 78), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Harrow HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £794,000 is 22.2% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£623/sq ft) was about 182.9% above the typical sold price in the postcode. At 97 m² it sits well below the postcode median (183 m² across 10 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include a loft conversion, an extension and partial demolition, meaningful when judging how the property has evolved. Most recent transfer: May 2020 at £650,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
A partial demolition application was refused at 25 Aston Avenue in 2023.
Proposed rear dormer window to the dwellinghouse
25 Aston Avenue has more than quadrupled in price since its earliest registered sale in 1997.
£794,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 23 years.
£650,000
Growth on file: 6.5% per year over 23 years.
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Detailed AI analysis
25 Aston Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£6,701
Street avg £3,162
Floor Area
97 m²
Street avg 182 m²
Habitable Rooms
5 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
Draycott Avenue/ Woodcock Hill — bus stop.

Daytime· 07:00 – 23:00
49.0dB

Extension: Part single, part two storey · Side and rear of property
Proposed demolition of garage, utility room and chimney stacks. Proposed erection of two storey side extension, part two storey part single storey rear extension, rear patio extension, replacement of existing roof with a new roof (roof ridge raised by 0.8m), insertion of flank windows and installation of 6x rooflights to dwellinghouse (amended).
2 more applications for this property
Join to see all planning history.
29 May 2020Most recent
£650,000
+326.2%over 22 years23 June 1997
£152,500
Median price across the last 5 sales in HA3 0DB: £900,000 (2024–2017).
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Street avg 7 rooms
CO₂ Emissions
5.4 t/year
Street avg 8.2 t/year
HA3 0NQ
Closest school
0.4 km
Mount Stewart Infant School. 42 schools nearby.
Night-time· 23:00 – 07:00
38.8dB