71B, Flask Walk has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 May 2013.

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

71B, Flask Walk last changed hands on 13th July 2020, selling for £2,225,000. 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 13.7% since July 2020.

• Sold Jul 2020£2,225,000

Land Registry records and our Estate Agent network show 45 sales of comparable properties within 320 metres of 71B, Flask Walk since 2014.

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 Nov 2025£1,500,000 | 4 Bed HouseSide Door, 16, Flask Walk, London, NW3 1HESide Door, 16, Flask Walk, London, NW3 1HE
• Sold May 2025£3,075,000 | 4 Bed House32, Flask Walk, London, NW3 1HE32, Flask Walk, London, NW3 1HE
• Sold Jun 2024£2,725,000 | 4 Bed House1, Trinity Close, London, NW3 1SD1, Trinity Close, London, NW3 1SD
• 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 Sep 2022£1,915,333 | 4 Bed House35, Willow Road, London, NW3 1TN35, Willow Road, London, NW3 1TN
• 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 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 Sep 2017£2,350,000 | 4 Bed House32, New End Square, London, NW3 1LS32, New End Square, London, NW3 1LS
• Sold Jun 2017£2,275,000 | 4 Bed House49, Flask Walk, London, NW3 1HH49, Flask Walk, London, NW3 1HH
• Sold Jul 2015£2,025,000 | 4 Bed House38, New End Square, London, NW3 1LS38, New End Square, London, NW3 1LS
• Sold Dec 2014£2,300,000 | 4 Bed House45, Flask Walk, London, NW3 1HH45, Flask Walk, London, NW3 1HH

Our analysis of the public data ranks 71B, Flask Walk as the 13th largest and the 11th most expensive of the 81 addresses on Flask Walk, London, NW3.

Against the NW3 postcode district average, it is £1.02m more expensive than the typical property.

• 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
• Parliament Hill School

  1.8 km away
• La Sainte Union Catholic Secondary School

  1.8 km away

• Hampstead

  |

  200 m away
• Hampstead Heath

  |

  700 m away
• Finchley Road & Frognal

  |

  1.0 km away

Environment Agency data suggests this area has a Very Low risk of flooding.