Flat B, 4, Belsize Grove has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Sep 2009.

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 Flat B, 4, Belsize Grove completed on 28th March 2025 at £1,160,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 14.6% over the period since March 2025.

• Sold Mar 2025£1,160,000

Since 2010 33 properties similar to Flat B, 4, Belsize Grove have sold within a radius of 250 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th December 2024, was Flat 11, Manor Mansions, Belsize Grove, London, NW3 4NB, a leasehold flat which sold for £1,325,000.

Read more about house prices in NW3.

• 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 Dec 2024£1,700,000 | 3 Bed FlatGarden Flat, 6D, Belsize Grove, London, NW3 4UNGarden Flat, 6D, Belsize Grove, London, NW3 4UN
• Sold Jul 2024£1,200,000 | 3 Bed FlatFlat D, 7, Primrose Gardens, London, NW3 4UJFlat D, 7, Primrose Gardens, London, NW3 4UJ
• Sold Jan 2024£1,270,000 | 3 Bed FlatFlat 2, 6, Lancaster Drive, London, NW3 4HAFlat 2, 6, Lancaster Drive, London, NW3 4HA
• Sold Sep 2022£1,430,000 | 3 Bed FlatFlat 44, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 44, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Jun 2022£1,850,000 | 3 Bed FlatFlat 3, 18, Belsize Grove, London, NW3 4UNFlat 3, 18, Belsize Grove, London, NW3 4UN
• Sold Apr 2022£1,895,000 | 3 Bed Flat11B , Primrose Gardens, London, NW3 4UJ11B , Primrose Gardens, London, NW3 4UJ
• Sold Apr 2022£1,200,000 | 3 Bed FlatFlat 8, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XEFlat 8, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XE
• Sold Jan 2022£1,150,000 | 3 Bed FlatFlat 20, Manor Mansions, Belsize Grove, London, NW3 4NBFlat 20, Manor Mansions, Belsize Grove, London, NW3 4NB
• Sold Dec 2021£1,450,000 | 3 Bed Flat42A, Belsize Park Gardens, London, NW3 4LY42A, Belsize Park Gardens, London, NW3 4LY
• Sold Dec 2020£1,350,000 | 3 Bed FlatFlat 31, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 31, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Jan 2020£1,525,000 | 3 Bed FlatFlat B, 6, Belsize Grove, London, NW3 4UNFlat B, 6, Belsize Grove, London, NW3 4UN
• Sold Jul 2019£1,555,000 | 4 Bed FlatFlat C, 4, Belsize Grove, London, NW3 4UNFlat C, 4, Belsize Grove, London, NW3 4UN
• Sold Jun 2017£1,185,000 | 3 Bed FlatFlat 19, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XEFlat 19, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XE
• Sold Dec 2016£1,775,000 | 3 Bed Flat75C , Belsize Park Gardens, London, NW3 4JP75C , Belsize Park Gardens, London, NW3 4JP
• Sold Mar 2016£1,570,000 | 3 Bed FlatFlat A, 71, Belsize Park Gardens, London, NW3 4JPFlat A, 71, Belsize Park Gardens, London, NW3 4JP
• Sold Aug 2015£1,300,000 | 3 Bed FlatFlat 3, 1, Eton Avenue, London, NW3 3ELFlat 3, 1, Eton Avenue, London, NW3 3EL
• Sold Feb 2015£1,550,000 | 3 Bed FlatFlat 14, Manor Mansions, Belsize Grove, London, NW3 4NBFlat 14, Manor Mansions, Belsize Grove, London, NW3 4NB
• Sold Jul 2013£945,000 | 3 Bed FlatFlat 33, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 33, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Dec 2010£1,160,000 | 3 Bed FlatFlat D, 4, Belsize Grove, London, NW3 4UNFlat D, 4, Belsize Grove, London, NW3 4UN

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to Flat B, 4, Belsize Grove, all within 250 metres.

The latest, in August 2025, was 12B, Eton Avenue, London, NW3 3EH, a leasehold flat let by Fine Living.

• 
  Let agreed Aug 2025£ Undisclosed | 2 Bed Flat12B, Eton Avenue, London, NW3 3EH12B, Eton Avenue, London, NW3 3EH

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

Of the 462 addresses on Belsize Grove, London, NW3, Flat B, 4, Belsize Grove comes out as the 50th largest and the 70th most expensive in our analysis of the public data.

It is also £148k less expensive than the average property across the NW3 district.

• Rosary Catholic Primary School

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

  700 m away
• Fleet Primary School

  700 m away

• Haverstock School

  800 m away
• The UCL Academy

  900 m away
• Harris Academy St John's Wood

  1.4 km away

• Belsize Park

  |

  300 m away
• Swiss Cottage

  |

  800 m away
• Hampstead Heath

  |

  900 m away

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