Flat 11, 27, Belsize Park has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 05 Jan 2021.

The property is connected to mains gas and has partial double glazing. It is heated using room heaters (electric).

Flat 11, 27, Belsize Park last changed hands on 21st December 2023, selling for £615,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 16.3% since December 2023.

• Sold Dec 2023£615,000
• Sold Apr 2021£600,000
• Sold Apr 2010£240,000

Land Registry records and our Estate Agent network show 57 sales of comparable properties within 280 metres of Flat 11, 27, Belsize Park since 2009.

Most recently, Flat 3, 29, Belsize Park, London, NW3 4DX, a leasehold flat, sold at £670,000 on the 14th November 2025.

Read more about house prices in NW3.

• Sold Nov 2025£670,000 | 2 Bed FlatFlat 3, 29, Belsize Park, London, NW3 4DXFlat 3, 29, Belsize Park, London, NW3 4DX
• Sold Jul 2025£725,000 | 2 Bed Flat18E , Belsize Park, London, NW3 4DU18E , Belsize Park, London, NW3 4DU
• Sold Nov 2024£755,000 | 2 Bed FlatFlat 6, 24, Belsize Park, London, NW3 4DUFlat 6, 24, Belsize Park, London, NW3 4DU
• Sold Sep 2024£792,500 | 2 Bed FlatFlat 1, 28, Fitzjohns Avenue, London, NW3 5NBFlat 1, 28, Fitzjohns Avenue, London, NW3 5NB
• Sold Aug 2024£512,500 | 2 Bed Flat19, Mccrone Mews, London, NW3 5BG19, Mccrone Mews, London, NW3 5BG
• Sold May 2024£675,000 | 2 Bed Flat27B , Belsize Square, London, NW3 4HU27B , Belsize Square, London, NW3 4HU
• Sold Dec 2023£880,000 | 2 Bed FlatFlat 6, 33, Belsize Park, London, NW3 4DXFlat 6, 33, Belsize Park, London, NW3 4DX
• Sold Oct 2023£721,500 | 2 Bed FlatFlat 4, Claridge House 13, Belsize Park, London, NW3 4ESFlat 4, Claridge House 13, Belsize Park, London, NW3 4ES
• Sold Jul 2023£840,000 | 2 Bed FlatFlat 2, 50, Belsize Square, London, NW3 4HNFlat 2, 50, Belsize Square, London, NW3 4HN
• Sold Apr 2022£655,000 | 2 Bed Flat23, Mccrone Mews, London, NW3 5BG23, Mccrone Mews, London, NW3 5BG
• Sold Jan 2021£784,000 | 2 Bed FlatFlat 7, 28, Belsize Park, London, NW3 4DXFlat 7, 28, Belsize Park, London, NW3 4DX
• Sold Nov 2018£800,000 | 2 Bed Flat20, Mccrone Mews, London, NW3 5BG20, Mccrone Mews, London, NW3 5BG
• Sold Nov 2017£960,000 | 2 Bed FlatFlat 3, 24, Belsize Park, London, NW3 4DUFlat 3, 24, Belsize Park, London, NW3 4DU
• Sold Mar 2016£940,000 | 2 Bed Flat28B , Belsize Square, London, NW3 4HU28B , Belsize Square, London, NW3 4HU
• Sold Jun 2015£860,000 | 2 Bed FlatFlat 5, 24, Belsize Park, London, NW3 4DUFlat 5, 24, Belsize Park, London, NW3 4DU
• Sold Sep 2014£705,000 | 2 Bed FlatFlat 1, 27, Belsize Park, London, NW3 4DUFlat 1, 27, Belsize Park, London, NW3 4DU
• Sold Mar 2014£625,000 | 2 Bed FlatFlat 6, 40, Belsize Park, London, NW3 4EEFlat 6, 40, Belsize Park, London, NW3 4EE
• Sold Oct 2010£450,000 | 2 Bed FlatFlat 1, 25, Belsize Park, London, NW3 4DUFlat 1, 25, Belsize Park, London, NW3 4DU
• Sold Dec 2009£465,000 | 2 Bed FlatFlat 4, 24, Belsize Park, London, NW3 4DUFlat 4, 24, Belsize Park, London, NW3 4DU
• Sold Jul 2009£442,000 | 2 Bed FlatFlat 1, 26, Belsize Park, London, NW3 4DUFlat 1, 26, Belsize Park, London, NW3 4DU

Agents in our network have reported 1 letting of a comparable property within 280 metres of Flat 11, 27, Belsize Park across the last 2 years.

The newest of these is 3A , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living in March 2024.

• 
  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 11, 27, Belsize Park as the 221st largest and the 250th most expensive of the 423 addresses on Belsize Park, London, NW3.

Against the NW3 postcode district average, it is £628k less 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.