Our Data Sources
21, Derwent Avenue has 2 entries in the Land Registry , most recently in September 2025 and a single entry in the EPC database dated May 2025.
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 21, Derwent Avenue would be worth £939,442, with a potential rental value of £3,983 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £832,077, with a rental value of £3,528 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Derwent Avenue occupies a 340 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 13th largest.
Energy Efficiency
21, Derwent Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, LPG.
Sold Prices
21, Derwent Avenue last changed hands on 12th September 2025, selling for £1,000,000. 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 0.2% since September 2025.
- Sold Sep 2025£1,000,000
- Sold Aug 2014£575,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 94 sales of comparable properties within 480 metres of 21, Derwent Avenue across the last 2 years.
Most recently, 65, Hale Lane, London, NW7 3PU, a freehold house, sold at £930,000 on the 14th February 2025.
Read more about house prices in NW7.
- Sold Feb 2025£930,000 | 4 Bed House65, Hale Lane, London, NW7 3PU65, Hale Lane, London, NW7 3PU
- Sold Nov 2023£938,850 | 4 Bed House30, Derwent Avenue, London, NW7 3DZ30, Derwent Avenue, London, NW7 3DZ
- Sold Mar 2023£965,000 | 4 Bed House35, Delamere Gardens, London, NW7 3EA35, Delamere Gardens, London, NW7 3EA
•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 21, Derwent Avenue as the 7th largest and the 5th most expensive of the 32 addresses on Derwent Avenue, London, NW7.
Against the NW7 postcode district average, it is £190k more expensive than the typical property.
More reading links
Schools Nearby
- The Annunciation RC Junior School200 m away
- Deansbrook Infant School300 m away
- Deansbrook Junior School300 m away
- Saracens High School1.6 km away
- Copthall School1.8 km away
- St James' Catholic High School1.8 km away
More reading links
Public Transport Nearby
- Mill Hill Broadway|500 m away
- Edgware|1.3 km away
- Burnt Oak|1.3 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.
