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40, Thonrey Close is recorded publicly as a modern leasehold apartment across 1,560 ft2 of internal area.
Locally, apartments of this size normally have 4 bedrooms.
Our estimate of the sale value of 40, Thonrey Close is £642,721 and its rental estimate is £3,514 per month, given the available information and assuming reasonable condition.
Thonrey Close, London, NW9 falls within the NW9 postal district, in the borough of Barnet.
40, Thonrey Close has 2 entries in the Land Registry , most recently in April 2025 and a single entry in the EPC database dated April 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
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 40, Thonrey Close, we estimate a market value of £674,857 and a rental value of £3,690 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £597,731 and £3,268 per month respectively.
Over the last year, 40, Thonrey Close has seen its estimated sale value decrease by £20,688 (3.2%) and its estimated rental value grow by £84 per month (2.4%). This results in an estimated gross rental yield of 6.6%.
40, Thonrey Close has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 24 Apr 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using Community scheme.
The most recent sale of 40, Thonrey Close completed on 30th April 2025 at £887,200 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 6.4% over the period since April 2025.
Over the past 2 years 3 properties similar to 40, Thonrey Close have sold within a radius of 360 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th September 2025, was 3, Felar Walk, London, NW9 4EF, a leasehold flat which sold for £745,000.
Read more about house prices in NW9.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 195 addresses on Thonrey Close, London, NW9, 40, Thonrey Close comes out as the 2nd largest and the 17th most expensive in our analysis of the public data.
It is also £201k more expensive than the average property across the NW9 district.
From 40, Thonrey Close, the nearest station is Colindale, 500 metres away.
The flood risk here is rated very low, based on Environment Agency data.
The recent census recorded whether a resident owned or rented their home.
In the area around 40, Thonrey Close, % of property is and % is .
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 40, Thonrey Close, 0.0% of residents are recorded as possessing school level qualifications and 0.0% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 40, Thonrey Close, 0.0% of property was a second home.
Comparison figures for Greater London and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 40, Thonrey Close, there are an average of 0.0 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.