Flat 2, 22, Belsize Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 May 2013.

The property is not connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, Flat 2, 22, Belsize Square was last sold on 25th June 2015 for £1,450,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

Since June 2015, the market for similar properties has dropped by 20.2%.

• Sold Jun 2015£1,450,000

According to the Land Registry and our network of Estate Agents, there have been 72 sales of properties similar to Flat 2, 22, Belsize Square within a radius of 280 metres since 2018.

The most recent example is 44A, Belsize Square, London, NW3 4HN, a leasehold flat which sold for £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 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 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 Jan 2025£1,520,000 | 3 Bed FlatFlat 5, 13, Belsize Park Gardens, London, NW3 4JGFlat 5, 13, Belsize Park Gardens, London, NW3 4JG
• Sold Dec 2024£1,370,000 | 3 Bed Flat21B , Buckland Crescent, London, NW3 5DH21B , Buckland Crescent, London, NW3 5DH
• Sold Dec 2024£1,325,000 | 3 Bed FlatFlat 11, Manor Mansions, Belsize Grove, London, NW3 4NBFlat 11, Manor Mansions, Belsize Grove, London, NW3 4NB
• Sold Oct 2024£1,162,000 | 3 Bed FlatFlat B, 31, Lancaster Grove, London, NW3 4EXFlat B, 31, Lancaster Grove, London, NW3 4EX
• Sold Jul 2024£1,563,290 | 3 Bed FlatFlat 5, 42, Belsize Square, London, NW3 4HNFlat 5, 42, Belsize Square, London, NW3 4HN
• Sold Jun 2023£1,700,000 | 4 Bed FlatFlat 4, 16, Belsize Park, London, NW3 4ESFlat 4, 16, Belsize Park, London, NW3 4ES
• Sold Sep 2022£1,520,000 | 3 Bed FlatFlat 1, 14, Belsize Park, London, NW3 4ESFlat 1, 14, Belsize Park, London, NW3 4ES
• Sold Aug 2022£1,330,000 | 3 Bed FlatFlat 4, 22, Belsize Square, London, NW3 4HTFlat 4, 22, Belsize Square, London, NW3 4HT
• Sold Jun 2021£1,200,000 | 3 Bed FlatFlat 2, 9, Belsize Square, London, NW3 4HTFlat 2, 9, Belsize Square, London, NW3 4HT
• Sold Apr 2021£960,000 | 3 Bed FlatFlat 51, Eton Court, Eton Avenue, London, NW3 3HJFlat 51, Eton Court, Eton Avenue, London, NW3 3HJ
• Sold Mar 2021£730,000 | 3 Bed Flat3B , Strathray Gardens, London, NW3 4PA3B , Strathray Gardens, London, NW3 4PA
• Sold Jan 2020£1,175,000 | 3 Bed FlatFlat 2, 17, Buckland Crescent, London, NW3 5DHFlat 2, 17, Buckland Crescent, London, NW3 5DH
• Sold Dec 2019£1,490,000 | 3 Bed Flat18A, Belsize Square, London, NW3 4HT18A, Belsize Square, London, NW3 4HT
• Sold Jun 2018£1,250,000 | 3 Bed Flat44A, Belsize Park Gardens, London, NW3 4LY44A, Belsize Park Gardens, London, NW3 4LY
• Sold Mar 2018£1,160,000 | 3 Bed Flat44B , Belsize Square, London, NW3 4HN44B , Belsize Square, London, NW3 4HN

Our network of Estate Agents reports 2 lets within 280 metres of Flat 2, 22, 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, Flat 2, 22, Belsize Square is the 74th largest and the 50th most expensive property on the street.

When compared to the postcode district it is £58k less expensive than the average property in NW3.

• Holy Trinity CofE Primary School, NW3

  500 m away
• Rosary Catholic Primary School

  600 m away
• St Paul's Church of England Primary School

  800 m away

• The UCL Academy

  600 m away
• Harris Academy St John's Wood

  1.1 km away
• Haverstock School

  1.2 km away

• Swiss Cottage

  |

  500 m away
• Belsize Park

  |

  600 m away
• Finchley Road

  |

  600 m away

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