Flat 2, 25, Belsize Park has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Feb 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of Flat 2, 25, Belsize Park completed on 6th October 2017 at £1,232,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 22.4% over the period since October 2017.

• Sold Oct 2017£1,232,000
• Sold Jul 2005£495,000

Since 2009 58 properties similar to Flat 2, 25, Belsize Park have sold within a radius of 280 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th December 2025, was Flat 6, 3, Nutley Terrace, London, NW3 5BX, a leasehold flat which sold for £810,000.

Read more about house prices in NW3.

• Sold Dec 2025£810,000 | 3 Bed FlatFlat 6, 3, Nutley Terrace, London, NW3 5BXFlat 6, 3, Nutley Terrace, London, NW3 5BX
• Sold Aug 2025£1,273,000 | 3 Bed Flat17A, Crossfield Road, London, NW3 4NT17A, Crossfield Road, London, NW3 4NT
• Sold Jun 2025£887,500 | 2 Bed Flat12B, Belsize Park Gardens, London, NW3 4LD12B, Belsize Park Gardens, London, NW3 4LD
• Sold Mar 2025£1,125,000 | 3 Bed FlatFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Nov 2024£1,090,000 | 3 Bed FlatFlat 5, 8, Belsize Square, London, NW3 4HTFlat 5, 8, Belsize Square, London, NW3 4HT
• Sold Sep 2024£910,500 | 2 Bed FlatFlat 2, 47, Belsize Square, London, NW3 4HNFlat 2, 47, Belsize Square, London, NW3 4HN
• Sold Dec 2023£865,000 | 3 Bed Flat1A, Lancaster Drive, London, NW3 4EY1A, Lancaster Drive, London, NW3 4EY
• Sold Apr 2023£1,135,000 | 3 Bed FlatFlat 7, Roscommon House 2, Lyndhurst Gardens, London, NW3 5NPFlat 7, Roscommon House 2, Lyndhurst Gardens, London, NW3 5NP
• Sold Aug 2022£1,510,000 | 3 Bed FlatFlat 1, 26, Belsize Avenue, London, NW3 4AUFlat 1, 26, Belsize Avenue, London, NW3 4AU
• Sold Jun 2022£900,000 | 3 Bed FlatFlat 10, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 10, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Sep 2021£985,000 | 3 Bed FlatFlat 1, 23, Belsize Park, London, NW3 4DUFlat 1, 23, Belsize Park, London, NW3 4DU
• Sold Aug 2021£1,040,000 | 3 Bed FlatFlat D, 28, Fitzjohns Avenue, London, NW3 5NBFlat D, 28, Fitzjohns Avenue, London, NW3 5NB
• Sold Jun 2021£1,150,000 | 3 Bed FlatFlat 2, 23, Daleham Gardens, London, NW3 5BYFlat 2, 23, Daleham Gardens, London, NW3 5BY
• Sold Mar 2021£1,360,000 | 2 Bed Flat1A, Belsize Park Gardens, London, NW3 4LB1A, Belsize Park Gardens, London, NW3 4LB
• Sold Sep 2019£1,100,000 | 3 Bed FlatFlat 3A, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 3A, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold May 2019£1,160,000 | 3 Bed FlatFlat 1, 47, Belsize Square, London, NW3 4HNFlat 1, 47, Belsize Square, London, NW3 4HN
• Sold Jul 2017£1,250,000 | 2 Bed Flat15C , Buckland Crescent, London, NW3 5DH15C , Buckland Crescent, London, NW3 5DH
• Sold May 2015£1,230,500 | 3 Bed Flat43A, Belsize Square, London, NW3 4HN43A, Belsize Square, London, NW3 4HN
• Sold Apr 2010£410,000 | 3 Bed FlatFlat 7, 27, Belsize Park, London, NW3 4DUFlat 7, 27, Belsize Park, London, NW3 4DU
• Sold Sep 2009£800,000 | 3 Bed FlatFlat B, 47, Belsize Square, London, NW3 4HNFlat B, 47, Belsize Square, London, NW3 4HN

Over the past 2 years our Estate Agent network has recorded 2 lets within 280 metres of Flat 2, 25, Belsize Park.

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
• 
  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.

Of the 423 addresses on Belsize Park, London, NW3, Flat 2, 25, Belsize Park comes out as the 161st largest and the 182nd most expensive in our analysis of the public data.

It is also £355k less expensive than the average property across the NW3 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.