Our Data Sources
Flat 40, Constantine House 14 has a single entry in the Land Registry from February 2016 and a single entry in the EPC database dated February 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 40, Constantine House 14 would be worth £400,997, with a potential rental value of £2,260 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £355,169, with a rental value of £2,002 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 40, Constantine House 14 has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Feb 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 40, Constantine House 14 last changed hands on 4th February 2016, selling for £386,151. 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 13.3% since February 2016.
- Sold Feb 2016£386,151
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 170 metres of Flat 40, Constantine House 14 across the last 2 years.
Most recently, Flat 16, Constantine House 14, Boulevard Drive, London, NW9 5XD, a leasehold flat, sold at £360,000 on the 15th December 2025.
Read more about house prices in NW9.
- Sold Dec 2025£360,000 | 2 Bed FlatFlat 16, Constantine House 14, Boulevard Drive, London, NW9 5XDFlat 16, Constantine House 14, Boulevard Drive, London, NW9 5XD
- Sold Mar 2025£440,000 | 2 Bed FlatFlat 23, Ascent House 35, Boulevard Drive, London, NW9 5QZFlat 23, Ascent House 35, Boulevard Drive, London, NW9 5QZ
- Sold Mar 2025£446,000 | 2 Bed FlatFlat 32, Ascent House 35, Boulevard Drive, London, NW9 5QZFlat 32, Ascent House 35, Boulevard Drive, London, NW9 5QZ
•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 40, 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 40, Constantine House 14 as the 182nd largest and the 171st most expensive of the 537 addresses on Boulevard Drive, London, NW9.
Against the NW9 postcode district average, it is £60k less expensive than the typical property.
More reading links
Schools Nearby
- 600mBlessed Dominic Catholic Primary School
- 800mSunnyfields Primary School
- 900mColindale Primary School
- 600mSt James' Catholic High School
- 700mSaracens High School
- 1.0kmHasmonean High School for Girls
More reading links
Public Transport Nearby
- 600mColindale
- 1.7kmHendon Central
- 1.7kmHendon
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.












