Our Data Sources
40, Longfield Avenue has 21 entries in the Land Registry , most recently in May 2025 and a single entry in the EPC database dated July 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 40, Longfield Avenue would be worth £703,718, with a potential rental value of £3,306 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £623,293, with a rental value of £2,928 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Longfield Avenue occupies a 372 m2 plot as recorded by HM Land Registry.
Of the 33 other houses in this postcode, 32 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
40, Longfield Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 19 Jul 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
40, Longfield Avenue last changed hands on 9th May 2025, selling for £740,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 3.0% since May 2025.
- Sold May 2025£740,000
- Sold Nov 1999£145,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 150 sales of comparable properties within 600 metres of 40, Longfield Avenue across the last 2 years.
Most recently, 22, Tithe Close, London, NW7 2QD, a freehold house, sold at £705,000 on the 28th March 2025.
Read more about house prices in NW7.
- Sold Mar 2025£705,000 | 3 Bed House22, Tithe Close, London, NW7 2QD22, Tithe Close, London, NW7 2QD
- Sold Nov 2020£620,000 | 3 Bed House44, Longfield Avenue, London, NW7 2EG44, Longfield Avenue, London, NW7 2EG
- Sold Jan 2020£689,950 | 4 Bed House42, Longfield Avenue, London, NW7 2EG42, Longfield Avenue, London, NW7 2EG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 40, Longfield Avenue as the 43rd largest and the 42nd most expensive of the 83 addresses on Longfield Avenue, London, NW7.
Against the NW7 postcode district average, it is £35k less expensive than the typical property.
More reading links
Schools Nearby
- Blessed Dominic Catholic Primary School600 m away
- The Orion Primary School800 m away
- Dollis Primary School900 m away
- Hasmonean High School for Girls300 m away
- Copthall School400 m away
- St James' Catholic High School600 m away
More reading links
Public Transport Nearby
- Mill Hill Broadway|1.2 km away
- Colindale|1.5 km away
- Mill Hill East|1.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












