Flat 5, 29, Belsize Park has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Jun 2026.

The property is connected to mains gas and has partial secondary glazing. It is heated using community scheme.

Flat 5, 29, Belsize Park last changed hands on 9th February 2011, selling for £440,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 14.3% since February 2011.

• Sold Feb 2011£440,000

Land Registry records and our Estate Agent network show 37 sales of comparable properties within 280 metres of Flat 5, 29, Belsize Park since 2009.

Most recently, Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat, sold at £545,000 on the 5th December 2025.

Read more about house prices in NW3.

• Sold Dec 2025£545,000 | 1 Bed FlatFlat 2, 22, Belsize Avenue, London, NW3 4AUFlat 2, 22, Belsize Avenue, London, NW3 4AU
• Sold Mar 2025£550,000 | 2 Bed FlatFlat 3, 21, Belsize Avenue, London, NW3 4BLFlat 3, 21, Belsize Avenue, London, NW3 4BL
• Sold Sep 2023£617,500 | 1 Bed FlatFlat D, 10, Belsize Square, London, NW3 4HTFlat D, 10, Belsize Square, London, NW3 4HT
• Sold Sep 2023£587,000 | 2 Bed FlatFlat 11, Jade House 12, Lancaster Grove, London, NW3 4NXFlat 11, Jade House 12, Lancaster Grove, London, NW3 4NX
• Sold Nov 2022£530,000 | 1 Bed FlatFlat 4, 26, Belsize Avenue, London, NW3 4AUFlat 4, 26, Belsize Avenue, London, NW3 4AU
• Sold Sep 2022£455,000 | 1 Bed FlatFlat 4, 47, Belsize Park, London, NW3 4EEFlat 4, 47, Belsize Park, London, NW3 4EE
• Sold Jun 2022£553,000 | 2 Bed Flat16, Mccrone Mews, London, NW3 5BG16, Mccrone Mews, London, NW3 5BG
• Sold Jun 2022£640,000 | 2 Bed FlatFlat 3, 2, Crossfield Road, London, NW3 4NSFlat 3, 2, Crossfield Road, London, NW3 4NS
• Sold Mar 2022£519,000 | 1 Bed Flat4E , Belsize Square, London, NW3 4HT4E , Belsize Square, London, NW3 4HT
• Sold Jun 2021£531,000 | 1 Bed FlatFlat 6, 26, Belsize Avenue, London, NW3 4AUFlat 6, 26, Belsize Avenue, London, NW3 4AU
• Sold Jun 2021£535,000 | 1 Bed FlatFlat 7, 5, Belsize Avenue, London, NW3 4BLFlat 7, 5, Belsize Avenue, London, NW3 4BL
• Sold Apr 2021£525,000 | 1 Bed Flat17, Mccrone Mews, London, NW3 5BG17, Mccrone Mews, London, NW3 5BG
• Sold Feb 2021£515,000 | 1 Bed Flat16D , Belsize Square, London, NW3 4HT16D , Belsize Square, London, NW3 4HT
• Sold Apr 2019£640,000 | 1 Bed FlatFirst Floor Flat, 8, Belsize Crescent, London, NW3 5QUFirst Floor Flat, 8, Belsize Crescent, London, NW3 5QU
• Sold Aug 2018£635,000 | 2 Bed FlatFlat 10, 27, Belsize Park, London, NW3 4DUFlat 10, 27, Belsize Park, London, NW3 4DU
• Sold May 2018£630,000 | 1 Bed FlatFlat 3, 13, Belsize Park Gardens, London, NW3 4JGFlat 3, 13, Belsize Park Gardens, London, NW3 4JG
• Sold May 2018£550,000 | 1 Bed FlatFlat 12, 28, Belsize Avenue, London, NW3 4AUFlat 12, 28, Belsize Avenue, London, NW3 4AU
• Sold Aug 2017£680,000 | 2 Bed FlatFlat 4, 26, Belsize Park, London, NW3 4DUFlat 4, 26, Belsize Park, London, NW3 4DU
• Sold Aug 2013£467,500 | 2 Bed FlatFlat 5, 3, Crossfield Road, London, NW3 4NSFlat 5, 3, Crossfield Road, London, NW3 4NS
• Sold Aug 2009£365,000 | 2 Bed FlatFlat 4, 28, Belsize Park, London, NW3 4DXFlat 4, 28, Belsize Park, London, NW3 4DX

Agents in our network have reported 1 letting within 280 metres of Flat 5, 29, Belsize Park across the last 2 years.

The newest of these is 15C, Fitzjohns Avenue, London, NW3 5JY, a leasehold flat let by Fine Living in February 2025.

• 
  Let agreed Feb 2025£ Undisclosed | 3 Bed Flat15C, Fitzjohns Avenue, London, NW3 5JY15C, Fitzjohns Avenue, London, NW3 5JY

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

Our analysis of the public data ranks Flat 5, 29, Belsize Park as the 303rd largest and the 313th most expensive of the 423 addresses on Belsize Park, London, NW3.

Against the NW3 postcode district average, it is £786k less expensive than the typical property.

• Holy Trinity CofE Primary School, NW3

  400 m away
• Rosary Catholic Primary School

  600 m away
• Fitzjohn's Primary School

  700 m away

• The UCL Academy

  700 m away
• Harris Academy St John's Wood

  1.1 km away
• Haverstock School

  1.4 km away

• Finchley Road

  |

  500 m away
• Swiss Cottage

  |

  500 m away
• Belsize Park

  |

  600 m away

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