12B, Chalcot Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 May 2011.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 27 sales of comparable properties within 280 metres of 12B, Chalcot Gardens since 2007.

Most recently, Flat 2, 28, Fellows Road, London, NW3 3LH, a leasehold flat, sold at £915,000 on the 7th November 2025.

Read more about house prices in NW3.

• Sold Nov 2025£915,000 | 2 Bed FlatFlat 2, 28, Fellows Road, London, NW3 3LHFlat 2, 28, Fellows Road, London, NW3 3LH
• Sold Feb 2025£1,100,000 | 2 Bed FlatFlat 4, 14, Eton Avenue, London, NW3 3EHFlat 4, 14, Eton Avenue, London, NW3 3EH
• Sold Jul 2024£920,000 | 2 Bed Flat6, Palm Court 11-13, Fellows Road, London, NW3 3LT6, Palm Court 11-13, Fellows Road, London, NW3 3LT
• Sold Dec 2022£950,000 | 2 Bed FlatFlat 2, 11, Eton Avenue, London, NW3 3ELFlat 2, 11, Eton Avenue, London, NW3 3EL
• Sold Sep 2022£1,295,000 | 2 Bed FlatFlat 12A, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 12A, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold May 2022£1,025,000 | 2 Bed FlatFlat 2, 8, Chalcot Gardens, London, NW3 4YBFlat 2, 8, Chalcot Gardens, London, NW3 4YB
• Sold Sep 2021£786,000 | 2 Bed FlatFlat 17, Ormonde Court 10-14, Belsize Grove, London, NW3 4UPFlat 17, Ormonde Court 10-14, Belsize Grove, London, NW3 4UP
• Sold Dec 2020£825,000 | 2 Bed FlatFlat 4, 39, Primrose Gardens, London, NW3 4ULFlat 4, 39, Primrose Gardens, London, NW3 4UL
• Sold Dec 2020£800,000 | 2 Bed FlatFlat 1, 132, Haverstock Hill, London, NW3 2AYFlat 1, 132, Haverstock Hill, London, NW3 2AY
• Sold Oct 2020£1,125,000 | 2 Bed FlatFlat 5, 13, Steeles Road, London, NW3 4SEFlat 5, 13, Steeles Road, London, NW3 4SE
• Sold Nov 2019£740,000 | 2 Bed FlatFlat 9, Lowlands 2-8, Eton Avenue, London, NW3 3EJFlat 9, Lowlands 2-8, Eton Avenue, London, NW3 3EJ
• Sold Aug 2019£906,250 | 2 Bed FlatFlat 3, 6, Chalcot Gardens, London, NW3 4YBFlat 3, 6, Chalcot Gardens, London, NW3 4YB
• Sold Nov 2018£660,000 | 2 Bed FlatFlat 1, Ormonde Court 10-14, Belsize Grove, London, NW3 4UPFlat 1, Ormonde Court 10-14, Belsize Grove, London, NW3 4UP
• Sold May 2017£925,000 | 2 Bed FlatFlat 5, 14, Eton Avenue, London, NW3 3EHFlat 5, 14, Eton Avenue, London, NW3 3EH
• Sold Jun 2016£800,000 | 2 Bed FlatFlat 4, Lowlands 2-8, Eton Avenue, London, NW3 3EJFlat 4, Lowlands 2-8, Eton Avenue, London, NW3 3EJ
• Sold Jan 2016£930,000 | 2 Bed FlatFlat 6, Ormonde Court 10-14, Belsize Grove, London, NW3 4UPFlat 6, Ormonde Court 10-14, Belsize Grove, London, NW3 4UP
• Sold Aug 2015£841,250 | 2 Bed FlatFlat 18, Ormonde Court 10-14, Belsize Grove, London, NW3 4UPFlat 18, Ormonde Court 10-14, Belsize Grove, London, NW3 4UP
• Sold Jul 2013£975,000 | 2 Bed FlatFlat 2, 6, Chalcot Gardens, London, NW3 4YBFlat 2, 6, Chalcot Gardens, London, NW3 4YB
• Sold Dec 2009£676,500 | 2 Bed FlatFlat 11, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 11, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Dec 2007£615,000 | 2 Bed Flat78E , Belsize Park Gardens, London, NW3 4NG78E , Belsize Park Gardens, London, NW3 4NG

Agents in our network have reported 1 letting within 280 metres of 12B, 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 12B, Chalcot Gardens as the 38th largest and the 26th most expensive of the 48 addresses on Chalcot Gardens, London, NW3.

Against the NW3 postcode district average, it is £318k 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.