The most recent sale of Flat 6, 50, Belsize Square completed on 31st July 2008 at £487,300 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 31.9% over the period since July 2008.

• Sold Jul 2008£487,300
• Sold Jun 2001£289,950
• Sold May 1997£140,000

Since 2014 78 properties similar to Flat 6, 50, Belsize Square have sold within a radius of 260 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 21st February 2025, was 25D , Belsize Park Gardens, London, NW3 4JH, a leasehold flat which sold for £880,000.

Read more about house prices in NW3.

• Sold Feb 2025£880,000 | 2 Bed Flat25D , Belsize Park Gardens, London, NW3 4JH25D , Belsize Park Gardens, London, NW3 4JH
• Sold Nov 2024£755,000 | 2 Bed FlatFlat 6, 24, Belsize Park, London, NW3 4DUFlat 6, 24, Belsize Park, London, NW3 4DU
• Sold Sep 2024£800,000 | 2 Bed Flat19B, Belsize Park, London, NW3 4DU19B, Belsize Park, London, NW3 4DU
• Sold Aug 2024£885,000 | 2 Bed Flat9B , Belsize Avenue, London, NW3 4BL9B , Belsize Avenue, London, NW3 4BL
• Sold Aug 2024£512,500 | 2 Bed Flat19, Mccrone Mews, London, NW3 5BG19, Mccrone Mews, London, NW3 5BG
• Sold Dec 2023£615,000 | 2 Bed FlatFlat 11, 27, Belsize Park, London, NW3 4DUFlat 11, 27, Belsize Park, London, NW3 4DU
• Sold Dec 2023£880,000 | 2 Bed FlatFlat 6, 33, Belsize Park, London, NW3 4DXFlat 6, 33, Belsize Park, London, NW3 4DX
• Sold Oct 2023£780,000 | 2 Bed FlatFlat 2, 5A , Belsize Square, London, NW3 4HTFlat 2, 5A , Belsize Square, London, NW3 4HT
• 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 Jul 2023£840,000 | 2 Bed FlatFlat 2, 50, Belsize Square, London, NW3 4HNFlat 2, 50, Belsize Square, London, NW3 4HN
• Sold Jun 2023£935,000 | 2 Bed FlatFlat 9, 28, Belsize Park Gardens, London, NW3 4LHFlat 9, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Apr 2023£800,000 | 2 Bed FlatFlat 1, 11, Belsize Park, London, NW3 4ESFlat 1, 11, Belsize Park, London, NW3 4ES
• Sold Nov 2022£670,000 | 2 Bed Flat18, Mccrone Mews, London, NW3 5BG18, Mccrone Mews, London, NW3 5BG
• Sold Oct 2022£905,000 | 2 Bed FlatFlat 3, 33, Belsize Park, London, NW3 4DXFlat 3, 33, Belsize Park, London, NW3 4DX
• Sold May 2021£685,000 | 2 Bed Flat21, Mccrone Mews, London, NW3 5BG21, Mccrone Mews, London, NW3 5BG
• Sold Aug 2020£755,000 | 2 Bed FlatFlat 6, Claridge House 13, Belsize Park, London, NW3 4ESFlat 6, Claridge House 13, Belsize Park, London, NW3 4ES
• Sold Jan 2020£945,000 | 2 Bed FlatFlat 5, 26, Belsize Park, London, NW3 4DUFlat 5, 26, Belsize Park, London, NW3 4DU
• Sold Jun 2015£860,000 | 2 Bed FlatFlat 5, 24, Belsize Park, London, NW3 4DUFlat 5, 24, Belsize Park, London, NW3 4DU
• Sold Sep 2014£705,000 | 2 Bed FlatFlat 1, 27, Belsize Park, London, NW3 4DUFlat 1, 27, Belsize Park, London, NW3 4DU
• Sold Jun 2014£960,000 | 2 Bed Flat22A, Belsize Park, London, NW3 4DU22A, Belsize Park, London, NW3 4DU

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to Flat 6, 50, Belsize Square, all within 260 metres.

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

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Of the 264 addresses on Belsize Square, London, NW3, Flat 6, 50, Belsize Square comes out as the 150th largest and the 144th most expensive in our analysis of the public data.

It is also £535k 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
• Fitzjohn's Primary School

  700 m away

• The UCL Academy

  700 m away
• Harris Academy St John's Wood

  1.2 km away
• Haverstock School

  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.