34, Flask Walk occupies a 103 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 3rd largest.

34, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jun 2014.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

34, Flask Walk last changed hands on 31st May 2018, selling for £2,435,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 2.7% since May 2018.

• Sold May 2018£2,435,000
• Sold Nov 2014£2,350,000
• Sold Jun 2004£1,200,000

Land Registry records and our Estate Agent network show 53 sales of comparable properties within 300 metres of 34, Flask Walk since 2010.

Most recently, 33, Willoughby Road, London, NW3 1RT, a freehold house, sold at £2,750,000 on the 27th March 2026.

Read more about house prices in NW3.

• Sold Mar 2026£2,750,000 | 4 Bed House33, Willoughby Road, London, NW3 1RT33, Willoughby Road, London, NW3 1RT
• Sold Dec 2025£2,185,000 | 4 Bed House17, The Mount, London, NW3 6SZ17, The Mount, London, NW3 6SZ
• 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 Feb 2025£2,400,000 | 4 Bed House7, Gardnor Road, London, NW3 1HA7, Gardnor Road, London, NW3 1HA
• 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 May 2023£1,810,000 | 4 Bed House2, Well Road, London, NW3 1LJ2, Well Road, London, NW3 1LJ
• Sold Nov 2022£2,675,000 | 4 Bed House63, New End, London, NW3 1HY63, New End, London, NW3 1HY
• Sold Jul 2022£2,870,000 | 4 Bed House14, Gardnor Road, London, NW3 1HA14, Gardnor Road, London, NW3 1HA
• Sold Jul 2022£2,600,000 | 4 Bed House14, The Mount, London, NW3 6SZ14, The Mount, London, NW3 6SZ
• Sold Jun 2022£1,830,000 | 4 Bed House39, Flask Walk, London, NW3 1HH39, Flask Walk, London, NW3 1HH
• Sold Sep 2021£2,500,000 | 4 Bed House35, Flask Walk, London, NW3 1HH35, Flask Walk, London, NW3 1HH
• Sold Apr 2021£2,000,000 | 4 Bed House55A, Gayton Road, London, NW3 1TU55A, Gayton Road, London, NW3 1TU
• Sold Jan 2021£1,750,000 | 4 Bed House5, Old Brewery Mews, London, NW3 1PZ5, Old Brewery Mews, London, NW3 1PZ
• Sold Jul 2020£2,225,000 | 4 Bed House71B, Flask Walk, London, NW3 1ET71B, Flask Walk, London, NW3 1ET
• Sold Mar 2020£2,250,000 | 4 Bed House35, Spencer Walk, London, NW3 1QZ35, Spencer Walk, London, NW3 1QZ
• Sold Jan 2020£2,300,000 | 4 Bed House9, Old Brewery Mews, London, NW3 1PZ9, Old Brewery Mews, London, NW3 1PZ
• Sold Nov 2017£2,600,000 | 4 Bed House54, Gayton Road, London, NW3 1TU54, Gayton Road, London, NW3 1TU
• Sold Jul 2010£1,750,000 | 4 Bed House37, Spencer Walk, London, NW3 1QZ37, Spencer Walk, London, NW3 1QZ

Our analysis of the public data ranks 34, Flask Walk as the 12th largest and the 5th most expensive of the 81 addresses on Flask Walk, London, NW3.

Against the NW3 postcode district average, it is £1.186m 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.