20, The Mount has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Mar 2010.

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

The most recent sale of 20, The Mount completed on 10th April 2013 at £834,500 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 6.5% over the period since April 2013.

• Sold Apr 2013£834,500
• Sold Dec 2003£415,000

Since 2007 36 properties similar to 20, The Mount have sold within a radius of 410 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 15th December 2025, was Flat 13, New Campden Court, Holly Bush Vale, London, NW3 6TY, a leasehold flat which sold for £885,000.

Read more about house prices in NW3.

• Sold Dec 2025£885,000 | 3 Bed FlatFlat 13, New Campden Court, Holly Bush Vale, London, NW3 6TYFlat 13, New Campden Court, Holly Bush Vale, London, NW3 6TY
• Sold Aug 2025£1,275,000 | 3 Bed FlatFlat 5C, Frognal Mansions 97, Frognal, London, NW3 6XTFlat 5C, Frognal Mansions 97, Frognal, London, NW3 6XT
• Sold Dec 2024£925,000 | 2 Bed Flat64A , Heath Street, London, NW3 1DN64A , Heath Street, London, NW3 1DN
• Sold Oct 2024£1,050,000 | 3 Bed FlatFlat 1, West Heath Lodge, Branch Hill, London, NW3 7LUFlat 1, West Heath Lodge, Branch Hill, London, NW3 7LU
• Sold Sep 2024£900,000 | 2 Bed FlatFlat 52, The Wells House, Well Walk, London, NW3 1LFFlat 52, The Wells House, Well Walk, London, NW3 1LF
• Sold Jun 2024£850,000 | 3 Bed Flat28, Grove Place, London, NW3 1JP28, Grove Place, London, NW3 1JP
• Sold Apr 2024£1,350,000 | 3 Bed Flat66A, Heath Street, London, NW3 1DN66A, Heath Street, London, NW3 1DN
• Sold Nov 2023£1,130,000 | 3 Bed FlatFlat 4, West Heath Lodge, Branch Hill, London, NW3 7LUFlat 4, West Heath Lodge, Branch Hill, London, NW3 7LU
• Sold Jun 2023£900,000 | 3 Bed FlatFlat 6, Hampstead Mansions , Heath Street, London, NW3 6TSFlat 6, Hampstead Mansions , Heath Street, London, NW3 6TS
• Sold Sep 2022£775,000 | 2 Bed FlatFlat 53, The Wells House, Well Walk, London, NW3 1LFFlat 53, The Wells House, Well Walk, London, NW3 1LF
• Sold Aug 2022£905,000 | 3 Bed Flat16, Grove Place, London, NW3 1JP16, Grove Place, London, NW3 1JP
• Sold Mar 2022£1,090,000 | 3 Bed Flat1, Benhams Place, London, NW3 6QX1, Benhams Place, London, NW3 6QX
• Sold Feb 2022£1,200,000 | 3 Bed FlatFlat 9, Heath Mansions, The Mount, London, NW3 6SNFlat 9, Heath Mansions, The Mount, London, NW3 6SN
• Sold Jun 2021£940,000 | 3 Bed FlatFlat 5, 12, Frognal Gardens, London, NW3 6UXFlat 5, 12, Frognal Gardens, London, NW3 6UX
• Sold May 2021£1,125,000 | 3 Bed FlatFlat 4, 28, Well Walk, London, NW3 1LDFlat 4, 28, Well Walk, London, NW3 1LD
• Sold Feb 2021£1,074,500 | 2 Bed FlatFlat 7, Giles Building, Upper Hampstead Walk, London, NW3 1DEFlat 7, Giles Building, Upper Hampstead Walk, London, NW3 1DE
• Sold Apr 2020£935,000 | 3 Bed FlatFlat 3, Youngs Court, New End, London, NW3 1DDFlat 3, Youngs Court, New End, London, NW3 1DD
• Sold Jun 2018£36,000 | 3 Bed FlatFlat 1, Clock Tower 49, Heath Street, London, NW3 6UDFlat 1, Clock Tower 49, Heath Street, London, NW3 6UD
• Sold May 2014£735,000 | 2 Bed FlatFlat 5, Kingswell 58-62, Heath Street, London, NW3 1ENFlat 5, Kingswell 58-62, Heath Street, London, NW3 1EN
• Sold Sep 2007£570,000 | 3 Bed FlatFlat 9, New Campden Court, Holly Bush Vale, London, NW3 6TYFlat 9, New Campden Court, Holly Bush Vale, London, NW3 6TY

Of the 32 addresses on The Mount, London, NW3, 20, The Mount comes out as the 21st largest and the 25th most expensive in our analysis of the public data.

It is also £390k less expensive than the average property across the NW3 district.

• New End Primary School

  200 m away
• Christ Church Primary School, Hampstead

  200 m away
• Hampstead Parochial Church of England Primary School

  300 m away

• William Ellis School

  1.9 km away
• Hampstead School

  2.0 km away
• The UCL Academy

  2.0 km away

• Hampstead

  |

  300 m away
• Hampstead Heath

  |

  1.0 km away
• Finchley Road & Frognal

  |

  1.0 km away

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