24, Flask Walk has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2026.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (mains gas).

According to HM Land Registry, 24, Flask Walk was last sold on 5th June 2026 for £1,800,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since June 2026, the market for similar properties has dropped by 5.8%.

• Sold Jun 2026£1,800,000

According to the Land Registry and our network of Estate Agents, there have been 28 sales of properties similar to 24, Flask Walk within a radius of 290 metres since 2009.

The most recent example is 40, Willow Road, London, NW3 1TN, a freehold house which sold for £2,150,000 on the 30th June 2025.

Read more about house prices in NW3.

• Sold Jun 2025£2,150,000 | 3 Bed House40, Willow Road, London, NW3 1TN40, Willow Road, London, NW3 1TN
• Sold Apr 2025£5,936,235 | 3 Bed House2-6, Hampstead High Street, London, NW3 1PR2-6, Hampstead High Street, London, NW3 1PR
• Sold Aug 2024£2,045,000 | 3 Bed House7, Mansfield Place, London, NW3 1HS7, Mansfield Place, London, NW3 1HS
• Sold Oct 2022£1,900,000 | 3 Bed House22, Flask Walk, London, NW3 1HE22, Flask Walk, London, NW3 1HE
• Sold Sep 2022£3,160,000 | 5 Bed House12-14, Holly Hill, London, NW3 6SE12-14, Holly Hill, London, NW3 6SE
• Sold Mar 2022£2,500,000 | 3 Bed House12, Old Brewery Mews, London, NW3 1PZ12, Old Brewery Mews, London, NW3 1PZ
• Sold Jun 2021£1,780,000 | 3 Bed House8, Mansfield Place, London, NW3 1HS8, Mansfield Place, London, NW3 1HS
• Sold Jun 2021£1,200,000 | 3 Bed House22, Holly Hill, London, NW3 6SE22, Holly Hill, London, NW3 6SE
• Sold Jun 2021£2,375,000 | 3 Bed House15, Holly Mount, London, NW3 6SG15, Holly Mount, London, NW3 6SG
• Sold Jun 2021£2,000,000 | 3 Bed House29, Rudall Crescent, London, NW3 1RR29, Rudall Crescent, London, NW3 1RR
• Sold Jan 2021£1,595,000 | 3 Bed House47, Flask Walk, London, NW3 1HH47, Flask Walk, London, NW3 1HH
• Sold Oct 2020£2,400,000 | 4 Bed House2, The Mount, London, NW3 6SZ2, The Mount, London, NW3 6SZ
• Sold Sep 2020£1,640,000 | 3 Bed House14, Back Lane, London, NW3 1HL14, Back Lane, London, NW3 1HL
• Sold Nov 2016£1,900,000 | 3 Bed House6, Hampstead Grove, London, NW3 6SP6, Hampstead Grove, London, NW3 6SP
• Sold Aug 2015£2,000,000 | 3 Bed House2, Martys Yard, London, NW3 1QW2, Martys Yard, London, NW3 1QW
• Sold Sep 2012£1,600,000 | 3 Bed House37, Flask Walk, London, NW3 1HH37, Flask Walk, London, NW3 1HH
• Sold Dec 2011£1,600,000 | 3 Bed House7, Back Lane, London, NW3 1HL7, Back Lane, London, NW3 1HL
• Sold Sep 2011£1,280,000 | 3 Bed House10, Holly Mount, London, NW3 6SG10, Holly Mount, London, NW3 6SG
• Sold Jun 2009£1,237,500 | 3 Bed House51, Flask Walk, London, NW3 1HH51, Flask Walk, London, NW3 1HH
• Sold May 2009£800,000 | 3 Bed House11, Back Lane, London, NW3 1HL11, Back Lane, London, NW3 1HL

Flask Walk, London, NW3 has a total of 81 addresses. According to our analysis of all the public data, 24, Flask Walk is the 39th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £650k more 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.