Flat 25, Cygnet House 83-89 has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Feb 2021.

The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.

Flat 25, Cygnet House 83-89 last changed hands on 13th February 2004, selling for £137,500. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Feb 2004£137,500

Land Registry records and our Estate Agent network show 20 sales of comparable properties within 260 metres of Flat 25, Cygnet House 83-89 across the last 2 years.

Most recently, Flat 37, Cygnet House 83-89 , Belsize Road, London, NW6 4AR, a leasehold flat, sold at £240,000 on the 24th October 2025.

Read more about house prices in NW6.

• Sold Oct 2025£240,000 | 1 Bed FlatFlat 37, Cygnet House 83-89 , Belsize Road, London, NW6 4ARFlat 37, Cygnet House 83-89 , Belsize Road, London, NW6 4AR
• Sold Oct 2024£212,000 | 1 Bed FlatFlat 34, Cygnet House 83-89 , Belsize Road, London, NW6 4ARFlat 34, Cygnet House 83-89 , Belsize Road, London, NW6 4AR
• Sold Oct 2023£175,000 | 1 Bed FlatFlat 40, Cygnet House 83-89 , Belsize Road, London, NW6 4ARFlat 40, Cygnet House 83-89 , Belsize Road, London, NW6 4AR

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Agents in our network have reported 3 lettings within 260 metres of Flat 25, Cygnet House 83-89 across the last 2 years.

The newest of these is Flat 11, Dinerman Court 38-42, Boundary Road, London, NW8 0HQ, a leasehold flat let by Jorgensen Turner in October 2025.

• 
  Let Oct 2025£ Undisclosed | FlatFlat 11, Dinerman Court 38-42, Boundary Road, London, NW8 0HQFlat 11, Dinerman Court 38-42, Boundary Road, London, NW8 0HQ
• 
  Let Jun 2024£ Undisclosed | 2 Bed Flat12, Alexandra Place, London, NW8 0DY12, Alexandra Place, London, NW8 0DY
• 
  Let Aug 2020£ Undisclosed | FlatFlat 2, Dinerman Court 38-42, Boundary Road, London, NW8 0HQFlat 2, Dinerman Court 38-42, Boundary Road, London, NW8 0HQ

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks Flat 25, Cygnet House 83-89 as the 679th largest and the 700th most expensive of the 735 addresses on Belsize Road, London, NW6.

Against the NW6 postcode district average, it is £474k less expensive than the typical property.

• Holy Trinity CofE Primary School, NW3

  700 m away
• St Mary's Kilburn Church of England Primary School

  700 m away
• St Eugene de Mazenod Roman Catholic Primary School

  800 m away

• Harris Academy St John's Wood

  500 m away
• The UCL Academy

  800 m away
• St George's Catholic School

  900 m away

• South Hampstead

  |

  200 m away
• Swiss Cottage

  |

  600 m away
• Finchley Road

  |

  700 m away

Environment Agency data suggests this area has a Very Low risk of flooding.