Flat 5, Constantine House 14 has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Aug 2025.

The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.

According to HM Land Registry, Flat 5, Constantine House 14 was last sold on 18th December 2015 for £380,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

Since December 2015, the market for similar properties has dropped by 11.9%.

• Sold Dec 2015£380,000

According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 5, Constantine House 14 within a radius of 170 metres over the last 2 years.

The most recent example is Flat 84, Cavendish House 6, Boulevard Drive, London, NW9 5QG, a leasehold flat which sold for £510,000 on the 7th November 2025.

Read more about house prices in NW9.

• Sold Nov 2025£510,000 | 2 Bed FlatFlat 84, Cavendish House 6, Boulevard Drive, London, NW9 5QGFlat 84, Cavendish House 6, Boulevard Drive, London, NW9 5QG
• Sold Oct 2023£515,000 | 2 Bed FlatFlat 59, Constantine House 14, Boulevard Drive, London, NW9 5XDFlat 59, Constantine House 14, Boulevard Drive, London, NW9 5XD
• Sold Apr 2023£475,000 | 2 Bed FlatFlat 50, Constantine House 14, Boulevard Drive, London, NW9 5XDFlat 50, Constantine House 14, Boulevard Drive, London, NW9 5XD

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our network of Estate Agents reports 1 let within 170 metres of Flat 5, 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.

• 
  Let Mar 2022£ Undisclosed | 1 Bed FlatFlat 35, Carleton House 20, Boulevard Drive, London, NW9 5QFFlat 35, Carleton House 20, Boulevard Drive, London, NW9 5QF

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Boulevard Drive, London, NW9 has a total of 537 addresses. According to our analysis of all the public data, Flat 5, Constantine House 14 is the 133rd largest and the 134th most expensive property on the street.

When compared to the postcode district it is £37k less expensive than the average property in NW9.

• 600

  m

  Blessed Dominic Catholic Primary School
• 800

  m

  Sunnyfields Primary School
• 900

  m

  Colindale Primary School

• 600

  m

  St James' Catholic High School
• 700

  m

  Saracens High School
• 1.0

  km

  Hasmonean High School for Girls

• 600

  m

  Colindale
• 1.7

  km

  Hendon Central
• 1.7

  km

  Hendon

According to recent data from Ofcom, ultrafast broadband is available in this area.

According to data from the Environment Agency, the flood risk in this area is considered to be very low.