Our Data Sources
6, Thornfield Avenue has a single entry in the Land Registry from July 2009 and a single entry in the EPC database dated October 2008.
We combine this information with that 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
In very good condition, we estimate 6, Thornfield Avenue would be worth £742,016, with a potential rental value of £3,344 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £657,214, with a rental value of £2,962 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
6, Thornfield Avenue occupies a 284 m2 plot as recorded by HM Land Registry.
All 12 other houses in this postcode have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
6, Thornfield Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Oct 2008.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
6, Thornfield Avenue last changed hands on 24th July 2009, selling for £360,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 71.5% since July 2009.
- Sold Jul 2009£360,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 97 sales of comparable properties within 610 metres of 6, Thornfield Avenue across the last 2 years.
Most recently, 49, Abercorn Road, London, NW7 1JN, a freehold house, sold at £700,000 on the 27th March 2026.
Read more about house prices in NW7.
- Sold Mar 2026£700,000 | 3 Bed House49, Abercorn Road, London, NW7 1JN49, Abercorn Road, London, NW7 1JN
- Sold Mar 2026£795,553 | 3 Bed House173, Holders Hill Road, London, NW7 1ND173, Holders Hill Road, London, NW7 1ND
- Sold Jul 2019£707,500 | 3 Bed House127, Dollis Road, London, NW7 1JX127, Dollis Road, London, NW7 1JX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 6, Thornfield Avenue as the 14th largest and the 19th most expensive of the 24 addresses on Thornfield Avenue, London, NW7.
Against the NW7 postcode district average, it is £2k more expensive than the typical property.
More reading links
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
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.












