Our Data Sources
20, Southdown Avenue has a single entry in the Land Registry from October 2017 and a single entry in the EPC database dated May 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 20, Southdown Avenue, we estimate a market value of £1,027,838 and a rental value of £3,335 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £910,371 and £2,954 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Southdown Avenue as measuring 270 m2.
That makes it the 9th largest plot in the postcode, where all 20 other houses have recorded plot data.
Energy Efficiency
20, Southdown Avenue has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 25 May 2017.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Sold Prices
The most recent sale of 20, Southdown Avenue completed on 25th October 2017 at £775,000 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 0.6% over the period since October 2017.
- Sold Oct 2017£775,000
Similar Properties Sold Nearby
Over the past 2 years 175 properties similar to 20, Southdown Avenue have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st October 2025, was 16, Southdown Avenue, London, W7 2AQ, a freehold house which sold for £1,050,000.
Read more about house prices in W7.
- Sold Oct 2025£1,050,000 | 4 Bed House16, Southdown Avenue, London, W7 2AQ16, Southdown Avenue, London, W7 2AQ
- Sold Nov 2024£1,025,000 | 4 Bed House23, Chalfont Way, London, W13 9XN23, Chalfont Way, London, W13 9XN
- Sold Nov 2021£725,000 | 4 Bed House22, Southdown Avenue, London, W7 2AQ22, Southdown Avenue, London, W7 2AQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to 20, Southdown Avenue, all within 690 metres.
The latest, in October 2025, was 16, Burnham Way, London, W13 9YE, a freehold house let by Leslie & Co.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Of the 111 addresses on Southdown Avenue, London, W7, 20, Southdown Avenue comes out as the 80th largest and the 41st most expensive in our analysis of the public data.
It is also £428k more expensive than the average property across the W7 district.
More reading links
Schools Nearby
- Fielding Primary School600 m away
- Oaklands Primary School900 m away
- Our Lady and St John's Catholic Primary School1.2 km away
- Elthorne Park High School300 m away
- Bolder Academy1.0 km away
- Gunnersbury Catholic School1.0 km away
More reading links
Public Transport Nearby
- Boston Manor|300 m away
- Northfields|900 m away
- South Ealing|1.5 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
