4A, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Jan 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 25 sales of comparable properties within 300 metres of 4A, Flask Walk since 2007.

Most recently, Flat 3, 62, Hampstead High Street, London, NW3 1QH, a leasehold flat, sold at £800,000 on the 6th January 2026.

Read more about house prices in NW3.

• Sold Jan 2026£800,000 | 2 Bed FlatFlat 3, 62, Hampstead High Street, London, NW3 1QHFlat 3, 62, Hampstead High Street, London, NW3 1QH
• Sold Feb 2025£1,230,000 | 2 Bed Flat2, Spencer Walk, London, NW3 1QZ2, Spencer Walk, London, NW3 1QZ
• Sold Jan 2025£910,000 | 2 Bed FlatFlat 4, 112, Fitzjohns Avenue, London, NW3 6NTFlat 4, 112, Fitzjohns Avenue, London, NW3 6NT
• Sold Sep 2024£925,000 | 2 Bed Flat2A, Windmill Hill, London, NW3 6RU2A, Windmill Hill, London, NW3 6RU
• Sold May 2024£760,000 | 2 Bed Flat20A, Willoughby Road, London, NW3 1SA20A, Willoughby Road, London, NW3 1SA
• Sold Mar 2022£1,107,500 | 2 Bed Flat60A, Flask Walk, London, NW3 1HE60A, Flask Walk, London, NW3 1HE
• Sold Nov 2021£865,000 | 2 Bed Flat25C , Gayton Road, London, NW3 1TY25C , Gayton Road, London, NW3 1TY
• Sold Sep 2021£900,000 | 2 Bed FlatFlat 2, 17, Willoughby Road, London, NW3 1RTFlat 2, 17, Willoughby Road, London, NW3 1RT
• Sold Feb 2021£720,000 | 2 Bed FlatFlat 3, 10, Frognal Gardens, London, NW3 6UXFlat 3, 10, Frognal Gardens, London, NW3 6UX
• Sold Dec 2019£825,000 | 2 Bed FlatFlat 32, Greenhill, Prince Arthur Road, London, NW3 5UAFlat 32, Greenhill, Prince Arthur Road, London, NW3 5UA
• Sold Aug 2019£800,000 | 2 Bed FlatFlat 9, Gainsborough House, Frognal Rise, London, NW3 6PZFlat 9, Gainsborough House, Frognal Rise, London, NW3 6PZ
• Sold May 2018£770,000 | 2 Bed FlatFlat 3, 60, Hampstead High Street, London, NW3 1QHFlat 3, 60, Hampstead High Street, London, NW3 1QH
• Sold Feb 2018£787,500 | 2 Bed FlatFlat 2, 8, Holly Hill, London, NW3 6SEFlat 2, 8, Holly Hill, London, NW3 6SE
• Sold Dec 2016£550,000 | 2 Bed FlatFlat 2, 18, The Mount, London, NW3 6STFlat 2, 18, The Mount, London, NW3 6ST
• Sold Mar 2016£1,100,000 | 2 Bed FlatFlat B, 1, Ellerdale Road, London, NW3 6BAFlat B, 1, Ellerdale Road, London, NW3 6BA
• Sold Nov 2015£940,000 | 2 Bed FlatFlat 103, Greenhill, Prince Arthur Road, London, NW3 5TYFlat 103, Greenhill, Prince Arthur Road, London, NW3 5TY
• Sold Aug 2014£899,950 | 2 Bed FlatFlat 3, 17, Willoughby Road, London, NW3 1RTFlat 3, 17, Willoughby Road, London, NW3 1RT
• Sold Jul 2010£500,000 | 2 Bed Flat2 Streatley Flats, Streatley Place, London, NW3 1HR2 Streatley Flats, Streatley Place, London, NW3 1HR
• Sold Sep 2009£455,000 | 2 Bed FlatFlat 11A, Gardnor Mansions, Church Row, London, NW3 6URFlat 11A, Gardnor Mansions, Church Row, London, NW3 6UR
• Sold Nov 2007£425,000 | 2 Bed FlatFlat 31, New Court, Lutton Terrace, London, NW3 1HDFlat 31, New Court, Lutton Terrace, London, NW3 1HD

Our analysis of the public data ranks 4A, Flask Walk as the 68th largest and the 68th most expensive of the 81 addresses on Flask Walk, London, NW3.

Against the NW3 postcode district average, it is £457k less expensive than the typical property.

• New End Primary School

  100 m away
• Hampstead Parochial Church of England Primary School

  200 m away
• Christ Church Primary School, Hampstead

  300 m away

• The UCL Academy

  1.7 km away
• William Ellis School

  1.8 km away
• Parliament Hill School

  1.9 km away

• Hampstead

  |

  100 m away
• Hampstead Heath

  |

  800 m away
• Finchley Road & Frognal

  |

  800 m away

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