According to the Land Registry and our network of Estate Agents, there have been 559 property sales within 260 metres of Flat 1, 18, Belsize Avenue over the last 2 years.

The most recent example is Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat which sold for £545,000 on the 5th December 2025.

Read more about house prices in NW3.

• Sold Dec 2025£545,000 | 1 Bed FlatFlat 2, 22, Belsize Avenue, London, NW3 4AUFlat 2, 22, Belsize Avenue, London, NW3 4AU
• Sold Mar 2014£525,000 | 1 Bed FlatFlat 1, 16, Belsize Avenue, London, NW3 4AUFlat 1, 16, Belsize Avenue, London, NW3 4AU
• Sold Mar 2007£275,000 | 1 Bed FlatFlat 3, 22, Belsize Avenue, London, NW3 4AUFlat 3, 22, Belsize Avenue, London, NW3 4AU

•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 1, 18, 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.

• Rosary Catholic Primary School

  400 m away
• Holy Trinity CofE Primary School, NW3

  600 m away
• Fitzjohn's Primary School

  600 m away

• The UCL Academy

  800 m away
• Haverstock School

  1.2 km away
• Harris Academy St John's Wood

  1.3 km away

• Belsize Park

  |

  400 m away
• Swiss Cottage

  |

  700 m away
• Finchley Road

  |

  700 m away

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