Our Data Sources
Flat 31, Constantine House 14 has a single entry in the Land Registry from January 2016 and a single entry in the EPC database dated January 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 31, Constantine House 14 would be worth £303,812, with a potential rental value of £1,738 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £269,091, with a rental value of £1,539 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 31, Constantine House 14 has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jan 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Sold Prices
Flat 31, Constantine House 14 last changed hands on 28th January 2016, selling for £250,000. 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 11.4% since January 2016.
- Sold Jan 2016£250,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 343 sales of comparable properties within 170 metres of Flat 31, Constantine House 14 across the last 2 years.
Most recently, Flat 43, Constantine House 14, Boulevard Drive, London, NW9 5XD, a leasehold flat, sold at £288,000 on the 15th April 2026.
Read more about house prices in NW9.
- Sold Apr 2026£288,000 | 1 Bed FlatFlat 43, Constantine House 14, Boulevard Drive, London, NW9 5XDFlat 43, Constantine House 14, Boulevard Drive, London, NW9 5XD
- Sold Mar 2026£256,000 | 1 Bed FlatFlat 32, Constantine House 14, Boulevard Drive, London, NW9 5XDFlat 32, Constantine House 14, Boulevard Drive, London, NW9 5XD
- Sold Nov 2025£315,000 | 1 Bed FlatFlat 12, Carleton House 20, Boulevard Drive, London, NW9 5QFFlat 12, Carleton House 20, Boulevard Drive, London, NW9 5QF
•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 170 metres of Flat 31, Constantine House 14 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 31, Constantine House 14 as the 408th largest and the 403rd most expensive of the 537 addresses on Boulevard Drive, London, NW9.
Against the NW9 postcode district average, it is £148k 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 ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












