Flat C, 45, Belsize Park has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 05 Aug 2015.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (mains gas).

Flat C, 45, Belsize Park last changed hands on 2nd September 2015, selling for £1,600,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 26.1% since September 2015.

• Sold Sep 2015£1,600,000

Land Registry records and our Estate Agent network show 67 sales of comparable properties within 300 metres of Flat C, 45, Belsize Park since 2015.

Most recently, 44A, Belsize Square, London, NW3 4HN, a leasehold flat, sold at £1,040,000 on the 27th August 2025.

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 Jul 2025£1,177,000 | 3 Bed FlatFlat 3, 4, Belsize Park, London, NW3 4ETFlat 3, 4, Belsize Park, London, NW3 4ET
• Sold Mar 2025£1,210,000 | 3 Bed Flat25C , Fitzjohns Avenue, London, NW3 5JY25C , Fitzjohns Avenue, London, NW3 5JY
• 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£1,250,000 | 3 Bed Flat43D , Belsize Square, London, NW3 4HN43D , Belsize Square, London, NW3 4HN
• Sold Dec 2024£1,370,000 | 3 Bed Flat21B , Buckland Crescent, London, NW3 5DH21B , Buckland Crescent, London, NW3 5DH
• 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 Mar 2021£1,505,000 | 3 Bed FlatFlat B, 61, Belsize Park, London, NW3 4EHFlat B, 61, Belsize Park, London, NW3 4EH
• Sold Jan 2020£1,175,000 | 3 Bed FlatFlat 2, 17, Buckland Crescent, London, NW3 5DHFlat 2, 17, Buckland Crescent, London, NW3 5DH
• 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£1,500,000 | 3 Bed FlatFlat B, 45, Belsize Park, London, NW3 4EEFlat B, 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
• Sold Apr 2015£1,525,000 | 3 Bed Flat77B, Belsize Lane, London, NW3 5AU77B, Belsize Lane, London, NW3 5AU

Agents in our network have reported 1 letting within 300 metres of Flat C, 45, Belsize Park across the last 2 years.

The newest of these is 15C, Fitzjohns Avenue, London, NW3 5JY, a leasehold flat let by Fine Living in February 2025.

• 
  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.

Our analysis of the public data ranks Flat C, 45, Belsize Park as the 113th largest and the 97th most expensive of the 423 addresses on Belsize Park, London, NW3.

Against the NW3 postcode district average, it is £85k less expensive than the typical property.

• 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

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