18B, Belsize Park has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Apr 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 the Land Registry and our network of Estate Agents, there have been 34 sales of properties similar to 18B, Belsize Park within a radius of 270 metres since 2008.

The most recent example is Flat E, 19, Belsize Park Gardens, London, NW3 4JG, a leasehold flat which sold for £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 Mar 2025£1,350,000 | 3 Bed FlatFlat 3, 11, Belsize Park, London, NW3 4ESFlat 3, 11, Belsize Park, London, NW3 4ES
• Sold Jan 2025£1,087,000 | 3 Bed Flat19D , Belsize Park, London, NW3 4DU19D , Belsize Park, London, NW3 4DU
• Sold Jan 2025£1,250,000 | 3 Bed Flat43D , Belsize Square, London, NW3 4HN43D , Belsize Square, London, NW3 4HN
• Sold Dec 2024£1,835,000 | 3 Bed FlatFlat 2, 3, Nutley Terrace, London, NW3 5BXFlat 2, 3, Nutley Terrace, London, NW3 5BX
• Sold Nov 2024£1,550,000 | 3 Bed Flat19C , Belsize Park, London, NW3 4DU19C , Belsize Park, London, NW3 4DU
• Sold Oct 2024£1,269,537 | 3 Bed Flat46A, Belsize Square, London, NW3 4HN46A, Belsize Square, London, NW3 4HN
• Sold May 2024£594,000 | 3 Bed Flat27C , Belsize Square, London, NW3 4HU27C , Belsize Square, London, NW3 4HU
• Sold May 2024£1,000,000 | 4 Bed FlatFlat 6, 23, Belsize Park, London, NW3 4DUFlat 6, 23, Belsize Park, London, NW3 4DU
• Sold Jan 2023£1,420,000 | 3 Bed Flat25C , Belsize Avenue, London, NW3 4BL25C , Belsize Avenue, London, NW3 4BL
• Sold Aug 2022£1,510,000 | 3 Bed FlatFlat 1, 26, Belsize Avenue, London, NW3 4AUFlat 1, 26, Belsize Avenue, London, NW3 4AU
• Sold Feb 2022£1,600,000 | 3 Bed Flat6, Belsize Park Gardens, London, NW3 4LD6, Belsize Park Gardens, London, NW3 4LD
• 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 Mar 2018£1,160,000 | 3 Bed Flat44B , Belsize Square, London, NW3 4HN44B , Belsize Square, London, NW3 4HN
• Sold Oct 2016£1,300,000 | 3 Bed Flat1 Avenue House, Belsize Park Gardens, London, NW3 4LA1 Avenue House, Belsize Park Gardens, London, NW3 4LA
• Sold May 2015£1,230,500 | 3 Bed Flat43A, Belsize Square, London, NW3 4HN43A, Belsize Square, London, NW3 4HN
• Sold Mar 2011£932,000 | 3 Bed Flat28C , Belsize Square, London, NW3 4HU28C , Belsize Square, London, NW3 4HU
• Sold Sep 2008£1,160,000 | 4 Bed Flat18C , Belsize Park, London, NW3 4DU18C , Belsize Park, London, NW3 4DU

Our network of Estate Agents reports 2 lets within 270 metres of 18B, Belsize Park 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
• 
  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.

Belsize Park, London, NW3 has a total of 423 addresses. According to our analysis of all the public data, 18B, Belsize Park is the 89th largest and the 120th most expensive property on the street.

When compared to the postcode district it is £197k less expensive than the average property in NW3.

• 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

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