Flat C, 30, Belsize Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2020.

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

Since 2016 93 properties similar to Flat C, 30, Belsize Square have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.

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

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 Jul 2025£700,000 | 2 Bed FlatFlat 8, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 8, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Feb 2025£880,000 | 2 Bed Flat25D , Belsize Park Gardens, London, NW3 4JH25D , Belsize Park Gardens, London, NW3 4JH
• Sold Jan 2025£589,995 | 2 Bed FlatFlat 7, 6, Lancaster Drive, London, NW3 4HAFlat 7, 6, Lancaster Drive, London, NW3 4HA
• Sold Nov 2024£755,000 | 2 Bed FlatFlat 6, 24, Belsize Park, London, NW3 4DUFlat 6, 24, Belsize Park, London, NW3 4DU
• Sold Oct 2024£790,000 | 2 Bed FlatFlat 7, 5, Lambolle Road, London, NW3 4HSFlat 7, 5, Lambolle Road, London, NW3 4HS
• Sold Oct 2024£425,000 | 2 Bed Flat59A, Belsize Park Gardens, London, NW3 4JN59A, Belsize Park Gardens, London, NW3 4JN
• Sold Sep 2024£800,000 | 2 Bed Flat19B, Belsize Park, London, NW3 4DU19B, Belsize Park, London, NW3 4DU
• Sold Aug 2024£885,000 | 2 Bed Flat9B , Belsize Avenue, London, NW3 4BL9B , Belsize Avenue, London, NW3 4BL
• 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 Jul 2023£840,000 | 2 Bed FlatFlat 2, 50, Belsize Square, London, NW3 4HNFlat 2, 50, Belsize Square, London, NW3 4HN
• Sold Mar 2023£765,000 | 2 Bed FlatFlat 15, 7, Lambolle Road, London, NW3 4HSFlat 15, 7, 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£793,000 | 2 Bed Flat26A , Lambolle Road, London, NW3 4HR26A , Lambolle Road, London, NW3 4HR
• Sold Aug 2020£755,000 | 2 Bed FlatFlat 6, Claridge House 13, Belsize Park, London, NW3 4ESFlat 6, Claridge House 13, Belsize Park, London, NW3 4ES
• Sold Jan 2020£945,000 | 2 Bed FlatFlat 5, 26, Belsize Park, London, NW3 4DUFlat 5, 26, Belsize Park, London, NW3 4DU
• Sold May 2016£895,000 | 2 Bed Flat27A , Belsize Square, London, NW3 4HU27A , Belsize Square, London, NW3 4HU
• Sold Mar 2016£940,000 | 2 Bed Flat28B , Belsize Square, London, NW3 4HU28B , Belsize Square, London, NW3 4HU

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to Flat C, 30, Belsize Square, all within 270 metres.

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

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

Of the 264 addresses on Belsize Square, London, NW3, Flat C, 30, Belsize Square comes out as the 142nd largest and the 154th most expensive in our analysis of the public data.

It is also £573k less expensive than the average property across the NW3 district.

• 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

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