Flat 1, 30, Belsize Park has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2019.

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

Land Registry records and our Estate Agent network show 42 sales of comparable properties within 280 metres of Flat 1, 30, Belsize Park since 2017.

Most recently, Flat 6, 3, Nutley Terrace, London, NW3 5BX, a leasehold flat, sold at £810,000 on the 12th December 2025.

Read more about house prices in NW3.

• Sold Dec 2025£810,000 | 3 Bed FlatFlat 6, 3, Nutley Terrace, London, NW3 5BXFlat 6, 3, Nutley Terrace, London, NW3 5BX
• Sold Aug 2025£1,273,000 | 3 Bed Flat17A, Crossfield Road, London, NW3 4NT17A, Crossfield Road, London, NW3 4NT
• Sold Jun 2025£887,500 | 2 Bed Flat12B, Belsize Park Gardens, London, NW3 4LD12B, Belsize Park Gardens, London, NW3 4LD
• Sold May 2025£809,000 | 2 Bed FlatFlat C, 17, Belsize Crescent, London, NW3 5QYFlat C, 17, Belsize Crescent, London, NW3 5QY
• Sold Feb 2025£1,135,000 | 2 Bed FlatFlat 3, 5, Belsize Avenue, London, NW3 4BLFlat 3, 5, Belsize Avenue, London, NW3 4BL
• Sold Jan 2025£790,000 | 2 Bed FlatFlat D, 17, Belsize Crescent, London, NW3 5QYFlat D, 17, Belsize Crescent, London, NW3 5QY
• Sold Mar 2024£1,085,000 | 2 Bed FlatFlat 4, 11, Belsize Avenue, London, NW3 4BLFlat 4, 11, Belsize Avenue, London, NW3 4BL
• Sold Mar 2023£980,000 | 2 Bed FlatFlat 5, 21, Fitzjohns Avenue, London, NW3 5JYFlat 5, 21, Fitzjohns Avenue, London, NW3 5JY
• Sold May 2022£1,000,000 | 2 Bed FlatFlat 5, 22, Belsize Square, London, NW3 4HTFlat 5, 22, Belsize Square, London, NW3 4HT
• Sold May 2022£865,000 | 2 Bed FlatFlat E, 10, Daleham Gardens, London, NW3 5DAFlat E, 10, Daleham Gardens, London, NW3 5DA
• Sold Feb 2022£1,100,000 | 3 Bed FlatFlat 1, 3, Buckland Crescent, London, NW3 5DHFlat 1, 3, Buckland Crescent, London, NW3 5DH
• Sold Sep 2021£1,180,000 | 3 Bed FlatFlat 1, 23, Belsize Park, London, NW3 4DUFlat 1, 23, Belsize Park, London, NW3 4DU
• Sold Aug 2021£750,000 | 2 Bed FlatFlat 9, 28, Fitzjohns Avenue, London, NW3 5NBFlat 9, 28, Fitzjohns Avenue, London, NW3 5NB
• Sold Aug 2021£1,040,000 | 3 Bed FlatFlat D, 28, Fitzjohns Avenue, London, NW3 5NBFlat D, 28, Fitzjohns Avenue, London, NW3 5NB
• Sold Jun 2021£905,000 | 2 Bed Flat8A, Belsize Crescent, London, NW3 5QU8A, Belsize Crescent, London, NW3 5QU
• Sold Mar 2021£1,360,000 | 2 Bed Flat1A, Belsize Park Gardens, London, NW3 4LB1A, Belsize Park Gardens, London, NW3 4LB
• Sold Jan 2021£850,000 | 2 Bed FlatFlat 4, 10, Fitzjohns Avenue, London, NW3 5NAFlat 4, 10, Fitzjohns Avenue, London, NW3 5NA
• Sold Aug 2020£698,000 | 2 Bed FlatFlat A, 11, Crossfield Road, London, NW3 4NSFlat A, 11, Crossfield Road, London, NW3 4NS
• Sold Nov 2019£1,250,000 | 2 Bed FlatFlat 3, 1, Belsize Park Gardens, London, NW3 4LBFlat 3, 1, Belsize Park Gardens, London, NW3 4LB
• Sold Jul 2017£1,250,000 | 2 Bed Flat15C , Buckland Crescent, London, NW3 5DH15C , Buckland Crescent, London, NW3 5DH

Agents in our network have reported 1 letting within 280 metres of Flat 1, 30, 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 1, 30, Belsize Park as the 196th largest and the 146th most expensive of the 423 addresses on Belsize Park, London, NW3.

Against the NW3 postcode district average, it is £333k less expensive than the typical property.

• Holy Trinity CofE Primary School, NW3

  400 m away
• Rosary Catholic Primary School

  600 m away
• Fitzjohn's Primary School

  700 m away

• The UCL Academy

  700 m away
• Harris Academy St John's Wood

  1.1 km away
• Haverstock School

  1.4 km away

• Finchley Road

  |

  500 m away
• Swiss Cottage

  |

  500 m away
• Belsize Park

  |

  600 m away

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