Flat B, 6, Belsize Grove last changed hands on 13th January 2020, selling for £1,525,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 13.8% since January 2020.

• Sold Jan 2020£1,525,000
• Sold Jul 2016£1,620,000
• Sold Sep 1997£260,000

Land Registry records and our Estate Agent network show 27 sales of comparable properties within 250 metres of Flat B, 6, Belsize Grove since 2010.

Most recently, Flat B, 4, Belsize Grove, London, NW3 4UN, a leasehold flat, sold at £1,160,000 on the 28th March 2025.

Read more about house prices in NW3.

• Sold Mar 2025£1,160,000 | 3 Bed FlatFlat B, 4, Belsize Grove, London, NW3 4UNFlat B, 4, Belsize Grove, London, NW3 4UN
• 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 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 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 Jul 2020£1,760,000 | 3 Bed FlatFlat 8, Belsize Park Firehouse 36, Lancaster Grove, London, NW3 4PBFlat 8, Belsize Park Firehouse 36, Lancaster Grove, London, NW3 4PB
• 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 Mar 2017£1,500,000 | 3 Bed FlatFlat 1, 30, Primrose Gardens, London, NW3 4TNFlat 1, 30, Primrose Gardens, London, NW3 4TN
• Sold Dec 2016£1,775,000 | 3 Bed Flat75C , Belsize Park Gardens, London, NW3 4JP75C , Belsize Park Gardens, London, NW3 4JP
• Sold Oct 2016£955,000 | 3 Bed FlatFlat 26, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XEFlat 26, Straffan Lodge 1-3, Belsize Grove, London, NW3 4XE
• 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 Oct 2013£1,055,000 | 3 Bed FlatFlat 50, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 50, Antrim Mansions, Antrim Road, London, NW3 4XU
• 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

Agents in our network have reported 2 lettings within 250 metres of Flat B, 6, Belsize Grove across the last 2 years.

The newest of these is 12B, Eton Avenue, London, NW3 3EH, a leasehold flat let by Fine Living in August 2025.

• 
  Let agreed Aug 2025£ Undisclosed | 2 Bed Flat12B, Eton Avenue, London, NW3 3EH12B, Eton Avenue, London, NW3 3EH
• 
  Let Jan 2022£ Undisclosed | 1 Bed FlatFlat 13, Romney Court, Haverstock Hill, London, NW3 4RXFlat 13, Romney Court, Haverstock Hill, London, NW3 4RX

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

Our analysis of the public data ranks Flat B, 6, Belsize Grove as the 55th largest and the 72nd most expensive of the 462 addresses on Belsize Grove, London, NW3.

Against the NW3 postcode district average, it is £160k less expensive than the typical property.

• 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

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