According to data from HM Land Registry, 55, Flask Walk sits on a plot of 84 m².

We have plot size data on 8 out of 8 other houses in the postcode and 55, Flask Walk sits on the 5th largest plot.

According to HM Land Registry, 55, Flask Walk was last sold on 11th July 2008 for £950,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since July 2008, the market for similar properties has risen by 66.3%.

According to the Land Registry and our network of Estate Agents, there have been 45 sales of properties similar to 55, Flask Walk within a radius of 320 metres since 2011.

The most recent example is 33, Willoughby Road, London, NW3 1RT, a freehold house which sold for £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 Nov 2025£1,500,000 | 4 Bed HouseSide Door, 16, Flask Walk, London, NW3 1HESide Door, 16, 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 Oct 2024£2,650,000 | 3 Bed House2, Frognal Rise, London, NW3 6RD2, Frognal Rise, London, NW3 6RD
• 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 Aug 2022£2,550,000 | 4 Bed House61, New End, London, NW3 1HY61, 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 Feb 2021£2,525,000 | 4 Bed House30, Grove Place, London, NW3 1JR30, Grove Place, London, NW3 1JR
• Sold Oct 2020£2,400,000 | 4 Bed House2, The Mount, London, NW3 6SZ2, The Mount, London, NW3 6SZ
• Sold Jul 2020£2,225,000 | 4 Bed House71B, Flask Walk, London, NW3 1ET71B, Flask Walk, London, NW3 1ET
• Sold Jun 2018£2,850,000 | 4 Bed House5, Back Lane, London, NW3 1HL5, Back Lane, London, NW3 1HL
• Sold May 2018£2,435,000 | 4 Bed House34, Flask Walk, London, NW3 1HE34, Flask Walk, London, NW3 1HE
• Sold Jan 2011£1,495,000 | 4 Bed House18, Flask Walk, London, NW3 1HE18, Flask Walk, London, NW3 1HE

Flask Walk, London, NW3 has a total of 81 addresses. According to our analysis of all the public data, 55, Flask Walk is the 25th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £1.162m 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
• The UCL Academy

  1.8 km away
• Parliament Hill School

  1.8 km away

• Hampstead

  |

  200 m away
• Hampstead Heath

  |

  800 m away
• Finchley Road & Frognal

  |

  900 m away

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