9, Cornwall Avenue
9, Cornwall Avenue
Description & Estimates







9, Cornwall Avenue is described in the public record as a period house with 1,130 ft2 of internal area, sitting on a 163 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 9, Cornwall Avenue is £784,415 and its rental estimate is £3,445 per month, given the available information and assuming reasonable condition.
Cornwall Avenue, London, N3 falls within the N3 postal district, in the borough of Barnet.
Our Data Sources
9, Cornwall Avenue has no records in the the Land Registry and a single entry in the EPC database dated March 2024.
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
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 9, Cornwall Avenue, we estimate a market value of £823,635 and a rental value of £3,617 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £729,506 and £3,204 per month respectively.
Recent Market Change
Over the last year, 9, Cornwall Avenue has seen its estimated sale value move down by £15,523 (2.0%) and its estimated rental value increase by £132 per month (3.8%). This results in an estimated gross rental yield of 5.3%.
Plot Size
HM Land Registry records the plot of land for 9, Cornwall Avenue as measuring 163 m2.
That makes it the 6th largest plot in the postcode, where all 14 other houses have recorded plot data.
Energy Efficiency
9, Cornwall Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 9, Cornwall Avenue have sold within a radius of 400 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th June 2025, was 15, Cornwall Avenue, London, N3 1LH, a freehold house which sold for £825,000.
Read more about house prices in N3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 52 addresses on Cornwall Avenue, London, N3, 9, Cornwall Avenue comes out as the 28th largest and the 25th most expensive in our analysis of the public data.
It is also £47k more expensive than the average property across the N3 district.
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Schools Nearby
- 600mMoss Hall Junior School
- 600mMoss Hall Infant School
- 700mSt Mary's CofE Primary School
- 1.2kmSt Michael's Catholic Grammar School
- 1.5kmBishop Douglass School Finchley
- 1.6kmChrist's College Finchley
More reading links
Public Transport Nearby
From 9, Cornwall Avenue, the nearest station is Finchley Central, 500 metres away.
- 500mFinchley Central
- 500mWest Finchley
- 1.4kmMill Hill East
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

