Flat 7, 25, Belsize Park has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Apr 2017.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

Flat 7, 25, Belsize Park last changed hands on 25th September 2017, selling for £1,485,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 9.5% since September 2017.

• Sold Sep 2017£1,485,000

Land Registry records and our Estate Agent network show 22 sales of comparable properties within 280 metres of Flat 7, 25, Belsize Park since 2008.

Most recently, Flat 3, 29, Belsize Park Gardens, London, NW3 4JH, a leasehold flat, sold at £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 Jul 2025£2,000,000 | 3 Bed Flat10A, Belsize Park, London, NW3 4ES10A, Belsize Park, London, NW3 4ES
• 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 | 3 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£1,995,000 | 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 Jul 2018£1,715,000 | 4 Bed Flat18A, Belsize Park, London, NW3 4DU18A, 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 | 3 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 Sep 2013£1,900,000 | 4 Bed Flat77F, Belsize Lane, London, NW3 5AU77F, Belsize Lane, London, NW3 5AU
• Sold Aug 2013£1,850,000 | 4 Bed FlatFlat 3, 26, Belsize Park, London, NW3 4DUFlat 3, 26, Belsize Park, London, NW3 4DU
• 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 | 3 Bed FlatFlat 2, 13, Belsize Park Gardens, London, NW3 4JGFlat 2, 13, Belsize Park Gardens, London, NW3 4JG
• Sold Dec 2008£940,000 | 3 Bed FlatFlat 3, 3, Belsize Park Gardens, London, NW3 4LBFlat 3, 3, Belsize Park Gardens, London, NW3 4LB
• 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

Agents in our network have reported 2 lettings within 280 metres of Flat 7, 25, Belsize Park across the last 2 years.

The newest of these is 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat 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.

Our analysis of the public data ranks Flat 7, 25, Belsize Park as the 30th largest and the 59th most expensive of the 423 addresses on Belsize Park, London, NW3.

Against the NW3 postcode district average, it is £104k more expensive than the typical property.

• 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

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