75, Flask Walk occupies a 228 m² plot as recorded by HM Land Registry.

Of the 4 other houses in this postcode, 2 have recorded plot sizes, and this one ranks as the largest.

75, Flask Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Sep 2010.

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

75, Flask Walk last changed hands on 10th February 2011, selling for £3,810,000. 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 risen by 50.2% since February 2011.

• Sold Feb 2011£3,810,000

Land Registry records and our Estate Agent network show 40 sales of comparable properties within 330 metres of 75, Flask Walk since 2008.

Most recently, 19, Willow Road, London, NW3 1TJ, a freehold house, sold at £3,000,000 on the 9th January 2026.

Read more about house prices in NW3.

• Sold Jan 2026£3,000,000 | 5 Bed House19, Willow Road, London, NW3 1TJ19, Willow Road, London, NW3 1TJ
• Sold Nov 2025£3,380,000 | 5 Bed House53, Gayton Road, London, NW3 1TU53, Gayton Road, London, NW3 1TU
• Sold Jul 2025£3,420,000 | 4 Bed House1, Gardnor Road, London, NW3 1HA1, Gardnor Road, London, NW3 1HA
• Sold Apr 2025£3,200,000 | 4 Bed House1, Well Road, London, NW3 1LJ1, Well Road, London, NW3 1LJ
• Sold Jan 2025£2,665,000 | 4 Bed House9, Rudall Crescent, London, NW3 1RR9, Rudall Crescent, London, NW3 1RR
• Sold Jul 2024£2,725,000 | 4 Bed House36A, Gayton Road, London, NW3 1TY36A, Gayton Road, London, NW3 1TY
• Sold Jun 2024£2,725,000 | 4 Bed House1, Trinity Close, London, NW3 1SD1, Trinity Close, London, NW3 1SD
• Sold Dec 2023£3,025,000 | 4 Bed House4, Well Walk, London, NW3 1LD4, Well Walk, London, NW3 1LD
• Sold Jan 2023£3,443,000 | 4 Bed House33, Gayton Road, London, NW3 1TY33, Gayton Road, London, NW3 1TY
• Sold Feb 2022£3,400,000 | 5 Bed House11, Gayton Road, London, NW3 1TX11, Gayton Road, London, NW3 1TX
• Sold Sep 2021£2,730,000 | 5 Bed House37B, Gayton Road, London, NW3 1UB37B, Gayton Road, London, NW3 1UB
• Sold May 2021£2,750,000 | 5 Bed House2A, Well Road, London, NW3 1LJ2A, Well Road, London, NW3 1LJ
• Sold Dec 2017£2,650,000 | 4 Bed House1, The Mount, London, NW3 6SZ1, The Mount, London, NW3 6SZ
• Sold Nov 2017£2,600,000 | 4 Bed House54, Gayton Road, London, NW3 1TU54, Gayton Road, London, NW3 1TU
• Sold Jul 2017£2,645,000 | 4 Bed House30, New End Square, London, NW3 1LS30, New End Square, London, NW3 1LS
• Sold Jul 2016£3,650,000 | 5 Bed House43, Rudall Crescent, London, NW3 1RR43, Rudall Crescent, London, NW3 1RR
• Sold May 2013£1,990,000 | 5 Bed House1A, Well Road, London, NW3 1LJ1A, Well Road, London, NW3 1LJ
• Sold Feb 2011£2,050,000 | 4 Bed House51A, Gayton Road, London, NW3 1TU51A, Gayton Road, London, NW3 1TU
• Sold Jan 2010£1,900,000 | 4 Bed House52, Gayton Road, London, NW3 1TU52, Gayton Road, London, NW3 1TU
• Sold Jan 2008£1,900,000 | 4 Bed House43A, Gayton Road, London, NW3 1TU43A, Gayton Road, London, NW3 1TU

Our analysis of the public data ranks 75, Flask Walk as the 4th largest and the most expensive of the 81 addresses on Flask Walk, London, NW3.

Against the NW3 postcode district average, it is £1.528m 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.