Flat B, 45, Belsize Park has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Sep 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).

The most recent sale of Flat B, 45, Belsize Park completed on 15th September 2015 at £1,500,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 26.1% over the period since September 2015.

• Sold Sep 2015£1,500,000

Since 2015 66 properties similar to Flat B, 45, Belsize Park have sold within a radius of 300 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th August 2025, was 44A, Belsize Square, London, NW3 4HN, a leasehold flat which sold for £1,040,000.

Read more about house prices in NW3.

• Sold Aug 2025£1,040,000 | 3 Bed Flat44A, Belsize Square, London, NW3 4HN44A, Belsize Square, London, NW3 4HN
• Sold Jun 2025£1,850,000 | 3 Bed FlatFlat 2, 7, Adamson Road, London, NW3 3HXFlat 2, 7, Adamson Road, London, NW3 3HX
• Sold May 2025£1,395,000 | 3 Bed FlatFlat 6, 58, Eton Avenue, London, NW3 3HNFlat 6, 58, Eton Avenue, London, NW3 3HN
• Sold May 2025£1,700,000 | 3 Bed FlatFlat 1, 26, College Crescent, London, NW3 5LHFlat 1, 26, College Crescent, London, NW3 5LH
• 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 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 Sep 2024£1,590,000 | 3 Bed FlatFlat 3, 11, Adamson Road, London, NW3 3HXFlat 3, 11, Adamson Road, London, NW3 3HX
• Sold Jul 2024£1,325,000 | 3 Bed FlatFlat 4, 3, Buckland Crescent, London, NW3 5DHFlat 4, 3, Buckland Crescent, London, NW3 5DH
• Sold Jun 2023£1,700,000 | 4 Bed FlatFlat 4, 16, Belsize Park, London, NW3 4ESFlat 4, 16, Belsize Park, London, NW3 4ES
• Sold Dec 2022£1,290,000 | 3 Bed FlatFlat 2, Portland Court 38, Belsize Park, London, NW3 4EDFlat 2, Portland Court 38, Belsize Park, London, NW3 4ED
• Sold Sep 2022£1,520,000 | 3 Bed FlatFlat 1, 14, Belsize Park, London, NW3 4ESFlat 1, 14, Belsize Park, London, NW3 4ES
• Sold Apr 2022£1,350,000 | 3 Bed FlatFlat 2, 26, College Crescent, London, NW3 5LHFlat 2, 26, College Crescent, London, NW3 5LH
• Sold Jan 2020£1,175,000 | 3 Bed FlatFlat 2, 17, Buckland Crescent, London, NW3 5DHFlat 2, 17, Buckland Crescent, London, NW3 5DH
• Sold Jul 2017£1,735,000 | 3 Bed FlatFlat 3, 39, Belsize Park, London, NW3 4EEFlat 3, 39, Belsize Park, London, NW3 4EE
• Sold Nov 2016£1,800,000 | 3 Bed FlatFlat D, 44, Belsize Park, London, NW3 4EEFlat D, 44, Belsize Park, London, NW3 4EE
• Sold Oct 2015£1,550,000 | 3 Bed FlatFlat C, 44, Belsize Park, London, NW3 4EEFlat C, 44, Belsize Park, London, NW3 4EE
• Sold Sep 2015£1,600,000 | 3 Bed FlatFlat C, 45, Belsize Park, London, NW3 4EEFlat C, 45, Belsize Park, London, NW3 4EE
• Sold Jul 2015£1,510,000 | 3 Bed FlatFlat B, 44, Belsize Park, London, NW3 4EEFlat B, 44, Belsize Park, London, NW3 4EE

Over the past 2 years our Estate Agent network has recorded 1 let within 300 metres of Flat B, 45, Belsize Park.

The latest, in February 2025, was 15C, Fitzjohns Avenue, London, NW3 5JY, a leasehold flat let by Fine Living.

• 
  Let agreed Feb 2025£ Undisclosed | 3 Bed Flat15C, Fitzjohns Avenue, London, NW3 5JY15C, Fitzjohns Avenue, London, NW3 5JY

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

Of the 423 addresses on Belsize Park, London, NW3, Flat B, 45, Belsize Park comes out as the 93rd largest and the 78th most expensive in our analysis of the public data.

It is also £5k more expensive than the average property across the NW3 district.

• Holy Trinity CofE Primary School, NW3

  300 m away
• Fitzjohn's Primary School

  800 m away
• Rosary Catholic Primary School

  800 m away

• The UCL Academy

  500 m away
• Harris Academy St John's Wood

  1.0 km away
• Haverstock School

  1.4 km away

• Swiss Cottage

  |

  300 m away
• Finchley Road

  |

  400 m away
• South Hampstead

  |

  600 m away

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