Flat A, 34, Belsize Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Apr 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 47 sales of properties similar to Flat A, 34, Belsize Square within a radius of 260 metres since 2017.

The most recent example is 23F , Belsize Park Gardens, London, NW3 4JH, a leasehold flat which sold for £625,000 on the 21st November 2024.

Read more about house prices in NW3.

• Sold Nov 2024£625,000 | 2 Bed Flat23F , Belsize Park Gardens, London, NW3 4JH23F , Belsize Park Gardens, London, NW3 4JH
• Sold Nov 2024£675,000 | 2 Bed FlatFlat 6, 42, Belsize Park Gardens, London, NW3 4LYFlat 6, 42, Belsize Park Gardens, London, NW3 4LY
• Sold Sep 2024£625,000 | 2 Bed Flat19A, Belsize Park, London, NW3 4DU19A, Belsize Park, London, NW3 4DU
• Sold Sep 2023£780,000 | 2 Bed FlatFlat 5, 28, Belsize Park Gardens, London, NW3 4LHFlat 5, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Sep 2023£617,500 | 1 Bed FlatFlat D, 10, Belsize Square, London, NW3 4HTFlat D, 10, Belsize Square, London, NW3 4HT
• Sold Sep 2023£587,000 | 2 Bed FlatFlat 11, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 11, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Jun 2023£745,000 | 2 Bed FlatFlat 4, 14, Belsize Park, London, NW3 4ESFlat 4, 14, Belsize Park, London, NW3 4ES
• Sold Mar 2023£508,000 | 2 Bed FlatFlat 27, 35-36, Belsize Square, London, NW3 4HLFlat 27, 35-36, Belsize Square, London, NW3 4HL
• Sold Mar 2023£650,000 | 2 Bed FlatFlat 2, 5, Lambolle Road, London, NW3 4HSFlat 2, 5, Lambolle Road, London, NW3 4HS
• Sold Jan 2023£675,000 | 2 Bed FlatFlat 5, 11, Belsize Park, London, NW3 4ESFlat 5, 11, Belsize Park, London, NW3 4ES
• Sold Dec 2022£675,000 | 2 Bed FlatFlat 6, 43, Lancaster Grove, London, NW3 4HBFlat 6, 43, Lancaster Grove, London, NW3 4HB
• Sold Jun 2022£560,000 | 2 Bed FlatFlat 2, 5, Belsize Avenue, London, NW3 4BLFlat 2, 5, Belsize Avenue, London, NW3 4BL
• Sold Mar 2022£615,000 | 2 Bed FlatFlat 23, 7, Lambolle Road, London, NW3 4HSFlat 23, 7, Lambolle Road, London, NW3 4HS
• Sold Oct 2021£620,000 | 1 Bed Flat49A, Belsize Park Gardens, London, NW3 4JL49A, Belsize Park Gardens, London, NW3 4JL
• Sold Aug 2021£620,000 | 2 Bed FlatFlat 5, 5, Lambolle Road, London, NW3 4HSFlat 5, 5, Lambolle Road, London, NW3 4HS
• Sold Jun 2021£1,175,000 | 2 Bed FlatFlat 4, 39, Belsize Square, London, NW3 4HLFlat 4, 39, Belsize Square, London, NW3 4HL
• Sold Jun 2021£535,000 | 1 Bed FlatFlat 7, 5, Belsize Avenue, London, NW3 4BLFlat 7, 5, Belsize Avenue, London, NW3 4BL
• Sold Aug 2018£635,000 | 2 Bed FlatFlat 10, 27, Belsize Park, London, NW3 4DUFlat 10, 27, Belsize Park, London, NW3 4DU
• Sold May 2018£630,000 | 1 Bed FlatFlat 3, 13, Belsize Park Gardens, London, NW3 4JGFlat 3, 13, Belsize Park Gardens, London, NW3 4JG
• Sold Aug 2017£680,000 | 2 Bed FlatFlat 4, 26, Belsize Park, London, NW3 4DUFlat 4, 26, Belsize Park, London, NW3 4DU

Our network of Estate Agents reports 2 lets within 260 metres of Flat A, 34, Belsize Square 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 Square, London, NW3 has a total of 264 addresses. According to our analysis of all the public data, Flat A, 34, Belsize Square is the 200th largest and the 199th most expensive property on the street.

When compared to the postcode district it is £697k less expensive than the average property in NW3.

• 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

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