Our Data Sources
Flat 21, Carleton House 20 has a single entry in the Land Registry from May 2016 and a single entry in the EPC database dated April 2026.
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 Flat 21, Carleton House 20 would be worth £335,777, with a potential rental value of £2,027 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £297,402, with a rental value of £1,795 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 21, Carleton House 20 has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Apr 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Sold Prices
Flat 21, Carleton House 20 last changed hands on 5th May 2016, selling for £319,950. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 16.4% since May 2016.
- Sold May 2016£319,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 289 sales of comparable properties within 170 metres of Flat 21, Carleton House 20 across the last 2 years.
Most recently, Flat 1, Argent House 3, Beaufort Square, London, NW9 4BP, a leasehold flat, sold at £315,000 on the 9th February 2026.
Read more about house prices in NW9.
- Sold Feb 2026£315,000 | 2 Bed FlatFlat 1, Argent House 3, Beaufort Square, London, NW9 4BPFlat 1, Argent House 3, Beaufort Square, London, NW9 4BP
- Sold Oct 2024£310,000 | 2 Bed FlatFlat 14, Carleton House 20, Boulevard Drive, London, NW9 5QFFlat 14, Carleton House 20, Boulevard Drive, London, NW9 5QF
- Sold Feb 2024£310,000 | 2 Bed FlatFlat 7, Carleton House 20, Boulevard Drive, London, NW9 5QFFlat 7, Carleton House 20, Boulevard Drive, London, NW9 5QF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Agents in our network have reported 1 letting of a comparable property within 170 metres of Flat 21, Carleton House 20 across the last 2 years.
The newest of these is Flat 35, Carleton House 20, Boulevard Drive, London, NW9 5QF, a leasehold flat let by Fine Living in March 2022.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks Flat 21, Carleton House 20 as the 342nd largest and the 280th most expensive of the 537 addresses on Boulevard Drive, London, NW9.
Against the NW9 postcode district average, it is £118k less expensive than the typical property.
More reading links
Schools Nearby
- Blessed Dominic Catholic Primary School600 m away
- Sunnyfields Primary School800 m away
- Colindale Primary School900 m away
- St James' Catholic High School600 m away
- Saracens High School700 m away
- Hasmonean High School for Girls1.0 km away
More reading links
Public Transport Nearby
- Colindale|600 m away
- Hendon Central|1.7 km away
- Hendon|1.7 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












