Our Data Sources
21, Cornwallis Avenue has no records in the the Land Registry and a single entry in the EPC database dated November 2022.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, Cornwallis Avenue would be worth £310,978, with a potential rental value of £1,796 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £275,437, with a rental value of £1,591 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Cornwallis Avenue occupies a 117 m2 plot as recorded by HM Land Registry.
Of the 27 other houses in this postcode, 26 have recorded plot sizes, and this one ranks as the 18th largest.
Energy Efficiency
21, Cornwallis Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Nov 2022.
The property is connected to mains gas and has some double glazing. 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 360 metres of 21, Cornwallis Avenue across the last 2 years.
Most recently, 51, Cornwallis Avenue, London, N9 0JH, a freehold house, sold at £242,883 on the 17th October 2025.
Read more about house prices in N9.
- Sold Oct 2025£242,883 | 3 Bed House51, Cornwallis Avenue, London, N9 0JH51, Cornwallis Avenue, London, N9 0JH
- Sold Jun 2014£265,000 | 3 Bed House49, Cornwallis Avenue, London, N9 0JH49, Cornwallis Avenue, London, N9 0JH
- Sold Nov 2010£233,000 | 3 Bed House35, Cornwallis Avenue, London, N9 0JH35, Cornwallis Avenue, London, N9 0JH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Cornwallis Avenue as the 20th largest and the 39th most expensive of the 52 addresses on Cornwallis Avenue, London, N9.
Against the N9 postcode district average, it is £71k less expensive than the typical property.
More reading links
Schools Nearby
- 400mSt Edmund's Catholic Primary School
- 500mEldon Primary School
- 800mDelta Primary School
- 800mAIM Academy North London
- 1.6kmThe Latymer School
- 2.1kmHeron Hall Academy
More reading links
Public Transport Nearby
- 700mEdmonton Green
- 1.7kmSilver Street
- 1.7kmMeridian Water
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a low risk of flooding.












