HM Land Registry records the plot of land for 47, Flask Walk as measuring 155 m².

That makes it the 7th largest plot in the postcode, where all 15 other houses have recorded plot data.

47, Flask Walk has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Dec 2020.

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

The most recent sale of 47, Flask Walk completed on 29th January 2021 at £1,595,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 0.3% over the period since January 2021.

• Sold Jan 2021£1,595,000

Since 2008 26 properties similar to 47, Flask Walk have sold within a radius of 310 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 5th June 2026, was 24, Flask Walk, London, NW3 1HE, a freehold house which sold for £1,800,000.

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 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 Feb 2022£1,500,000 | 3 Bed House1, Upper Hampstead Walk, London, NW3 1DE1, Upper Hampstead Walk, London, NW3 1DE
• 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 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 Feb 2020£1,300,000 | 4 Bed House8, Benhams Place, London, NW3 6QX8, Benhams Place, London, NW3 6QX
• Sold Aug 2015£2,000,000 | 3 Bed House2, Martys Yard, London, NW3 1QW2, Martys Yard, London, NW3 1QW
• Sold Oct 2013£1,485,500 | 3 Bed House21, New End, London, NW3 1JD21, New End, London, NW3 1JD
• 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 Feb 2010£1,200,000 | 3 Bed House3, The Mount Square, London, NW3 6SU3, The Mount Square, London, NW3 6SU
• 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
• Sold Dec 2008£835,000 | 3 Bed House13, Back Lane, London, NW3 1HL13, Back Lane, London, NW3 1HL

Of the 81 addresses on Flask Walk, London, NW3, 47, Flask Walk comes out as the 36th largest and the 33rd most expensive in our analysis of the public data.

It is also £584k more expensive than the average property across the NW3 district.

• 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

  1.8 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

  |

  900 m away

The flood risk here is rated Very Low, based on Environment Agency data.