44, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Nov 2024.

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

According to the Land Registry and our network of Estate Agents, there have been 38 sales of properties similar to 44, Flask Walk within a radius of 300 metres since 2017.

The most recent example is Flat 2, 28, Carlingford Road, London, NW3 1RX, a leasehold flat which sold for £560,000 on the 6th February 2026.

Read more about house prices in NW3.

• Sold Feb 2026£560,000 | 1 Bed FlatFlat 2, 28, Carlingford Road, London, NW3 1RXFlat 2, 28, Carlingford Road, London, NW3 1RX
• Sold Jan 2026£640,000 | 2 Bed FlatFlat 72, Greenhill, Prince Arthur Road, London, NW3 5TZFlat 72, Greenhill, Prince Arthur Road, London, NW3 5TZ
• Sold Jul 2025£725,000 | 2 Bed FlatFlat 15, Willow Hall, Willow Road, London, NW3 1TRFlat 15, Willow Hall, Willow Road, London, NW3 1TR
• Sold Jul 2025£740,000 | 1 Bed FlatFlat 3, 31, Willow Road, London, NW3 1TLFlat 3, 31, Willow Road, London, NW3 1TL
• Sold Oct 2024£600,000 | 2 Bed FlatFlat 120, Greenhill, Prince Arthur Road, London, NW3 5TYFlat 120, Greenhill, Prince Arthur Road, London, NW3 5TY
• Sold Oct 2023£559,000 | 2 Bed FlatFlat 4, Willow Hall, Willow Road, London, NW3 1TRFlat 4, Willow Hall, Willow Road, London, NW3 1TR
• Sold Aug 2023£550,000 | 2 Bed Flat42A, Gayton Road, London, NW3 1TU42A, Gayton Road, London, NW3 1TU
• Sold Sep 2022£700,000 | 2 Bed Flat41C, Gayton Road, London, NW3 1TU41C, Gayton Road, London, NW3 1TU
• Sold Jun 2022£530,000 | 2 Bed FlatFlat 9, Willow Hall, Willow Road, London, NW3 1TRFlat 9, Willow Hall, Willow Road, London, NW3 1TR
• Sold Jun 2022£675,000 | 2 Bed FlatFlat 25, Greenhill, Prince Arthur Road, London, NW3 5UBFlat 25, Greenhill, Prince Arthur Road, London, NW3 5UB
• Sold Apr 2022£450,000 | 2 Bed FlatFlat 62, Greenhill, Prince Arthur Road, London, NW3 5TZFlat 62, Greenhill, Prince Arthur Road, London, NW3 5TZ
• Sold Dec 2021£706,000 | 2 Bed Flat13, Grove Place, London, NW3 1JP13, Grove Place, London, NW3 1JP
• Sold Jan 2021£695,000 | 1 Bed FlatFlat 2, 34, Carlingford Road, London, NW3 1RXFlat 2, 34, Carlingford Road, London, NW3 1RX
• Sold Oct 2020£460,000 | 2 Bed FlatFlat 92, Greenhill, Prince Arthur Road, London, NW3 5TYFlat 92, Greenhill, Prince Arthur Road, London, NW3 5TY
• Sold Sep 2020£200,000 | 2 Bed FlatFlat 23, Greenhill, Prince Arthur Road, London, NW3 5UBFlat 23, Greenhill, Prince Arthur Road, London, NW3 5UB
• Sold Sep 2020£72,000 | 2 Bed FlatFlat 4, Greenhill, Prince Arthur Road, London, NW3 5UBFlat 4, Greenhill, Prince Arthur Road, London, NW3 5UB
• Sold Dec 2019£47,500 | 2 Bed Flat8, Bird In Hand Yard, London, NW3 1HQ8, Bird In Hand Yard, London, NW3 1HQ
• Sold Nov 2019£640,000 | 2 Bed FlatFlat 14, Willow Hall, Willow Road, London, NW3 1TRFlat 14, Willow Hall, Willow Road, London, NW3 1TR
• Sold Apr 2018£552,000 | 2 Bed FlatFlat 59, Greenhill, Prince Arthur Road, London, NW3 5TZFlat 59, Greenhill, Prince Arthur Road, London, NW3 5TZ
• Sold Nov 2017£555,000 | 2 Bed FlatFlat 1, 60, Bakers Passage, London, NW3 1RHFlat 1, 60, Bakers Passage, London, NW3 1RH

Flask Walk, London, NW3 has a total of 81 addresses. According to our analysis of all the public data, 44, Flask Walk is the 77th largest and the 70th most expensive property on the street.

When compared to the postcode district it is £643k less expensive than the average property in NW3.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.