Flat 2, 39, Belsize Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Nov 2013.

The property is not connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of Flat 2, 39, Belsize Square completed on 14th January 2014 at £600,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 5.2% over the period since January 2014.

• Sold Jan 2014£600,000
• Sold Jul 2008£460,000

Since 2015 62 properties similar to Flat 2, 39, Belsize Square have sold within a radius of 260 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th July 2025, was 18E , Belsize Park, London, NW3 4DU, a leasehold flat which sold for £725,000.

Read more about house prices in NW3.

• Sold Jul 2025£725,000 | 2 Bed Flat18E , Belsize Park, London, NW3 4DU18E , Belsize Park, London, NW3 4DU
• Sold Jul 2025£845,000 | 2 Bed Flat25G , Belsize Park Gardens, London, NW3 4JH25G , Belsize Park Gardens, London, NW3 4JH
• Sold Mar 2025£475,000 | 2 Bed FlatFlat 3, 28, Belsize Park Gardens, London, NW3 4LHFlat 3, 28, Belsize Park Gardens, London, NW3 4LH
• 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 Oct 2023£721,500 | 2 Bed FlatFlat 4, Claridge House 13, Belsize Park, London, NW3 4ESFlat 4, Claridge House 13, Belsize Park, London, NW3 4ES
• 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 Jun 2023£745,000 | 2 Bed FlatFlat 4, 14, Belsize Park, London, NW3 4ESFlat 4, 14, Belsize Park, London, NW3 4ES
• Sold Apr 2023£800,000 | 2 Bed FlatFlat 1, 11, Belsize Park, London, NW3 4ESFlat 1, 11, 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 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 Dec 2021£1,450,000 | 3 Bed Flat42A, Belsize Park Gardens, London, NW3 4LY42A, Belsize Park Gardens, London, NW3 4LY
• Sold Jun 2021£1,175,000 | 2 Bed FlatFlat 4, 39, Belsize Square, London, NW3 4HLFlat 4, 39, Belsize Square, London, NW3 4HL
• Sold Apr 2020£780,000 | 2 Bed FlatFlat 6, 38, Belsize Square, London, NW3 4HLFlat 6, 38, Belsize Square, London, NW3 4HL
• Sold Aug 2018£635,000 | 2 Bed FlatFlat 10, 27, Belsize Park, London, NW3 4DUFlat 10, 27, Belsize Park, London, NW3 4DU
• Sold Nov 2017£960,000 | 2 Bed FlatFlat 3, 24, Belsize Park, London, NW3 4DUFlat 3, 24, Belsize Park, London, NW3 4DU
• Sold Jul 2015£649,999 | 2 Bed FlatFlat 1, 28, Belsize Park Gardens, London, NW3 4LHFlat 1, 28, Belsize Park Gardens, London, NW3 4LH

Over the past 2 years our Estate Agent network has recorded 2 lets within 260 metres of Flat 2, 39, Belsize Square.

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

• 
  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.

Of the 264 addresses on Belsize Square, London, NW3, Flat 2, 39, Belsize Square comes out as the 181st largest and the 162nd most expensive in our analysis of the public data.

It is also £610k less expensive than the average property across the NW3 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.