20, Belsize Lane has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Feb 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).

According to HM Land Registry, 20, Belsize Lane was last sold on 14th June 2019 for £2,292,685 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since June 2019, the market for similar properties has risen by 31.1%.

• Sold Jun 2019£2,292,685
• Sold May 2014£1,150,000

According to the Land Registry and our network of Estate Agents, there have been 28 sales of properties similar to 20, Belsize Lane within a radius of 350 metres since 2011.

The most recent example is Flat 7A, 3, Rosslyn Hill, London, NW3 5UL, a leasehold flat which sold for £1,592,500 on the 6th March 2026.

Read more about house prices in NW3.

• Sold Mar 2026£1,592,500 | 3 Bed FlatFlat 7A, 3, Rosslyn Hill, London, NW3 5ULFlat 7A, 3, Rosslyn Hill, London, NW3 5UL
• Sold Apr 2025£1,550,000 | 4 Bed FlatFlat 4, Rosslyn Court 10, Ornan Road, London, NW3 4PUFlat 4, Rosslyn Court 10, Ornan Road, London, NW3 4PU
• Sold Feb 2025£1,515,000 | 4 Bed FlatFlat 1, 8, Lyndhurst Road, London, NW3 5PXFlat 1, 8, Lyndhurst Road, London, NW3 5PX
• Sold Dec 2024£1,675,000 | 3 Bed FlatFlat 49, Belle Vue Apartments, Rowland Hill Street, London, NW3 2AQFlat 49, Belle Vue Apartments, Rowland Hill Street, London, NW3 2AQ
• Sold Sep 2024£1,750,000 | 4 Bed FlatFlat 1, 27, Lyndhurst Road, London, NW3 5PBFlat 1, 27, Lyndhurst Road, London, NW3 5PB
• 
  Sold Jun 2024£192,500 | 3 Bed FlatFlat 5, Rosslyn Heights 2, Belsize Lane, London, NW3 5ABFlat 5, Rosslyn Heights 2, Belsize Lane, London, NW3 5AB
• Sold Apr 2024£1,630,000 | 3 Bed FlatFlat 2, 27, Lyndhurst Road, London, NW3 5PBFlat 2, 27, Lyndhurst Road, London, NW3 5PB
• Sold Apr 2024£1,200,000 | 3 Bed FlatFlat 2, 31, Belsize Avenue, London, NW3 4BLFlat 2, 31, Belsize Avenue, London, NW3 4BL
• Sold May 2022£2,800,000 | 3 Bed FlatFlat 4, 6, Lyndhurst Gardens, London, NW3 5NRFlat 4, 6, Lyndhurst Gardens, London, NW3 5NR
• Sold Apr 2022£900 | 4 Bed FlatFlat 1, 24, Lyndhurst Road, London, NW3 5NXFlat 1, 24, Lyndhurst Road, London, NW3 5NX
• Sold Mar 2022£1,625,000 | 3 Bed Flat6A , Wedderburn Road, London, NW3 5QE6A , Wedderburn Road, London, NW3 5QE
• Sold Dec 2021£1,350,000 | 3 Bed FlatFlat 3, 6, Lyndhurst Gardens, London, NW3 5NRFlat 3, 6, Lyndhurst Gardens, London, NW3 5NR
• Sold Jun 2021£1,300,000 | 4 Bed Flat18B , Wedderburn Road, London, NW3 5QG18B , Wedderburn Road, London, NW3 5QG
• Sold Mar 2021£1,900,000 | 3 Bed FlatFlat 1, 2, Rosslyn Hill, London, NW3 1PHFlat 1, 2, Rosslyn Hill, London, NW3 1PH
• Sold Sep 2020£1,485,000 | 3 Bed FlatFlat 2, 16, Wedderburn Road, London, NW3 5QGFlat 2, 16, Wedderburn Road, London, NW3 5QG
• Sold Jan 2020£1,070,000 | 3 Bed FlatFlat 8, 27, Lyndhurst Road, London, NW3 5PBFlat 8, 27, Lyndhurst Road, London, NW3 5PB
• Sold Nov 2019£1,465,000 | 3 Bed Flat29A, Belsize Avenue, London, NW3 4BL29A, Belsize Avenue, London, NW3 4BL
• Sold Sep 2019£3,775,500 | 3 Bed Flat14A, Hampstead Hill Gardens, London, NW3 2PL14A, Hampstead Hill Gardens, London, NW3 2PL
• Sold Jan 2017£1,525,000 | 4 Bed Flat18A , Belsize Lane, London, NW3 5AB18A , Belsize Lane, London, NW3 5AB
• Sold May 2011£1,200,000 | 4 Bed FlatFlat B, 14, Belsize Lane, London, NW3 5ABFlat B, 14, Belsize Lane, London, NW3 5AB

Belsize Lane, London, NW3 has a total of 210 addresses. According to our analysis of all the public data, 20, Belsize Lane is the 68th largest and the 83rd most expensive property on the street.

When compared to the postcode district it is £244k more expensive than the average property in NW3.

• Rosary Catholic Primary School

  200 m away
• Fitzjohn's Primary School

  500 m away
• Fleet Primary School

  700 m away

• The UCL Academy

  1.2 km away
• Haverstock School

  1.4 km away
• William Ellis School

  1.5 km away

• Belsize Park

  |

  400 m away
• Hampstead Heath

  |

  400 m away
• Hampstead

  |

  800 m away

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