Our Data Sources
30, Cornwall Avenue has no recent1 records in the the Land Registry and a single entry in the EPC database dated August 2021.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 30, Cornwall Avenue is in very good condition we estimate a sale value of £656,527 and a rental value of £2,422 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £581,495 and a rental value of £2,145 per month.
Energy Efficiency
30, Cornwall Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Aug 2021.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 30, Cornwall Avenue was last sold on 27th July 2004 for £249,950 and was recorded as a leasehold flat.
The property has had 4 sales since 1995.
- Sold Jul 2004£249,950
- Sold Aug 2003£229,950
- Sold Aug 2001£208,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 30, Cornwall Avenue within a radius of 400 metres over the last 2 years.
The most recent example is Flat 2, 202, Nether Street, London, N3 1JD, a leasehold flat which sold for £667,500 on the 21st November 2025.
Read more about house prices in N3.
- Sold Nov 2025£667,500 | 3 Bed FlatFlat 2, 202, Nether Street, London, N3 1JDFlat 2, 202, Nether Street, London, N3 1JD
- Sold May 2024£560,000 | 3 Bed Flat14, Falkland Avenue, London, N3 1QR14, Falkland Avenue, London, N3 1QR
- Sold Aug 2023£620,000 | 3 Bed FlatFlat 1, 202, Nether Street, London, N3 1JDFlat 1, 202, Nether Street, London, N3 1JD
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Cornwall Avenue, London, N3 has a total of 52 addresses. According to our analysis of all the public data, 30, Cornwall Avenue is the 34th largest and the 34th most expensive property on the street.
When compared to the postcode district it is £113k less expensive than the average property in N3.
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
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












