Our Data Sources
4, Blair Avenue has 21 entries in the Land Registry , most recently in January 2009 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.
Price Range & Condition
In very good condition, we estimate 4, Blair Avenue would be worth £606,313, with a potential rental value of £3,294 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £537,020, with a rental value of £2,918 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Blair Avenue occupies a 238 m2 plot as recorded by HM Land Registry.
All 10 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
4, Blair Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Apr 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
4, Blair Avenue last changed hands on 30th January 2009, selling for £249,950. 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 90.2% since January 2009.
- Sold Jan 2009£249,950
- Sold Oct 1995£115,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 78 sales of comparable properties within 750 metres of 4, Blair Avenue across the last 2 years.
Most recently, 11, Parkfields Avenue, London, NW9 7PG, a freehold house, sold at £660,000 on the 17th November 2025.
Read more about house prices in NW9.
- Sold Nov 2025£660,000 | 4 Bed House11, Parkfields Avenue, London, NW9 7PG11, Parkfields Avenue, London, NW9 7PG
- Sold Mar 2025£612,000 | 4 Bed House80, Kinloch Drive, London, NW9 7JX80, Kinloch Drive, London, NW9 7JX
- Sold Feb 2025£565,000 | 4 Bed House16, Doreen Avenue, London, NW9 7NX16, Doreen Avenue, London, NW9 7NX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 1 letting within 750 metres of 4, Blair Avenue across the last 2 years.
The newest of these is 68, Kingsmead Avenue, London, NW9 7NN, a freehold house let by Jorgensen Turner in July 2024.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks 4, Blair Avenue as the 2nd largest and the 3rd most expensive of the 16 addresses on Blair Avenue, London, NW9.
Against the NW9 postcode district average, it is £140k more expensive than the typical property.
More reading links
Schools Nearby
- Fryent Primary School800 m away
- The Hyde School1.0 km away
- Oliver Goldsmith Primary School1.1 km away
- E-ACT Crest Academy1.4 km away
- Menorah High School for Girls1.6 km away
- JFS2.1 km away
More reading links
Public Transport Nearby
- Hendon|1.2 km away
- Brent Cross West|1.9 km away
- Hendon Central|2.1 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.












