Flat B, 54, Belsize Avenue last changed hands on 8th February 2013, selling for £900,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 5 times since 1995.

The market for similar properties has dropped by 5.0% since February 2013.

• Sold Feb 2013£900,000
• Sold Jan 2011£765,000
• Sold Nov 2003£436,000

Land Registry records and our Estate Agent network show 69 sales of comparable properties within 270 metres of Flat B, 54, Belsize Avenue since 2016.

Most recently, Flat 34, Belsize Court, Wedderburn Road, London, NW3 5QJ, a leasehold flat, sold at £810,000 on the 15th July 2025.

Read more about house prices in NW3.

• Sold Jul 2025£810,000 | 3 Bed FlatFlat 34, Belsize Court, Wedderburn Road, London, NW3 5QJFlat 34, Belsize Court, Wedderburn Road, London, NW3 5QJ
• Sold Jun 2025£887,500 | 2 Bed Flat12B, Belsize Park Gardens, London, NW3 4LD12B, Belsize Park Gardens, London, NW3 4LD
• Sold May 2025£947,500 | 3 Bed Flat35G, Belsize Avenue, London, NW3 4BN35G, Belsize Avenue, London, NW3 4BN
• Sold Mar 2025£1,050,000 | 3 Bed FlatFlat 3, 20, Ornan Road, London, NW3 4PXFlat 3, 20, Ornan Road, London, NW3 4PX
• Sold Aug 2024£820,000 | 3 Bed FlatFlat 16, Glenloch Court, Glenmore Road, London, NW3 4DDFlat 16, Glenloch Court, Glenmore Road, London, NW3 4DD
• Sold Aug 2024£985,000 | 3 Bed FlatFlat 95, Hillfield Court, Belsize Avenue, London, NW3 4BEFlat 95, Hillfield Court, Belsize Avenue, London, NW3 4BE
• Sold Jun 2024£1,137,500 | 3 Bed FlatFlat 44, Belsize Court, Wedderburn Road, London, NW3 5QHFlat 44, Belsize Court, Wedderburn Road, London, NW3 5QH
• Sold May 2024£1,075,000 | 3 Bed FlatFlat 3, Belsize Court, Wedderburn Road, London, NW3 5QLFlat 3, Belsize Court, Wedderburn Road, London, NW3 5QL
• Sold Apr 2024£1,325,000 | 3 Bed FlatFlat 33, Belsize Court, Wedderburn Road, London, NW3 5QNFlat 33, Belsize Court, Wedderburn Road, London, NW3 5QN
• Sold Nov 2023£835,000 | 3 Bed FlatFlat 89, Hillfield Court, Belsize Avenue, London, NW3 4BEFlat 89, Hillfield Court, Belsize Avenue, London, NW3 4BE
• Sold Sep 2023£920,000 | 3 Bed FlatFlat 103, Hillfield Court, Belsize Avenue, London, NW3 4BEFlat 103, Hillfield Court, Belsize Avenue, London, NW3 4BE
• Sold Jan 2023£960,000 | 3 Bed Flat20, Tudor Close, London, NW3 4AG20, Tudor Close, London, NW3 4AG
• Sold Jan 2023£1,160,000 | 3 Bed FlatFlat 6, Glenloch Court, Glenmore Road, London, NW3 4DDFlat 6, Glenloch Court, Glenmore Road, London, NW3 4DD
• Sold Sep 2022£898,500 | 3 Bed FlatFlat E, 44, Belsize Avenue, London, NW3 4AEFlat E, 44, Belsize Avenue, London, NW3 4AE
• Sold Dec 2021£800,000 | 3 Bed Flat56, Tudor Close, London, NW3 4AG56, Tudor Close, London, NW3 4AG
• Sold Sep 2021£899,950 | 3 Bed FlatFlat 30, Hillfield Court, Belsize Avenue, London, NW3 4BJFlat 30, Hillfield Court, Belsize Avenue, London, NW3 4BJ
• Sold Oct 2020£783,750 | 3 Bed FlatFlat 9, Hillfield Mansions, Haverstock Hill, London, NW3 4QRFlat 9, Hillfield Mansions, Haverstock Hill, London, NW3 4QR
• Sold Dec 2019£1,090,000 | 3 Bed FlatFlat 5, 46, Belsize Avenue, London, NW3 4AEFlat 5, 46, Belsize Avenue, London, NW3 4AE
• Sold Jul 2017£980,000 | 3 Bed FlatFlat 8, Glenloch Court, Glenmore Road, London, NW3 4DDFlat 8, Glenloch Court, Glenmore Road, London, NW3 4DD
• Sold Jul 2016£1,046,175 | 3 Bed FlatFlat 5, Glenloch Court, Glenmore Road, London, NW3 4DDFlat 5, Glenloch Court, Glenmore Road, London, NW3 4DD

Our analysis of the public data ranks Flat B, 54, Belsize Avenue as the 131st largest and the 106th most expensive of the 446 addresses on Belsize Avenue, London, NW3.

Against the NW3 postcode district average, it is £402k less expensive than the typical property.

• Rosary Catholic Primary School

  200 m away
• Fitzjohn's Primary School

  700 m away
• Fleet Primary School

  700 m away

• The UCL Academy

  1.0 km away
• Haverstock School

  1.2 km away
• Harris Academy St John's Wood

  1.5 km away

• Belsize Park

  |

  300 m away
• Hampstead Heath

  |

  600 m away
• Swiss Cottage

  |

  900 m away

Environment Agency data suggests this area has a Very Low risk of flooding.