22, Flask Walk occupies a 87 m² plot as recorded by HM Land Registry.

Of the 19 other houses in this postcode, 10 have recorded plot sizes, and this one ranks as the 6th largest.

22, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 May 2022.

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

22, Flask Walk last changed hands on 25th October 2022, selling for £1,900,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 5.4% since October 2022.

• Sold Oct 2022£1,900,000

Land Registry records and our Estate Agent network show 27 sales of comparable properties within 300 metres of 22, Flask Walk since 2009.

Most recently, 24, Flask Walk, London, NW3 1HE, a freehold house, sold at £1,800,000 on the 5th June 2026.

Read more about house prices in NW3.

• Sold Jun 2026£1,800,000 | 3 Bed House24, Flask Walk, London, NW3 1HE24, Flask Walk, London, NW3 1HE
• Sold Nov 2025£1,500,000 | 4 Bed HouseSide Door, 16, Flask Walk, London, NW3 1HESide Door, 16, Flask Walk, London, NW3 1HE
• 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 Mar 2023£2,300,000 | 3 Bed House19, Holly Walk, London, NW3 6RA19, Holly Walk, London, NW3 6RA
• Sold Sep 2022£3,160,000 | 5 Bed House12-14, Holly Hill, London, NW3 6SE12-14, Holly Hill, London, NW3 6SE
• Sold Aug 2022£2,550,000 | 4 Bed House61, New End, London, NW3 1HY61, New End, London, NW3 1HY
• 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£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 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 Jan 2011£1,495,000 | 4 Bed House18, Flask Walk, London, NW3 1HE18, Flask Walk, London, NW3 1HE
• 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

Our analysis of the public data ranks 22, Flask Walk as the 37th largest and the 25th most expensive of the 81 addresses on Flask Walk, London, NW3.

Against the NW3 postcode district average, it is £711k more 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.