Our Data Sources
20, Cornwall Avenue has no records in the the Land Registry and a single entry in the EPC database dated February 2014.
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.
Price Range & Condition
In very good condition, we estimate 20, Cornwall Avenue would be worth £931,445, with a potential rental value of £3,843 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £824,994, with a rental value of £3,404 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Cornwall Avenue occupies a 141 m2 plot as recorded by HM Land Registry.
Of the 12 other houses in this postcode, 11 have recorded plot sizes, and this one ranks as the 13th largest.
Energy Efficiency
20, Cornwall Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Feb 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 390 metres of 20, Cornwall Avenue across the last 2 years.
Most recently, 2, Willow Way, London, N3 2PL, a freehold house, sold at £950,000 on the 27th January 2026.
Read more about house prices in N3.
- Sold Jan 2026£950,000 | 4 Bed House2, Willow Way, London, N3 2PL2, Willow Way, London, N3 2PL
- Sold Jun 2025£825,000 | 4 Bed House15, Cornwall Avenue, London, N3 1LH15, Cornwall Avenue, London, N3 1LH
- Sold Feb 2024£845,000 | 3 Bed House14, Claverley Grove, London, N3 2DH14, Claverley Grove, London, N3 2DH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Cornwall Avenue as the 24th largest and the 19th most expensive of the 52 addresses on Cornwall Avenue, London, N3.
Against the N3 postcode district average, it is £149k more expensive than the typical property.
More reading links
Schools Nearby
- 600mMoss Hall Junior School
- 600mMoss Hall Infant School
- 600mSt Mary's CofE Primary School
- 1.2kmSt Michael's Catholic Grammar School
- 1.6kmBishop Douglass School Finchley
- 1.6kmChrist's College Finchley
More reading links
Public Transport Nearby
- 500mWest Finchley
- 500mFinchley Central
- 1.3kmMill Hill East
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












