Our Data Sources
Flat 18, Constantine House 14 has a single entry in the Land Registry from January 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 18, Constantine House 14 would be worth £345,698, with a potential rental value of £1,999 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £306,190, with a rental value of £1,771 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 18, Constantine House 14 has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Apr 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 18, Constantine House 14 last changed hands on 4th January 2016, selling for £274,000. 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 14.2% since January 2016.
- Sold Jan 2016£274,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 334 sales of comparable properties within 170 metres of Flat 18, Constantine House 14 across the last 2 years.
Most recently, Flat 11, Cavendish House 6, Boulevard Drive, London, NW9 5QG, a leasehold flat, sold at £315,000 on the 29th April 2026.
Read more about house prices in NW9.
- Sold Apr 2026£315,000 | 1 Bed FlatFlat 11, Cavendish House 6, Boulevard Drive, London, NW9 5QGFlat 11, Cavendish House 6, Boulevard Drive, London, NW9 5QG
- 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 Aug 2025£400,000 | 2 Bed FlatFlat 15, Amelia House 11, Boulevard Drive, London, NW9 5JPFlat 15, Amelia House 11, Boulevard Drive, London, NW9 5JP
•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 18, 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 18, Constantine House 14 as the 334th largest and the 268th most expensive of the 537 addresses on Boulevard Drive, London, NW9.
Against the NW9 postcode district average, it is £108k 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.












