Our Data Sources
21, Longfield Avenue has 21 entries in the Land Registry , most recently in September 2012 and a single entry in the EPC database dated June 2012.
We combine this information with that 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
In very good condition, we estimate 21, Longfield Avenue would be worth £838,759, with a potential rental value of £3,792 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £742,901, with a rental value of £3,359 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Longfield Avenue occupies a 246 m2 plot as recorded by HM Land Registry.
Of the 33 other houses in this postcode, 31 have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
21, Longfield Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jun 2012.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Longfield Avenue last changed hands on 12th September 2012, selling for £530,000. 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 73.8% since September 2012.
- Sold Sep 2012£530,000
- Sold Dec 1997£187,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 54 sales of comparable properties within 630 metres of 21, Longfield Avenue across the last 2 years.
Most recently, 34, Longfield Avenue, London, NW7 2EG, a freehold house, sold at £737,500 on the 25th March 2026.
Read more about house prices in NW7.
- Sold Mar 2026£737,500 | 4 Bed House34, Longfield Avenue, London, NW7 2EG34, Longfield Avenue, London, NW7 2EG
- Sold Dec 2024£528,000 | 4 Bed House7, Tithe Close, London, NW7 2QD7, Tithe Close, London, NW7 2QD
- Sold Nov 2023£825,000 | 4 Bed House3, Longfield Avenue, London, NW7 2EH3, Longfield Avenue, London, NW7 2EH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Longfield Avenue as the 8th largest and the 17th most expensive of the 83 addresses on Longfield Avenue, London, NW7.
Against the NW7 postcode district average, it is £94k more 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 Girls200 m away
- Copthall School400 m away
- St James' Catholic High School600 m away
More reading links
Public Transport Nearby
- Mill Hill Broadway|1.3 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.
