According to HM Land Registry, Flat C, 54, Belsize Avenue was last sold on 28th March 2007 for £585,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since March 2007, the market for similar properties has risen by 49.4%.

• Sold Mar 2007£585,000
• Sold Mar 1996£165,000

According to the Land Registry and our network of Estate Agents, there have been 70 sales of properties similar to Flat C, 54, Belsize Avenue within a radius of 270 metres since 2013.

The most recent example is Flat 34, Belsize Court, Wedderburn Road, London, NW3 5QJ, a leasehold flat which sold for £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 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
• Sold Feb 2013£900,000 | 3 Bed FlatFlat B, 54, Belsize Avenue, London, NW3 4AEFlat B, 54, Belsize Avenue, London, NW3 4AE

Belsize Avenue, London, NW3 has a total of 446 addresses. According to our analysis of all the public data, Flat C, 54, Belsize Avenue is the 132nd largest and the 108th most expensive property on the street.

When compared to the postcode district it is £403k less expensive than the average property in NW3.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.