Flat 5, 39, Belsize Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Apr 2023.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 52 sales of comparable properties within 260 metres of Flat 5, 39, Belsize Square since 2015.

Most recently, 44A, Belsize Square, London, NW3 4HN, a leasehold flat, sold at £1,040,000 on the 27th August 2025.

Read more about house prices in NW3.

• Sold Aug 2025£1,040,000 | 3 Bed Flat44A, Belsize Square, London, NW3 4HN44A, Belsize Square, London, NW3 4HN
• Sold Aug 2025£1,273,000 | 3 Bed Flat17A, Crossfield Road, London, NW3 4NT17A, Crossfield Road, London, NW3 4NT
• Sold Jul 2025£1,177,000 | 3 Bed FlatFlat 3, 4, Belsize Park, London, NW3 4ETFlat 3, 4, Belsize Park, London, NW3 4ET
• Sold Jun 2025£1,150,000 | 3 Bed FlatFlat 4, 28, Belsize Park Gardens, London, NW3 4LHFlat 4, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Mar 2025£1,350,000 | 3 Bed FlatFlat 3, 11, Belsize Park, London, NW3 4ESFlat 3, 11, Belsize Park, London, NW3 4ES
• Sold Jan 2025£1,250,000 | 3 Bed Flat43D , Belsize Square, London, NW3 4HN43D , Belsize Square, London, NW3 4HN
• Sold Jan 2025£1,520,000 | 3 Bed FlatFlat 5, 13, Belsize Park Gardens, London, NW3 4JGFlat 5, 13, Belsize Park Gardens, London, NW3 4JG
• Sold Nov 2024£1,090,000 | 3 Bed FlatFlat 5, 8, Belsize Square, London, NW3 4HTFlat 5, 8, Belsize Square, London, NW3 4HT
• Sold Oct 2024£1,162,000 | 3 Bed FlatFlat B, 31, Lancaster Grove, London, NW3 4EXFlat B, 31, Lancaster Grove, London, NW3 4EX
• Sold Sep 2022£1,520,000 | 3 Bed FlatFlat 1, 14, Belsize Park, London, NW3 4ESFlat 1, 14, Belsize Park, London, NW3 4ES
• Sold Aug 2022£1,330,000 | 3 Bed FlatFlat 4, 22, Belsize Square, London, NW3 4HTFlat 4, 22, Belsize Square, London, NW3 4HT
• Sold Feb 2022£1,600,000 | 3 Bed Flat6, Belsize Park Gardens, London, NW3 4LD6, Belsize Park Gardens, London, NW3 4LD
• Sold Jun 2021£1,200,000 | 3 Bed FlatFlat 2, 9, Belsize Square, London, NW3 4HTFlat 2, 9, Belsize Square, London, NW3 4HT
• Sold Mar 2021£1,280,000 | 3 Bed FlatFlat 2, 20, Belsize Park Gardens, London, NW3 4LHFlat 2, 20, Belsize Park Gardens, London, NW3 4LH
• Sold Mar 2021£730,000 | 3 Bed Flat3B , Strathray Gardens, London, NW3 4PA3B , Strathray Gardens, London, NW3 4PA
• Sold Feb 2021£1,899,950 | 3 Bed Flat49B, Belsize Park Gardens, London, NW3 4JL49B, Belsize Park Gardens, London, NW3 4JL
• Sold Jun 2018£1,250,000 | 3 Bed Flat44A, Belsize Park Gardens, London, NW3 4LY44A, Belsize Park Gardens, London, NW3 4LY
• Sold Mar 2018£1,160,000 | 3 Bed Flat44B , Belsize Square, London, NW3 4HN44B , Belsize Square, London, NW3 4HN
• Sold Sep 2015£1,295,000 | 3 Bed FlatFlat 2, 28, Belsize Park Gardens, London, NW3 4LHFlat 2, 28, Belsize Park Gardens, London, NW3 4LH
• Sold May 2015£1,230,500 | 3 Bed Flat43A, Belsize Square, London, NW3 4HN43A, Belsize Square, London, NW3 4HN

Agents in our network have reported 2 lettings within 260 metres of Flat 5, 39, Belsize Square across the last 2 years.

The newest of these is 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat 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.

Our analysis of the public data ranks Flat 5, 39, Belsize Square as the 94th largest and the 62nd most expensive of the 264 addresses on Belsize Square, London, NW3.

Against the NW3 postcode district average, it is £101k less expensive than the typical property.

• Rosary Catholic Primary School

  500 m away
• Holy Trinity CofE Primary School, NW3

  600 m away
• St Paul's Church of England Primary School

  800 m away

• The UCL Academy

  700 m away
• Haverstock School

  1.1 km away
• Harris Academy St John's Wood

  1.2 km away

• Belsize Park

  |

  500 m away
• Swiss Cottage

  |

  600 m away
• Finchley Road

  |

  700 m away

Environment Agency data suggests this area has a Very Low risk of flooding.