Flat 1, 6, Chalcot Gardens last changed hands on 4th September 2009, selling for £835,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 55.2% since September 2009.

Land Registry records and our Estate Agent network show 47 sales of comparable properties within 290 metres of Flat 1, 6, Chalcot Gardens since 2015.

Most recently, Flat 67, Antrim Mansions, Antrim Road, London, NW3 4XL, a leasehold flat, sold at £1,200,000 on the 26th May 2026.

Read more about house prices in NW3.

• Sold May 2026£1,200,000 | 3 Bed FlatFlat 67, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 67, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold Sep 2025£1,200,000 | 3 Bed FlatFlat 61, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 61, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold Jan 2025£1,325,000 | 3 Bed FlatFlat 70, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 70, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold Oct 2024£1,200,000 | 3 Bed FlatFlat 53, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 53, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Aug 2024£1,169,000 | 3 Bed FlatFlat 16, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 16, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Jun 2023£1,100,000 | 3 Bed FlatFlat 71, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 71, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold May 2023£987,500 | 3 Bed FlatFlat 42, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 42, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Dec 2021£1,218,000 | 3 Bed FlatFlat 63, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 63, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold Jun 2021£1,220,000 | 3 Bed FlatFlat 55, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 55, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Feb 2021£1,110,500 | 3 Bed FlatFlat 54, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 54, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Jan 2021£1,070,250 | 3 Bed FlatFlat 32, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 32, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Nov 2020£1,211,216 | 3 Bed FlatFlat 37, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 37, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Sep 2019£1,040,000 | 3 Bed FlatFlat 19, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 19, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Jun 2019£1,040,000 | 3 Bed FlatFlat 36, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 36, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Nov 2018£1,015,000 | 3 Bed FlatFlat 40, Antrim Mansions, Antrim Road, London, NW3 4XUFlat 40, Antrim Mansions, Antrim Road, London, NW3 4XU
• Sold Nov 2017£1,075,000 | 3 Bed FlatFlat 12, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 12, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Apr 2017£1,215,000 | 3 Bed FlatFlat 1, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 1, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Nov 2016£1,150,000 | 3 Bed FlatFlat 69, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 69, Antrim Mansions, Antrim Road, London, NW3 4XL
• Sold Mar 2016£1,302,500 | 3 Bed FlatFlat 25, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 25, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Oct 2015£1,170,000 | 3 Bed FlatFlat 74, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 74, Antrim Mansions, Antrim Road, London, NW3 4XL

Agents in our network have reported 1 letting within 290 metres of Flat 1, 6, Chalcot Gardens 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

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

Our analysis of the public data ranks Flat 1, 6, Chalcot Gardens as the 21st largest and the 17th most expensive of the 48 addresses on Chalcot Gardens, London, NW3.

Against the NW3 postcode district average, it is £115k less expensive than the typical property.

• St Paul's Church of England Primary School

  500 m away
• Rhyl Community Primary School

  700 m away
• Rosary Catholic Primary School

  800 m away

• Haverstock School

  600 m away
• The UCL Academy

  900 m away
• Harris Academy St John's Wood

  1.4 km away

• Belsize Park

  |

  500 m away
• Chalk Farm

  |

  600 m away
• Swiss Cottage

  |

  1.0 km away

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