Flat 6, 11, Belsize Park has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 05 Jul 2017.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of Flat 6, 11, Belsize Park completed on 28th April 1997 at £175,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

• Sold Apr 1997£175,000

Since 2017 59 properties similar to Flat 6, 11, Belsize Park 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 27D, Belsize Square, London, NW3 4HU, a leasehold flat which sold for £862,500.

Read more about house prices in NW3.

• Sold Jan 2026£862,500 | 3 Bed Flat27D, Belsize Square, London, NW3 4HU27D, Belsize Square, London, NW3 4HU
• 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 Jun 2025£1,150,000 | 3 Bed FlatFlat 4, 28, Belsize Park Gardens, London, NW3 4LHFlat 4, 28, Belsize Park Gardens, London, NW3 4LH
• Sold May 2025£809,000 | 2 Bed FlatFlat C, 17, Belsize Crescent, London, NW3 5QYFlat C, 17, Belsize Crescent, London, NW3 5QY
• Sold Mar 2025£1,125,000 | 3 Bed FlatFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 1, Jade House 12, Lancaster Grove, London, NW3 4NX
• 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 Nov 2024£1,090,000 | 3 Bed FlatFlat 5, 8, Belsize Square, London, NW3 4HTFlat 5, 8, Belsize Square, London, NW3 4HT
• Sold Sep 2024£910,500 | 2 Bed FlatFlat 2, 47, Belsize Square, London, NW3 4HNFlat 2, 47, Belsize Square, London, NW3 4HN
• Sold Sep 2024£800,000 | 2 Bed Flat19B, Belsize Park, London, NW3 4DU19B, Belsize Park, London, NW3 4DU
• Sold Mar 2024£1,085,000 | 2 Bed FlatFlat 4, 11, Belsize Avenue, London, NW3 4BLFlat 4, 11, Belsize Avenue, London, NW3 4BL
• Sold Jun 2023£935,000 | 2 Bed FlatFlat 9, 28, Belsize Park Gardens, London, NW3 4LHFlat 9, 28, Belsize Park Gardens, London, NW3 4LH
• 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 Mar 2021£1,360,000 | 2 Bed Flat1A, Belsize Park Gardens, London, NW3 4LB1A, Belsize Park Gardens, London, NW3 4LB
• 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 May 2019£1,160,000 | 3 Bed FlatFlat 1, 47, Belsize Square, London, NW3 4HNFlat 1, 47, Belsize Square, London, NW3 4HN
• Sold Oct 2017£1,232,000 | 3 Bed FlatFlat 2, 25, Belsize Park, London, NW3 4DUFlat 2, 25, Belsize Park, London, NW3 4DU
• Sold Jul 2017£1,250,000 | 2 Bed Flat15C , Buckland Crescent, London, NW3 5DH15C , Buckland Crescent, London, NW3 5DH

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to Flat 6, 11, Belsize Park, 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 423 addresses on Belsize Park, London, NW3, Flat 6, 11, Belsize Park comes out as the 185th largest and the 173rd most expensive in our analysis of the public data.

It is also £358k less expensive than the average property across the NW3 district.

• Holy Trinity CofE Primary School, NW3

  500 m away
• Rosary Catholic Primary School

  500 m away
• Fitzjohn's Primary School

  700 m away

• The UCL Academy

  700 m away
• Harris Academy St John's Wood

  1.2 km away
• Haverstock School

  1.3 km away

• Belsize Park

  |

  500 m away
• Swiss Cottage

  |

  600 m away
• Finchley Road

  |

  600 m away

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