Flat 4, 26, Belsize Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 May 2016.

The property is connected to mains gas and has single glazed windows. It is heated using Community scheme.

According to HM Land Registry, Flat 4, 26, Belsize Avenue was last sold on 22nd November 2022 for £530,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

Since November 2022, the market for similar properties has dropped by 13.9%.

• Sold Nov 2022£530,000

According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 4, 26, Belsize Avenue within a radius of 260 metres over the last 2 years.

The most recent example is Flat 2, 47, Belsize Avenue, London, NW3 4BN, a leasehold flat which sold for £475,000 on the 31st March 2025.

Read more about house prices in NW3.

• Sold Mar 2025£475,000 | 1 Bed FlatFlat 2, 47, Belsize Avenue, London, NW3 4BNFlat 2, 47, Belsize Avenue, London, NW3 4BN
• Sold Jul 2023£525,000 | 1 Bed FlatFlat 5, 5, Belsize Avenue, London, NW3 4BLFlat 5, 5, Belsize Avenue, London, NW3 4BL
• Sold Jun 2021£535,000 | 1 Bed FlatFlat 7, 5, Belsize Avenue, London, NW3 4BLFlat 7, 5, Belsize Avenue, London, NW3 4BL

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

Our network of Estate Agents reports 2 lets within 260 metres of Flat 4, 26, Belsize Avenue over the last 2 years.

Most recently, 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat, was let by Fine Living in February 2025.

• 
  Let agreed Feb 2025£ Undisclosed | 2 Bed Flat3B , Lancaster Drive, London, NW3 4EY3B , Lancaster Drive, London, NW3 4EY
• 
  Let agreed Mar 2024£ Undisclosed | 1 Bed Flat3A , Lancaster Drive, London, NW3 4EY3A , Lancaster Drive, London, NW3 4EY

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

Belsize Avenue, London, NW3 has a total of 446 addresses. According to our analysis of all the public data, Flat 4, 26, Belsize Avenue is the 355th largest and the 331st most expensive property on the street.

When compared to the postcode district it is £800k less expensive than the average property in NW3.

• 400

  m

  Rosary Catholic Primary School
• 600

  m

  Holy Trinity CofE Primary School, NW3
• 600

  m

  Fitzjohn's Primary School

• 800

  m

  The UCL Academy
• 1.2

  km

  Haverstock School
• 1.3

  km

  Harris Academy St John's Wood

• 400

  m

  Belsize Park
• 700

  m

  Swiss Cottage
• 700

  m

  Finchley Road

According to recent data from Ofcom, superfast 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.