28B, Belsize Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 May 2024.

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

According to HM Land Registry, 28B, Belsize Square was last sold on 24th March 2016 for £940,000 and was recorded as a leasehold flat.

The property has had 4 sales since 1995.

Since March 2016, the market for similar properties has dropped by 16.2%.

• Sold Mar 2016£940,000
• Sold Dec 2005£450,000
• Sold Sep 1999£257,000

According to the Land Registry and our network of Estate Agents, there have been 44 sales of properties similar to 28B, Belsize Square within a radius of 270 metres since 2007.

The most recent example is Flat 18, 7, Lambolle Road, London, NW3 4HS, a leasehold flat which sold for £750,000 on the 30th January 2026.

Read more about house prices in NW3.

• Sold Jan 2026£750,000 | 2 Bed FlatFlat 18, 7, Lambolle Road, London, NW3 4HSFlat 18, 7, Lambolle Road, London, NW3 4HS
• Sold Nov 2025£670,000 | 2 Bed FlatFlat 3, 29, Belsize Park, London, NW3 4DXFlat 3, 29, Belsize Park, London, NW3 4DX
• Sold Jan 2025£589,995 | 2 Bed FlatFlat 7, 6, Lancaster Drive, London, NW3 4HAFlat 7, 6, Lancaster Drive, London, NW3 4HA
• Sold May 2024£675,000 | 2 Bed Flat27B , Belsize Square, London, NW3 4HU27B , Belsize Square, London, NW3 4HU
• Sold Dec 2023£615,000 | 2 Bed FlatFlat 11, 27, Belsize Park, London, NW3 4DUFlat 11, 27, Belsize Park, London, NW3 4DU
• Sold Mar 2023£765,000 | 2 Bed FlatFlat 15, 7, Lambolle Road, London, NW3 4HSFlat 15, 7, Lambolle Road, London, NW3 4HS
• Sold Apr 2022£867,500 | 2 Bed FlatFlat 4, 5, Lambolle Road, London, NW3 4HSFlat 4, 5, Lambolle Road, London, NW3 4HS
• Sold Feb 2022£975,000 | 2 Bed FlatFlat B, 22, Lambolle Road, London, NW3 4HPFlat B, 22, Lambolle Road, London, NW3 4HP
• Sold Sep 2021£712,000 | 2 Bed FlatFlat 1, 22, Crossfield Road, London, NW3 4NTFlat 1, 22, Crossfield Road, London, NW3 4NT
• Sold Jun 2021£52,500 | 2 Bed Flat4, Lancaster Grove, London, NW3 4NX4, Lancaster Grove, London, NW3 4NX
• Sold Jun 2021£785,000 | 2 Bed Flat8B , Lancaster Grove, London, NW3 4NX8B , Lancaster Grove, London, NW3 4NX
• Sold Jun 2021£793,000 | 2 Bed Flat26A , Lambolle Road, London, NW3 4HR26A , Lambolle Road, London, NW3 4HR
• Sold Aug 2017£750,000 | 2 Bed FlatFlat 13, 7, Lambolle Road, London, NW3 4HSFlat 13, 7, Lambolle Road, London, NW3 4HS
• Sold Sep 2016£600,000 | 1 Bed FlatFlat 14, 7, Lambolle Road, London, NW3 4HSFlat 14, 7, Lambolle Road, London, NW3 4HS
• Sold May 2016£895,000 | 2 Bed Flat27A , Belsize Square, London, NW3 4HU27A , 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 Dec 2011£640,000 | 2 Bed FlatFlat B, 30, Belsize Square, London, NW3 4HUFlat B, 30, Belsize Square, London, NW3 4HU
• Sold Oct 2010£450,000 | 2 Bed FlatFlat 1, 25, Belsize Park, London, NW3 4DUFlat 1, 25, Belsize Park, London, NW3 4DU
• Sold Aug 2007£637,500 | 2 Bed Flat26B , Lambolle Road, London, NW3 4HR26B , Lambolle Road, London, NW3 4HR

Our network of Estate Agents reports 1 let of a property similar to 28B, Belsize Square within a radius of 270 metres 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

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Belsize Square, London, NW3 has a total of 264 addresses. According to our analysis of all the public data, 28B, Belsize Square is the 140th largest and the 176th most expensive property on the street.

When compared to the postcode district it is £646k less expensive than the average property in NW3.

• 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

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