According to HM Land Registry, Flat 3, 26, Belsize Park was last sold on 23rd August 2013 for £1,850,000 and was recorded as a leasehold flat.

The property has had 5 sales since 1995.

Since August 2013, the market for similar properties has dropped by 4.7%.

• Sold Aug 2013£1,850,000
• Sold Dec 2009£1,220,000
• Sold Mar 2002£670,000

According to the Land Registry and our network of Estate Agents, there have been 21 sales of properties similar to Flat 3, 26, Belsize Park within a radius of 280 metres since 2008.

The most recent example is Flat 3, 29, Belsize Park Gardens, London, NW3 4JH, a leasehold flat which sold for £1,500,000 on the 3rd October 2025.

Read more about house prices in NW3.

• Sold Oct 2025£1,500,000 | 3 Bed FlatFlat 3, 29, Belsize Park Gardens, London, NW3 4JHFlat 3, 29, Belsize Park Gardens, London, NW3 4JH
• Sold Jan 2025£1,087,000 | 3 Bed Flat19D , Belsize Park, London, NW3 4DU19D , Belsize Park, London, NW3 4DU
• Sold Jun 2024£1,470,000 | 4 Bed FlatFlat 5, 14, Daleham Gardens, London, NW3 5DAFlat 5, 14, Daleham Gardens, London, NW3 5DA
• Sold May 2024£1,000,000 | 4 Bed FlatFlat 6, 23, Belsize Park, London, NW3 4DUFlat 6, 23, Belsize Park, London, NW3 4DU
• Sold Jul 2021£1,499,999 | 4 Bed Flat25B , Fitzjohns Avenue, London, NW3 5JY25B , Fitzjohns Avenue, London, NW3 5JY
• Sold Jul 2021£1,995,000 | 3 Bed FlatFlat 3, 3, Belsize Park, London, NW3 4ETFlat 3, 3, Belsize Park, London, NW3 4ET
• Sold Mar 2021£2,500,000 | 4 Bed Flat10, Daleham Mews, London, NW3 5DB10, Daleham Mews, London, NW3 5DB
• Sold Dec 2020£1,405,000 | 3 Bed Flat37D, Belsize Square, London, NW3 4HL37D, Belsize Square, London, NW3 4HL
• Sold Dec 2019£1,300,000 | 3 Bed FlatFlat 2, 27, Belsize Park Gardens, London, NW3 4JHFlat 2, 27, Belsize Park Gardens, London, NW3 4JH
• Sold Jul 2018£1,715,000 | 4 Bed Flat18A, Belsize Park, London, NW3 4DU18A, Belsize Park, London, NW3 4DU
• Sold Sep 2017£1,485,000 | 4 Bed FlatFlat 7, 25, Belsize Park, London, NW3 4DUFlat 7, 25, Belsize Park, London, NW3 4DU
• Sold Aug 2015£1,300,000 | 3 Bed FlatFlat 4, Falmer House 35, Belsize Park, London, NW3 4DYFlat 4, Falmer House 35, Belsize Park, London, NW3 4DY
• Sold Jan 2015£1,960,000 | 4 Bed FlatFlat 3, 18, Belsize Square, London, NW3 4HTFlat 3, 18, Belsize Square, London, NW3 4HT
• Sold Nov 2013£1,476,000 | 3 Bed FlatFlat 4, 29, Belsize Park Gardens, London, NW3 4JHFlat 4, 29, Belsize Park Gardens, London, NW3 4JH
• Sold Jun 2013£1,275,000 | 3 Bed Flat10D , Belsize Park Gardens, London, NW3 4LD10D , Belsize Park Gardens, London, NW3 4LD
• Sold Feb 2013£1,082,000 | 4 Bed FlatFlat 7, 29, Belsize Park, London, NW3 4DXFlat 7, 29, Belsize Park, London, NW3 4DX
• Sold Mar 2012£1,450,000 | 4 Bed FlatFlat 2, 13, Belsize Park Gardens, London, NW3 4JGFlat 2, 13, Belsize Park Gardens, London, NW3 4JG
• Sold Jan 2010£731,000 | 4 Bed FlatFlat 4, 40, Belsize Square, London, NW3 4HLFlat 4, 40, Belsize Square, London, NW3 4HL
• Sold Sep 2008£1,160,000 | 4 Bed Flat18C , Belsize Park, London, NW3 4DU18C , Belsize Park, London, NW3 4DU
• Sold Jul 2008£487,300 | 4 Bed FlatFlat 8, 50, Belsize Square, London, NW3 4HNFlat 8, 50, Belsize Square, London, NW3 4HN

Our network of Estate Agents reports 2 lets within 280 metres of Flat 3, 26, Belsize Park over the last 2 years.

Most recently, 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat, was let by Fine Living in February 2025.

• 
  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.

Belsize Park, London, NW3 has a total of 423 addresses. According to our analysis of all the public data, Flat 3, 26, Belsize Park is the 26th largest and the 69th most expensive property on the street.

When compared to the postcode district it is £44k more expensive than the average property in NW3.

• Holy Trinity CofE Primary School, NW3

  500 m away
• Rosary Catholic Primary School

  500 m away
• Fitzjohn's Primary School

  600 m away

• The UCL Academy

  800 m away
• Harris Academy St John's Wood

  1.2 km away
• Haverstock School

  1.3 km away

• Belsize Park

  |

  600 m away
• Finchley Road

  |

  600 m away
• Swiss Cottage

  |

  600 m away

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