The most recent sale of Flat D, 14, Belsize Square completed on 23rd August 2012 at £1,070,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 0.9% over the period since August 2012.

• Sold Aug 2012£1,070,000

Since 2012 63 properties similar to Flat D, 14, 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£1,350,000 | 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 Dec 2024£1,370,000 | 3 Bed Flat21B , Buckland Crescent, London, NW3 5DH21B , Buckland Crescent, London, NW3 5DH
• 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 2024£980,000 | 3 Bed FlatFlat 1, Springfield Court, Eton Avenue, London, NW3 3ERFlat 1, Springfield Court, Eton Avenue, London, NW3 3ER
• Sold Aug 2022£1,330,000 | 3 Bed FlatFlat 4, 22, Belsize Square, London, NW3 4HTFlat 4, 22, Belsize Square, London, NW3 4HT
• Sold Jun 2021£1,200,000 | 3 Bed FlatFlat 2, 9, Belsize Square, London, NW3 4HTFlat 2, 9, Belsize Square, London, NW3 4HT
• 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£730,000 | 3 Bed Flat3B , Strathray Gardens, London, NW3 4PA3B , Strathray Gardens, London, NW3 4PA
• Sold Apr 2020£1,464,500 | 3 Bed FlatFlat 1, 9, Belsize Square, London, NW3 4HTFlat 1, 9, Belsize Square, London, NW3 4HT
• Sold Jan 2020£1,175,000 | 3 Bed FlatFlat 2, 17, Buckland Crescent, London, NW3 5DHFlat 2, 17, Buckland Crescent, London, NW3 5DH
• Sold Mar 2018£1,160,000 | 3 Bed Flat44B , Belsize Square, London, NW3 4HN44B , Belsize Square, London, NW3 4HN
• Sold May 2015£1,230,500 | 3 Bed Flat43A, Belsize Square, London, NW3 4HN43A, Belsize Square, London, NW3 4HN
• Sold Mar 2015£1,245,000 | 3 Bed FlatFlat 2, 13, Belsize Square, London, NW3 4HTFlat 2, 13, Belsize Square, London, NW3 4HT
• Sold Dec 2012£1,200,000 | 3 Bed FlatFlat 3, 19, Buckland Crescent, London, NW3 5DHFlat 3, 19, Buckland Crescent, London, NW3 5DH

Over the past 2 years our Estate Agent network has recorded 2 lets within 270 metres of Flat D, 14, 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 D, 14, Belsize Square comes out as the 100th largest and the 61st most expensive in our analysis of the public data.

It is also £101k 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.