Our Data Sources
4, Thornfield Avenue has no records in the the Land Registry and a single entry in the EPC database dated December 2017.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 4, Thornfield Avenue, we estimate a market value of £770,247 and a rental value of £3,437 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £682,218 and £3,045 per month respectively.
Plot Size
HM Land Registry records the plot of land for 4, Thornfield Avenue as measuring 252 m2.
That makes it the 11th largest plot in the postcode, where all 12 other houses have recorded plot data.
Energy Efficiency
4, Thornfield Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Dec 2017.
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 96 properties similar to 4, Thornfield Avenue have sold within a radius of 610 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th March 2026, was 173, Holders Hill Road, London, NW7 1ND, a freehold house which sold for £795,553.
Read more about house prices in NW7.
- Sold Mar 2026£795,553 | 3 Bed House173, Holders Hill Road, London, NW7 1ND173, Holders Hill Road, London, NW7 1ND
- Sold Nov 2025£815,000 | 3 Bed House73, Devonshire Road, London, NW7 1DR73, Devonshire Road, London, NW7 1DR
- Sold Apr 2023£857,500 | 3 Bed House15, Thornfield Avenue, London, NW7 1LT15, Thornfield Avenue, London, NW7 1LT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 24 addresses on Thornfield Avenue, London, NW7, 4, Thornfield Avenue comes out as the 9th largest and the 17th most expensive in our analysis of the public data.
It is also £29k more expensive than the average property across the NW7 district.
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Schools Nearby
- St Mary's CofE Primary School400 m away
- Millbrook Park Primary School700 m away
- Pardes House Primary School800 m away
- Hasmonean High School for Boys1.0 km away
- Hasmonean High School for Girls1.9 km away
- Copthall School1.9 km away
More reading links
Public Transport Nearby
- Mill Hill East|600 m away
- Finchley Central|1.0 km away
- West Finchley|1.4 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.












