41F, Belsize Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Jan 2019.

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

According to the Land Registry and our network of Estate Agents, there have been 23 sales of properties similar to 41F, Belsize Square within a radius of 260 metres since 2007.

The most recent example is 6, Mccrone Mews, London, NW3 5BG, a leasehold flat which sold for £585,000 on the 2nd June 2025.

Read more about house prices in NW3.

• Sold Jun 2025£585,000 | 1 Bed Flat6, Mccrone Mews, London, NW3 5BG6, Mccrone Mews, London, NW3 5BG
• Sold Mar 2024£360,000 | 1 Bed FlatFlat 7, 42, Belsize Park Gardens, London, NW3 4LYFlat 7, 42, Belsize Park Gardens, London, NW3 4LY
• Sold Jul 2023£525,000 | 1 Bed FlatFlat 5, 5, Belsize Avenue, London, NW3 4BLFlat 5, 5, Belsize Avenue, London, NW3 4BL
• Sold Sep 2022£615,000 | 1 Bed FlatFlat 3, Claridge House 13, Belsize Park, London, NW3 4ESFlat 3, Claridge House 13, Belsize Park, London, NW3 4ES
• Sold Jan 2021£525,000 | 1 Bed Flat41D, Belsize Square, London, NW3 4HN41D, Belsize Square, London, NW3 4HN
• Sold Dec 2019£490,000 | 1 Bed FlatFlat 6, 5, Belsize Avenue, London, NW3 4BLFlat 6, 5, Belsize Avenue, London, NW3 4BL
• Sold Nov 2019£975,000 | 1 Bed FlatFlat D, 25, Lancaster Grove, London, NW3 4EXFlat D, 25, Lancaster Grove, London, NW3 4EX
• Sold Dec 2017£485,000 | 1 Bed FlatFlat 3, 51, Belsize Park Gardens, London, NW3 4JLFlat 3, 51, Belsize Park Gardens, London, NW3 4JL
• Sold Sep 2016£525,000 | 1 Bed FlatFlat 1, 42, Belsize Park Gardens, London, NW3 4LYFlat 1, 42, Belsize Park Gardens, London, NW3 4LY
• Sold Mar 2016£602,500 | 1 Bed Flat16G , Belsize Square, London, NW3 4HT16G , Belsize Square, London, NW3 4HT
• Sold Dec 2013£625,000 | 1 Bed FlatFlat E, 10, Belsize Square, London, NW3 4HTFlat E, 10, Belsize Square, London, NW3 4HT
• Sold Jun 2013£360,000 | 1 Bed FlatFlat 4, 5, Belsize Avenue, London, NW3 4BLFlat 4, 5, Belsize Avenue, London, NW3 4BL
• Sold Jul 2012£249,250 | 1 Bed Flat54A , Glenloch Road, London, NW3 4DL54A , Glenloch Road, London, NW3 4DL
• Sold Mar 2012£357,500 | 1 Bed FlatFlat 5, 38, Belsize Square, London, NW3 4HLFlat 5, 38, Belsize Square, London, NW3 4HL
• Sold Feb 2012£374,500 | 1 Bed FlatFlat 9, 27, Belsize Park, London, NW3 4DUFlat 9, 27, Belsize Park, London, NW3 4DU
• Sold Dec 2011£433,300 | 1 Bed FlatFlat 3, 20, Belsize Park Gardens, London, NW3 4LHFlat 3, 20, Belsize Park Gardens, London, NW3 4LH
• Sold Oct 2010£350,000 | 1 Bed FlatFlat 1, 4, Belsize Park Gardens, London, NW3 4LDFlat 1, 4, Belsize Park Gardens, London, NW3 4LD
• Sold Apr 2010£210,000 | 1 Bed FlatFlat 8, 27, Belsize Park, London, NW3 4DUFlat 8, 27, Belsize Park, London, NW3 4DU
• Sold Mar 2008£308,000 | 1 Bed FlatFlat 8, 17, Crossfield Road, London, NW3 4NTFlat 8, 17, Crossfield Road, London, NW3 4NT
• Sold Oct 2007£317,500 | 1 Bed FlatFlat C, 3, Belsize Square, London, NW3 4HTFlat C, 3, Belsize Square, London, NW3 4HT

Our network of Estate Agents reports 2 lets within 260 metres of 41F, Belsize Square over the last 2 years.

Most recently, 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat, was let by Fine Living in February 2025.

• 
  Let agreed Feb 2025£ Undisclosed | 2 Bed Flat3B , Lancaster Drive, London, NW3 4EY3B , Lancaster Drive, London, NW3 4EY
• 
  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.

Belsize Square, London, NW3 has a total of 264 addresses. According to our analysis of all the public data, 41F, Belsize Square is the 245th largest and the 241st most expensive property on the street.

When compared to the postcode district it is £830k less expensive than the average property in NW3.

• Rosary Catholic Primary School

  500 m away
• Holy Trinity CofE Primary School, NW3

  600 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

  1.2 km away

• Belsize Park

  |

  500 m away
• Swiss Cottage

  |

  600 m away
• Finchley Road

  |

  700 m away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.