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Get started4 Aston Avenue is a four-bedroom semi-detached house in Harrow (HA3 0DB). It has a recorded floor area of 266 m² (around 2863 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (February 2022) shows a C (score 71). When first surveyed in March 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81).
Sale prices here have outpaced Harrow HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £1,080,000 is 20% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£314/sq ft) was about 78.5% above the typical sold price in the postcode. At 266 m² the property is well over the postcode median (164 m² across 10 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Most recent transfer: January 2023 at £900,000. Across the public record there are 4 sales, relatively high churn for a single property. 5 planning records sit against the property, 2 approved, 3 refused. Past consents include an extension, meaningful when judging how the property has evolved.
4 Aston Avenue's carbon output runs well above what efficient homes in the postcode produce.
4 Aston Avenue has 2 separate extension applications on the council record.
Sale price has grown by over 3x since 1999.
£1,080,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 24 years.
£900,000
Growth on file: 5.1% per year over 24 years.
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4 Aston Avenue outperforms the street on floor area by a wide margin.
Price per m²
£3,383
Street avg £3,531
Floor Area
266 m²
Street avg 165 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
Draycott Avenue/ Woodcock Hill — bus stop.

Daytime· 07:00 – 23:00
49.0dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Fuel source changed
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Rear of property
Erection of a rear glazed roof canopy attached to rear of dwellinghouse
Extension: Rear of property
Proposed a glass lean-to roof to cover the area to the rear of the extension of dwellinghouse
3 more applications for this property
Join to see all planning history.
26 January 2023Most recent
£900,000
+9.8%over 2 years11 December 2020
£820,000
+30.2%over 11 years5 December 2009
£630,000
+125.0%over 10 years9 July 1999
£279,950
Median price across the last 5 sales in HA3 0DB: £800,000 (2024–2017).
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Detailed EPC data
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Full planning history
Every application and decision on record
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Street avg 7 rooms
CO₂ Emissions
7.5 t/year
Street avg 8.0 t/year
HA3 0NQ
Closest school
0.4 km
Mount Stewart Infant School. 42 schools nearby.
Night-time· 23:00 – 07:00
38.8dB