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

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

Land Registry records and our Estate Agent network show 28 sales of comparable properties within 280 metres of 12A, Chalcot Gardens since 2007.

Most recently, Flat 2, Downesbury 40, Steeles Road, London, NW3 4SA, a leasehold flat, sold at £1,050,000 on the 27th November 2025.

Read more about house prices in NW3.

• Sold Nov 2025£1,050,000 | 3 Bed FlatFlat 2, Downesbury 40, Steeles Road, London, NW3 4SAFlat 2, Downesbury 40, Steeles Road, London, NW3 4SA
• Sold Feb 2025£1,100,000 | 2 Bed FlatFlat 4, 14, Eton Avenue, London, NW3 3EHFlat 4, 14, Eton Avenue, London, NW3 3EH
• Sold Nov 2024£714,160 | 3 Bed FlatFlat 2, 8, Belsize Grove, London, NW3 4UNFlat 2, 8, Belsize Grove, London, NW3 4UN
• Sold Oct 2024£955,000 | 3 Bed FlatFlat 8, Downesbury 40, Steeles Road, London, NW3 4SAFlat 8, Downesbury 40, Steeles Road, London, NW3 4SA
• Sold Sep 2023£1,300,000 | 3 Bed FlatFlat 3, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 3, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Sep 2023£1,140,000 | 3 Bed FlatFlat 1, 40, Fellows Road, London, NW3 3LHFlat 1, 40, Fellows Road, London, NW3 3LH
• Sold Dec 2022£950,000 | 2 Bed FlatFlat 2, 11, Eton Avenue, London, NW3 3ELFlat 2, 11, Eton Avenue, London, NW3 3EL
• Sold May 2022£1,025,000 | 2 Bed FlatFlat 2, 8, Chalcot Gardens, London, NW3 4YBFlat 2, 8, Chalcot Gardens, London, NW3 4YB
• Sold May 2022£935,000 | 3 Bed FlatFlat 4, Downesbury 40, Steeles Road, London, NW3 4SAFlat 4, Downesbury 40, Steeles Road, London, NW3 4SA
• 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 Sep 2021£1,235,000 | 3 Bed FlatFlat A, 24, Steeles Road, London, NW3 4REFlat A, 24, Steeles Road, London, NW3 4RE
• Sold Aug 2021£915,000 | 2 Bed Flat3, Steeles Road, London, NW3 4SE3, Steeles Road, London, NW3 4SE
• 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 Feb 2020£1,200,000 | 2 Bed FlatFlat 1, 7, Steeles Road, London, NW3 4SEFlat 1, 7, Steeles Road, London, NW3 4SE
• Sold Aug 2019£906,250 | 2 Bed FlatFlat 3, 6, Chalcot Gardens, London, NW3 4YBFlat 3, 6, Chalcot Gardens, London, NW3 4YB
• Sold May 2018£950,000 | 3 Bed FlatFlat 30, Lowlands 2-8, Eton Avenue, London, NW3 3EJFlat 30, Lowlands 2-8, Eton Avenue, London, NW3 3EJ
• Sold Nov 2013£1,300,000 | 3 Bed FlatFlat D, 48, Primrose Hill Road, London, NW3 3AAFlat D, 48, Primrose Hill Road, London, NW3 3AA
• Sold Jun 2007£645,000 | 3 Bed FlatFlat 9, Antrim Mansions, Antrim Road, London, NW3 4XTFlat 9, Antrim Mansions, Antrim Road, London, NW3 4XT
• Sold Mar 2007£600,000 | 3 Bed FlatFlat 62, Antrim Mansions, Antrim Road, London, NW3 4XLFlat 62, Antrim Mansions, Antrim Road, London, NW3 4XL

Agents in our network have reported 1 letting within 280 metres of 12A, 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 12A, Chalcot Gardens as the 31st largest and the 23rd most expensive of the 48 addresses on Chalcot Gardens, London, NW3.

Against the NW3 postcode district average, it is £255k 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.