Our Data Sources
Flat 20, Constantine House 14 has a single entry in the Land Registry from January 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 20, Constantine House 14 is in very good condition we estimate a sale value of £299,697 and a rental value of £1,718 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £265,446 and a rental value of £1,521 per month.
Energy Efficiency
Flat 20, Constantine House 14 has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Feb 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Sold Prices
According to HM Land Registry, Flat 20, Constantine House 14 was last sold on 29th January 2016 for £259,999 and was recorded as a leasehold flat.
The property has only had this single sale since 1995.
Since January 2016, the market for similar properties has dropped by 11.4%.
- Sold Jan 2016£259,999
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 328 sales of properties similar to Flat 20, Constantine House 14 within a radius of 170 metres over the last 2 years.
The most recent example is Flat 43, Constantine House 14, Boulevard Drive, London, NW9 5XD, a leasehold flat which sold for £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 Jan 2026£290,000 | 1 Bed FlatFlat 31, Carleton House 20, Boulevard Drive, London, NW9 5QFFlat 31, 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
Our network of Estate Agents reports 1 let within 170 metres of Flat 20, Constantine House 14 over the last 2 years.
Most recently, Flat 35, Carleton House 20, Boulevard Drive, London, NW9 5QF, a leasehold flat, was let by Fine Living in March 2022.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Boulevard Drive, London, NW9 has a total of 537 addresses. According to our analysis of all the public data, Flat 20, Constantine House 14 is the 419th largest and the 406th most expensive property on the street.
When compared to the postcode district it is £152k less expensive than the average property in NW9.
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
