28C, Belsize Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jun 2025.

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

28C, Belsize Square last changed hands on 4th March 2011, selling for £932,000. 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 risen by 14.8% since March 2011.

• Sold Mar 2011£932,000
• Sold May 2007£875,000
• Sold Jan 1998£250,000

Land Registry records and our Estate Agent network show 11 sales of comparable properties within 270 metres of 28C, Belsize Square since 2009.

Most recently, Flat E, 19, Belsize Park Gardens, London, NW3 4JG, a leasehold flat, sold at £1,325,000 on the 4th February 2026.

Read more about house prices in NW3.

• Sold Feb 2026£1,325,000 | 3 Bed FlatFlat E, 19, Belsize Park Gardens, London, NW3 4JGFlat E, 19, Belsize Park Gardens, London, NW3 4JG
• Sold Aug 2025£1,040,000 | 3 Bed Flat44A, Belsize Square, London, NW3 4HN44A, Belsize Square, London, NW3 4HN
• Sold Jan 2025£1,250,000 | 3 Bed Flat43D , Belsize Square, London, NW3 4HN43D , Belsize Square, London, NW3 4HN
• Sold Jul 2024£1,325,000 | 3 Bed FlatFlat 4, 3, Buckland Crescent, London, NW3 5DHFlat 4, 3, Buckland Crescent, London, NW3 5DH
• Sold Jan 2024£1,270,000 | 3 Bed FlatFlat 2, 6, Lancaster Drive, London, NW3 4HAFlat 2, 6, Lancaster Drive, London, NW3 4HA
• Sold Sep 2021£1,055,000 | 3 Bed FlatFlat 4, 22, Crossfield Road, London, NW3 4NTFlat 4, 22, Crossfield Road, London, NW3 4NT
• 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£1,550,000 | 3 Bed Flat18D , Belsize Park, London, NW3 4DU18D , Belsize Park, London, NW3 4DU
• Sold Sep 2015£1,700,000 | 3 Bed Flat23A , Belsize Park Gardens, London, NW3 4JH23A , Belsize Park Gardens, London, NW3 4JH
• Sold Jul 2011£820,000 | 3 Bed FlatFlat D, 19, Belsize Park Gardens, London, NW3 4JGFlat D, 19, Belsize Park Gardens, London, NW3 4JG
• Sold Nov 2009£810,000 | 3 Bed FlatFlat 9, Adamsfields 28, Adamson Road, London, NW3 3JBFlat 9, Adamsfields 28, Adamson Road, London, NW3 3JB

Agents in our network have reported 2 lettings within 270 metres of 28C, Belsize Square 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 28C, Belsize Square as the 31st largest and the 110th most expensive of the 264 addresses on Belsize Square, London, NW3.

Against the NW3 postcode district average, it is £293k less expensive than the typical property.

• Holy Trinity CofE Primary School, NW3

  600 m away
• Rosary Catholic Primary School

  600 m away
• St Paul's Church of England Primary School

  800 m away

• The UCL Academy

  600 m away
• Harris Academy St John's Wood

  1.1 km away
• Haverstock School

  1.2 km away

• Belsize Park

  |

  500 m away
• Swiss Cottage

  |

  500 m away
• Finchley Road

  |

  700 m away

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