Our Data Sources
21, Avondale Road, Harrow has a single entry in the Land Registry from February 2008 and a single entry in the EPC database dated September 2009.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
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 21, Avondale Road, Harrow, we estimate a market value of £525,158 and a rental value of £2,364 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £465,140 and £2,094 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Avondale Road, Harrow as measuring 263 m2.
That makes it the 2nd largest plot in the postcode, where 40 of the 41 other houses have recorded plot data.
Energy Efficiency
21, Avondale Road, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 08 Sep 2009.
The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Avondale Road, Harrow completed on 11th February 2008 at £295,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 91.5% over the period since February 2008.
- Sold Feb 2008£295,000
Similar Properties Sold Nearby
Since 2019 172 properties similar to 21, Avondale Road, Harrow have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th January 2026, was 91, Grasmere Gardens, Harrow, HA3 7PS, a freehold house which sold for £530,000.
Read more about house prices in HA3.
- Sold Jan 2026£530,000 | 3 Bed House91, Grasmere Gardens, Harrow, HA3 7PS91, Grasmere Gardens, Harrow, HA3 7PS
- Sold Dec 2025£530,000 | 3 Bed House23, Sancroft Road, Harrow, HA3 7NX23, Sancroft Road, Harrow, HA3 7NX
- Sold Dec 2025£550,000 | 3 Bed House40, Borrowdale Avenue, Harrow, HA3 7PZ40, Borrowdale Avenue, Harrow, HA3 7PZ
- Sold Oct 2025£500,000 | 3 Bed House27, Avondale Road, Harrow, HA3 7RE27, Avondale Road, Harrow, HA3 7RE
- Sold Aug 2025£510,000 | 3 Bed House483, Kenton Lane, Harrow, HA3 7JW483, Kenton Lane, Harrow, HA3 7JW
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 £345,464, ranging from £200,172 to £647,545.
- 21A Avondale Road
2 Bed Flat | 0 m | Est. Value: £316,517
- 21B Avondale Road
3 Bed Flat | 0 m | Est. Value: £331,225
- 22 Avondale Road
3 Bed House | 21 m | Est. Value: £496,558
- 20 Avondale Road
4 Bed House | 28 m | Est. Value: £511,806
- 23 Avondale Road
3 Bed House | 28 m | Est. Value: £457,815
Location Comparison
Of the 51 addresses on Avondale Road, Harrow, HA3, 21, Avondale Road, Harrow comes out as the 42nd largest and the 13th most expensive in our analysis of the public data.
It is also £12k less expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- Belmont School400 m away
- St Joseph's Catholic Primary School600 m away
- Elmgrove Primary School & Nursery800 m away
- The Sacred Heart Language College700 m away
- Salvatorian Roman Catholic College900 m away
- Harrow High School1.8 km away
More reading links
Public Transport Nearby
- Harrow & Wealdstone|600 m away
- Kenton|1.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












