Flat 5, 8, Belsize Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Mar 2019.

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

The most recent sale of Flat 5, 8, Belsize Square completed on 1st November 2024 at £1,090,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 14.3% over the period since November 2024.

• Sold Nov 2024£1,090,000
• Sold Jul 2008£720,000
• Sold Feb 2004£499,000

Since 2015 70 properties similar to Flat 5, 8, Belsize Square have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 22nd August 2025, was 17A, Crossfield Road, London, NW3 4NT, a leasehold flat which sold for £1,273,000.

Read more about house prices in NW3.

• 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£1,125,000 | 3 Bed FlatFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Feb 2025£1,135,000 | 2 Bed FlatFlat 3, 5, Belsize Avenue, London, NW3 4BLFlat 3, 5, Belsize Avenue, London, NW3 4BL
• Sold Oct 2024£1,162,000 | 3 Bed FlatFlat B, 31, Lancaster Grove, London, NW3 4EXFlat B, 31, Lancaster Grove, London, NW3 4EX
• Sold Mar 2024£950,000 | 3 Bed FlatFlat 6, 6, Strathray Gardens, London, NW3 4NYFlat 6, 6, Strathray Gardens, London, NW3 4NY
• Sold Dec 2023£865,000 | 3 Bed Flat1A, Lancaster Drive, London, NW3 4EY1A, Lancaster Drive, London, NW3 4EY
• Sold Jun 2022£900,000 | 3 Bed FlatFlat 10, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 10, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Sep 2021£985,000 | 3 Bed FlatFlat 1, 23, Belsize Park, London, NW3 4DUFlat 1, 23, Belsize Park, London, NW3 4DU
• Sold Apr 2021£960,000 | 3 Bed FlatFlat 51, Eton Court, Eton Avenue, London, NW3 3HJFlat 51, Eton Court, Eton Avenue, London, NW3 3HJ
• Sold Apr 2021£1,082,500 | 3 Bed Flat27A, Buckland Crescent, London, NW3 5DH27A, Buckland Crescent, London, NW3 5DH
• Sold Mar 2021£1,360,000 | 2 Bed Flat1A, Belsize Park Gardens, London, NW3 4LB1A, Belsize Park Gardens, London, NW3 4LB
• Sold May 2019£1,160,000 | 3 Bed FlatFlat 1, 47, Belsize Square, London, NW3 4HNFlat 1, 47, Belsize Square, London, NW3 4HN
• Sold Oct 2017£1,232,000 | 3 Bed FlatFlat 2, 25, Belsize Park, London, NW3 4DUFlat 2, 25, Belsize Park, London, NW3 4DU
• Sold Jul 2017£1,250,000 | 2 Bed Flat15C , Buckland Crescent, London, NW3 5DH15C , Buckland Crescent, London, NW3 5DH
• Sold Apr 2017£1,055,000 | 3 Bed FlatFlat 47, Eton Court, Eton Avenue, London, NW3 3HJFlat 47, Eton Court, Eton Avenue, London, NW3 3HJ
• 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 Mar 2015£925,000 | 3 Bed FlatFlat 49, Eton Court, Eton Avenue, London, NW3 3HJFlat 49, Eton Court, Eton Avenue, London, NW3 3HJ
• Sold Feb 2015£1,052,000 | 3 Bed FlatFlat 30A, Eton Court, Eton Avenue, London, NW3 3HJFlat 30A, Eton Court, Eton Avenue, London, NW3 3HJ

Over the past 2 years our Estate Agent network has recorded 2 lets within 270 metres of Flat 5, 8, 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 5, 8, Belsize Square comes out as the 114th largest and the 84th most expensive in our analysis of the public data.

It is also £271k less expensive than the average property across the NW3 district.

• Holy Trinity CofE Primary School, NW3

  500 m away
• Rosary Catholic Primary School

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

  800 m away

• The UCL Academy

  600 m away
• Harris Academy St John's Wood

  1.1 km away
• Haverstock School

  1.2 km away

• Swiss Cottage

  |

  500 m away
• Belsize Park

  |

  600 m away
• Finchley Road

  |

  600 m away

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