HM Land Registry records the plot of land for 56, Belsize Avenue as measuring 240 m².

56, Belsize Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Dec 2008.

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

The most recent sale of 56, Belsize Avenue completed on 8th January 2010 at £2,325,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 115.3% over the period since January 2010.

• Sold Jan 2010£2,325,000

Since 2008 13 properties similar to 56, Belsize Avenue have sold within a radius of 260 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 30th January 2026, was 26, Glenmore Road, London, NW3 4DB, a freehold house which sold for £3,253,000.

Read more about house prices in NW3.

• Sold Jan 2026£3,253,000 | 5 Bed House26, Glenmore Road, London, NW3 4DB26, Glenmore Road, London, NW3 4DB
• Sold Dec 2025£3,200,000 | 5 Bed House23, Glenmore Road, London, NW3 4BY23, Glenmore Road, London, NW3 4BY
• Sold Jan 2025£3,742,000 | 5 Bed House9, Glenilla Road, London, NW3 4AJ9, Glenilla Road, London, NW3 4AJ
• Sold Mar 2023£3,340,000 | 5 Bed House19, Glenilla Road, London, NW3 4AL19, Glenilla Road, London, NW3 4AL
• Sold Apr 2022£3,995,000 | 5 Bed House25, Glenmore Road, London, NW3 4BY25, Glenmore Road, London, NW3 4BY
• Sold Aug 2021£3,650,000 | 5 Bed House17, Glenilla Road, London, NW3 4AL17, Glenilla Road, London, NW3 4AL
• Sold Mar 2020£3,200,000 | 5 Bed House1, Glenmore Road, London, NW3 4BY1, Glenmore Road, London, NW3 4BY
• Sold Feb 2017£4,100,000 | 6 Bed House24, Belsize Lane, London, NW3 5AB24, Belsize Lane, London, NW3 5AB
• Sold Jul 2015£3,500,000 | 5 Bed House3, Howitt Road, London, NW3 4LT3, Howitt Road, London, NW3 4LT
• Sold Apr 2012£2,450,000 | 5 Bed House241, Haverstock Hill, London, NW3 4PR241, Haverstock Hill, London, NW3 4PR
• Sold Aug 2011£1,950,000 | 6 Bed House17, Glenloch Road, London, NW3 4DJ17, Glenloch Road, London, NW3 4DJ
• Sold Sep 2009£1,750,000 | 5 Bed House7, Howitt Road, London, NW3 4LT7, Howitt Road, London, NW3 4LT
• Sold Jul 2008£2,815,000 | 5 Bed House50, Belsize Avenue, London, NW3 4AE50, Belsize Avenue, London, NW3 4AE

Of the 446 addresses on Belsize Avenue, London, NW3, 56, Belsize Avenue comes out as the 17th largest and the 9th most expensive in our analysis of the public data.

It is also £2.365m more expensive than the average property across the NW3 district.

• Rosary Catholic Primary School

  200 m away
• Fleet Primary School

  600 m away
• Fitzjohn's Primary School

  700 m away

• The UCL Academy

  1.0 km away
• Haverstock School

  1.2 km away
• William Ellis School

  1.5 km away

• Belsize Park

  |

  200 m away
• Hampstead Heath

  |

  600 m away
• Swiss Cottage

  |

  900 m away

The flood risk here is rated Very Low, based on Environment Agency data.