Flat 3, 1, Montagu Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Jan 2026.

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

According to the Land Registry and our network of Estate Agents, there have been 45 sales of properties similar to Flat 3, 1, Montagu Square within a radius of 270 metres since 2012.

The most recent example is Flat 6, 35, Bryanston Square, London, W1H 2DZ, a leasehold flat which sold for £1,775,000 on the 19th December 2025.

Read more about house prices in W1.

• Sold Dec 2025£1,775,000 | 3 Bed FlatFlat 6, 35, Bryanston Square, London, W1H 2DZFlat 6, 35, Bryanston Square, London, W1H 2DZ
• Sold Oct 2025£2,700,000 | 3 Bed FlatFlat 66, 15, Portman Square, London, W1H 6LJFlat 66, 15, Portman Square, London, W1H 6LJ
• Sold Jun 2025£1,200,000 | 3 Bed FlatFlat 4, 58, Montagu Square, London, W1H 2LSFlat 4, 58, Montagu Square, London, W1H 2LS
• Sold Jan 2025£2,750,000 | 3 Bed FlatFlat B, 44, Montagu Square, London, W1H 2LNFlat B, 44, Montagu Square, London, W1H 2LN
• Sold Jan 2025£2,750,000 | 3 Bed FlatFlat 3, 34, Bryanston Square, London, W1H 2DYFlat 3, 34, Bryanston Square, London, W1H 2DY
• Sold Oct 2024£2,500,000 | 3 Bed Flat2 Portman Towers, George Street, London, W1H 7HN2 Portman Towers, George Street, London, W1H 7HN
• Sold Jun 2024£2,000,000 | 3 Bed FlatFlat 68, 15, Portman Square, London, W1H 6LLFlat 68, 15, Portman Square, London, W1H 6LL
• Sold Feb 2024£1,450,000 | 3 Bed FlatFlat 2, 58, Montagu Square, London, W1H 2LSFlat 2, 58, Montagu Square, London, W1H 2LS
• Sold Nov 2023£2,265,000 | 3 Bed FlatFlat 2, 4, Bryanston Square, London, W1H 2DHFlat 2, 4, Bryanston Square, London, W1H 2DH
• Sold Jan 2023£2,500,000 | 3 Bed FlatFlat 3, 3, Montagu Square, London, W1H 2LAFlat 3, 3, Montagu Square, London, W1H 2LA
• Sold Sep 2022£2,530,000 | 3 Bed Flat65 Portman Towers, George Street, London, W1H 7HW65 Portman Towers, George Street, London, W1H 7HW
• Sold Oct 2021£1,750,000 | 3 Bed FlatFlat 3, 5, Bryanston Square, London, W1H 2DHFlat 3, 5, Bryanston Square, London, W1H 2DH
• Sold Aug 2021£1,850,000 | 3 Bed FlatFlat 14, Montagu Court 27-29, Montagu Square, London, W1H 2LGFlat 14, Montagu Court 27-29, Montagu Square, London, W1H 2LG
• Sold Jun 2021£950,000 | 4 Bed FlatFlat 1, 11, Montagu Square, London, W1H 2LDFlat 1, 11, Montagu Square, London, W1H 2LD
• Sold Jan 2021£32,870,000 | 3 Bed Flat16, Bryanston Square, London, W1H 2DW16, Bryanston Square, London, W1H 2DW
• Sold Jan 2020£2,000,000 | 3 Bed FlatFlat 5, 4, Bryanston Square, London, W1H 2DHFlat 5, 4, Bryanston Square, London, W1H 2DH
• Sold Oct 2018£2,500,000 | 3 Bed FlatFlat 18, Montagu Court 27-29, Montagu Square, London, W1H 2LGFlat 18, Montagu Court 27-29, Montagu Square, London, W1H 2LG
• Sold Sep 2017£2,150,000 | 3 Bed FlatFlat 5, Montagu Court 27-29, Montagu Square, London, W1H 2LGFlat 5, Montagu Court 27-29, Montagu Square, London, W1H 2LG
• Sold Oct 2012£1,993,995 | 3 Bed FlatFlat 4, 5, Montagu Square, London, W1H 2LAFlat 4, 5, Montagu Square, London, W1H 2LA
• Sold Apr 2012£1,995,000 | 3 Bed FlatFlat 2, 54, Montagu Square, London, W1H 2LPFlat 2, 54, Montagu Square, London, W1H 2LP

Montagu Square, London, W1 has a total of 237 addresses. According to our analysis of all the public data, Flat 3, 1, Montagu Square is the 95th largest and the 100th most expensive property on the street.

When compared to the postcode district it is £48k less expensive than the average property in W1.

• Hampden Gurney CofE Primary School

  400 m away
• St Vincent's Catholic Primary School

  400 m away
• St Mary's Bryanston Square CofE School

  500 m away

• The St Marylebone CofE School

  700 m away
• Marylebone Boys' School

  1.3 km away
• Maria Fidelis Catholic School FCJ

  2.3 km away

• Marble Arch

  |

  400 m away
• Baker Street

  |

  600 m away
• Marylebone

  |

  700 m away

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