Flat 1, 12A, Belsize Park has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Mar 2014.

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

Since 2009 47 properties similar to Flat 1, 12A, Belsize Park have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th November 2025, was Flat 3, 29, Belsize Park, London, NW3 4DX, a leasehold flat which sold for £670,000.

Read more about house prices in NW3.

• Sold Nov 2025£670,000 | 2 Bed FlatFlat 3, 29, Belsize Park, London, NW3 4DXFlat 3, 29, Belsize Park, London, NW3 4DX
• Sold Jul 2025£845,000 | 2 Bed Flat25G , Belsize Park Gardens, London, NW3 4JH25G , Belsize Park Gardens, London, NW3 4JH
• Sold Mar 2025£475,000 | 2 Bed FlatFlat 3, 28, Belsize Park Gardens, London, NW3 4LHFlat 3, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Feb 2025£880,000 | 2 Bed Flat25D , Belsize Park Gardens, London, NW3 4JH25D , Belsize Park Gardens, London, NW3 4JH
• Sold Sep 2024£625,000 | 2 Bed Flat19A, Belsize Park, London, NW3 4DU19A, Belsize Park, London, NW3 4DU
• Sold Aug 2024£512,500 | 2 Bed Flat19, Mccrone Mews, London, NW3 5BG19, Mccrone Mews, London, NW3 5BG
• Sold Dec 2023£880,000 | 2 Bed FlatFlat 6, 33, Belsize Park, London, NW3 4DXFlat 6, 33, Belsize Park, London, NW3 4DX
• Sold Oct 2023£721,500 | 2 Bed FlatFlat 4, Claridge House 13, Belsize Park, London, NW3 4ESFlat 4, Claridge House 13, Belsize Park, London, NW3 4ES
• Sold Jun 2023£745,000 | 2 Bed FlatFlat 4, 14, Belsize Park, London, NW3 4ESFlat 4, 14, Belsize Park, London, NW3 4ES
• Sold Apr 2023£800,000 | 2 Bed FlatFlat 1, 11, Belsize Park, London, NW3 4ESFlat 1, 11, Belsize Park, London, NW3 4ES
• Sold Jan 2023£675,000 | 2 Bed FlatFlat 5, 11, Belsize Park, London, NW3 4ESFlat 5, 11, Belsize Park, London, NW3 4ES
• Sold Jun 2022£560,000 | 2 Bed FlatFlat 2, 5, Belsize Avenue, London, NW3 4BLFlat 2, 5, Belsize Avenue, London, NW3 4BL
• Sold Apr 2022£655,000 | 2 Bed Flat23, Mccrone Mews, London, NW3 5BG23, Mccrone Mews, London, NW3 5BG
• Sold Jun 2021£525,000 | 2 Bed Flat12, Mccrone Mews, London, NW3 5BG12, Mccrone Mews, London, NW3 5BG
• Sold Apr 2021£825,000 | 2 Bed FlatFlat 4, 1, Buckland Crescent, London, NW3 5DHFlat 4, 1, Buckland Crescent, London, NW3 5DH
• Sold Mar 2021£750,000 | 2 Bed FlatFlat 3, 62, Belsize Lane, London, NW3 5ARFlat 3, 62, Belsize Lane, London, NW3 5AR
• Sold Jan 2021£784,000 | 2 Bed FlatFlat 7, 28, Belsize Park, London, NW3 4DXFlat 7, 28, Belsize Park, London, NW3 4DX
• Sold Feb 2020£620,000 | 2 Bed Flat7E , Belsize Park Gardens, London, NW3 4LB7E , Belsize Park Gardens, London, NW3 4LB
• Sold Jul 2015£649,999 | 2 Bed FlatFlat 1, 28, Belsize Park Gardens, London, NW3 4LHFlat 1, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Dec 2009£442,500 | 2 Bed FlatFlat 2, Claridge House 13, Belsize Park, London, NW3 4ESFlat 2, Claridge House 13, Belsize Park, London, NW3 4ES

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to Flat 1, 12A, Belsize Park, all within 270 metres.

The latest, in March 2024, was 3A , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living.

• 
  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.

Of the 423 addresses on Belsize Park, London, NW3, Flat 1, 12A, Belsize Park comes out as the 283rd largest and the 221st most expensive in our analysis of the public data.

It is also £556k 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.