Our Data Sources
20, Aston Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated March 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 20, Aston Avenue, Harrow, we estimate a market value of £1,013,910 and a rental value of £3,360 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £898,035 and £2,976 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Aston Avenue, Harrow as measuring 454 m2.
That makes it the 23rd largest plot in the postcode, where all 30 other houses have recorded plot data.
Energy Efficiency
20, Aston Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Mar 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 20, Aston Avenue, Harrow completed on 20th January 1995 at £121,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Jan 1995£121,500
Similar Properties Sold Nearby
Since 2010 129 properties similar to 20, Aston Avenue, Harrow have sold within a radius of 670 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 1st April 2026, was 3, Bulmer Gardens, Harrow, HA3 0PA, a freehold house which sold for £940,000.
Read more about house prices in HA3.
- Sold Apr 2026£940,000 | 5 Bed House3, Bulmer Gardens, Harrow, HA3 0PA3, Bulmer Gardens, Harrow, HA3 0PA
- Sold Sep 2025£910,000 | 4 Bed House106, Woodcock Hill, Harrow, HA3 0JD106, Woodcock Hill, Harrow, HA3 0JD
- Sold Jun 2025£1,000,000 | 4 Bed House75, The Ridgeway, Harrow, HA3 0LW75, The Ridgeway, Harrow, HA3 0LW
- Sold May 2024£885,000 | 5 Bed House8, The Ridgeway, Harrow, HA3 0LL8, The Ridgeway, Harrow, HA3 0LL
- Sold Apr 2024£890,321 | 5 Bed House39, Donnington Road, Harrow, HA3 0NB39, Donnington Road, Harrow, HA3 0NB
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £850,723, ranging from £673,469 to £1,108,345.
- 22 Aston Avenue
5 Bed House | 11 m | Est. Value: £989,578
- 24 Aston Avenue
5 Bed House | 24 m | Est. Value: £723,249
- 26 Aston Avenue
4 Bed House | 34 m | Est. Value: £867,460
- 21 Aston Avenue
5 Bed House | 37 m | Est. Value: £1,108,345
- 23 Aston Avenue
4 Bed House | 38 m | Est. Value: £787,481
Location Comparison
Of the 30 addresses on Aston Avenue, Harrow, HA3, 20, Aston Avenue, Harrow comes out as the 15th largest and the 5th most expensive in our analysis of the public data.
It is also £455k more expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- Mount Stewart Infant School400 m away
- Mount Stewart Junior School500 m away
- Uxendon Manor Primary School900 m away
- St Gregory's Catholic Science College600 m away
- Claremont High School1.2 km away
- Harrow High School1.4 km away
More reading links
Public Transport Nearby
- Northwick Park|700 m away
- Kenton|700 m away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












