73, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jun 2009.

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 42 sales of properties similar to 73, Flask Walk within a radius of 320 metres since 2010.

The most recent example is 19, Willow Road, London, NW3 1TJ, a freehold house which sold for £3,000,000 on the 9th January 2026.

Read more about house prices in NW3.

• Sold Jan 2026£3,000,000 | 5 Bed House19, Willow Road, London, NW3 1TJ19, Willow Road, London, NW3 1TJ
• Sold Jul 2025£3,420,000 | 4 Bed House1, Gardnor Road, London, NW3 1HA1, Gardnor Road, London, NW3 1HA
• Sold May 2025£3,075,000 | 4 Bed House32, Flask Walk, London, NW3 1HE32, Flask Walk, London, NW3 1HE
• Sold Apr 2025£3,200,000 | 4 Bed House1, Well Road, London, NW3 1LJ1, Well Road, London, NW3 1LJ
• Sold Feb 2025£2,400,000 | 4 Bed House7, Gardnor Road, London, NW3 1HA7, Gardnor Road, London, NW3 1HA
• Sold Jan 2025£2,665,000 | 4 Bed House9, Rudall Crescent, London, NW3 1RR9, Rudall Crescent, London, NW3 1RR
• Sold Jun 2024£2,725,000 | 4 Bed House1, Trinity Close, London, NW3 1SD1, Trinity Close, London, NW3 1SD
• Sold Nov 2023£2,830,000 | 4 Bed House2, Streatley Place, London, NW3 1HP2, Streatley Place, London, NW3 1HP
• Sold Aug 2023£3,100,000 | 4 Bed House51, Willow Road, London, NW3 1TP51, Willow Road, London, NW3 1TP
• Sold Nov 2022£2,675,000 | 4 Bed House63, New End, London, NW3 1HY63, New End, London, NW3 1HY
• Sold Sep 2022£1,915,333 | 4 Bed House35, Willow Road, London, NW3 1TN35, Willow Road, London, NW3 1TN
• Sold Jul 2020£2,225,000 | 4 Bed House71B, Flask Walk, London, NW3 1ET71B, Flask Walk, London, NW3 1ET
• Sold May 2018£2,435,000 | 4 Bed House34, Flask Walk, London, NW3 1HE34, Flask Walk, London, NW3 1HE
• Sold Dec 2017£2,650,000 | 4 Bed House1, The Mount, London, NW3 6SZ1, The Mount, London, NW3 6SZ
• Sold Nov 2017£2,600,000 | 4 Bed House54, Gayton Road, London, NW3 1TU54, Gayton Road, London, NW3 1TU
• Sold Sep 2017£2,350,000 | 4 Bed House32, New End Square, London, NW3 1LS32, New End Square, London, NW3 1LS
• Sold Jul 2017£2,645,000 | 4 Bed House30, New End Square, London, NW3 1LS30, New End Square, London, NW3 1LS
• Sold Jun 2017£2,275,000 | 4 Bed House49, Flask Walk, London, NW3 1HH49, Flask Walk, London, NW3 1HH
• Sold Feb 2011£2,050,000 | 4 Bed House51A, Gayton Road, London, NW3 1TU51A, Gayton Road, London, NW3 1TU
• Sold Oct 2010£1,910,000 | 4 Bed House19, The Mount, London, NW3 6ST19, The Mount, London, NW3 6ST

Flask Walk, London, NW3 has a total of 81 addresses. According to our analysis of all the public data, 73, Flask Walk is the 5th largest and the 2nd most expensive property on the street.

When compared to the postcode district it is £1.318m more expensive than the average property in NW3.

• New End Primary School

  100 m away
• Christ Church Primary School, Hampstead

  200 m away
• Hampstead Parochial Church of England Primary School

  300 m away

• William Ellis School

  1.7 km away
• Parliament Hill School

  1.8 km away
• La Sainte Union Catholic Secondary School

  1.8 km away

• Hampstead

  |

  200 m away
• Hampstead Heath

  |

  700 m away
• Finchley Road & Frognal

  |

  1.0 km away

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