Flat 3, 23, Bryanston Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 2022.

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

Flat 3, 23, Bryanston Square last changed hands on 18th August 2022, selling for £2,039,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has dropped by 28.8% since August 2022.

• Sold Aug 2022£2,039,000
• Sold Jul 2012£1,200,000
• Sold May 2009£610,000

Land Registry records and our Estate Agent network show 26 sales of comparable properties within 220 metres of Flat 3, 23, Bryanston Square since 2007.

Most recently, Flat 11, 25, Bryanston Square, London, W1H 2DS, a leasehold flat, sold at £790,000 on the 30th October 2025.

Read more about house prices in W1.

• Sold Oct 2025£790,000 | 2 Bed FlatFlat 11, 25, Bryanston Square, London, W1H 2DSFlat 11, 25, Bryanston Square, London, W1H 2DS
• Sold Jul 2024£2,100,000 | 2 Bed FlatFlat 10, 25, Bryanston Square, London, W1H 2DSFlat 10, 25, Bryanston Square, London, W1H 2DS
• Sold Aug 2023£2,000,000 | 3 Bed FlatFlat 28, York House 39, Upper Montagu Street, London, W1H 1FRFlat 28, York House 39, Upper Montagu Street, London, W1H 1FR
• Sold Nov 2021£1,975,000 | 3 Bed FlatFlat 4, 5, Bryanston Square, London, W1H 2DHFlat 4, 5, Bryanston Square, London, W1H 2DH
• Sold Jun 2021£975,000 | 3 Bed FlatFlat 12, Sherwood Court, Seymour Place, London, W1H 5THFlat 12, Sherwood Court, Seymour Place, London, W1H 5TH
• Sold Jan 2021£1,920,000 | 3 Bed FlatFlat 6, 109-111 , Crawford Street, London, W1H 2JEFlat 6, 109-111 , Crawford Street, London, W1H 2JE
• Sold Jan 2021£1,180,000 | 2 Bed Flat15, Montagu Mews North, London, W1H 2JR15, Montagu Mews North, London, W1H 2JR
• Sold Aug 2020£1,170,000 | 3 Bed FlatFlat 1, Montagu Court 27-29, Montagu Square, London, W1H 2LGFlat 1, Montagu Court 27-29, Montagu Square, London, W1H 2LG
• Sold Jul 2020£2,200,000 | 2 Bed FlatFlat 5, 25, Bryanston Square, London, W1H 2DSFlat 5, 25, Bryanston Square, London, W1H 2DS
• Sold Apr 2019£1,655,000 | 2 Bed FlatFlat 7, 25, Bryanston Square, London, W1H 2DSFlat 7, 25, Bryanston Square, London, W1H 2DS
• Sold Jun 2018£1,100,000 | 2 Bed FlatFlat 5, Sherwood Court, Seymour Place, London, W1H 5THFlat 5, Sherwood Court, Seymour Place, London, W1H 5TH
• Sold Jan 2018£2,200,000 | 2 Bed Flat14, Montagu Mews North, London, W1H 2JR14, Montagu Mews North, London, W1H 2JR
• Sold Aug 2015£1,900,000 | 3 Bed FlatFlat 4, 51, Montagu Square, London, W1H 2LPFlat 4, 51, Montagu Square, London, W1H 2LP
• Sold Mar 2015£1,350,000 | 3 Bed FlatFlat 9, Sherwood Court, Seymour Place, London, W1H 5THFlat 9, Sherwood Court, Seymour Place, London, W1H 5TH
• Sold Feb 2014£1,790,000 | 3 Bed FlatFlat 2, 15, Montagu Place, London, W1H 2ETFlat 2, 15, Montagu Place, London, W1H 2ET
• Sold Aug 2013£1,750,000 | 2 Bed FlatFlat 2, 42, Montagu Square, London, W1H 2LNFlat 2, 42, Montagu Square, London, W1H 2LN
• Sold Aug 2012£1,800,000 | 3 Bed FlatFlat 7, Wyndham House 24, Bryanston Square, London, W1H 2DSFlat 7, Wyndham House 24, Bryanston Square, London, W1H 2DS
• Sold Jul 2010£1,425,000 | 3 Bed Flat18 Bryanston Mansions , York Street, London, W1H 1DA18 Bryanston Mansions , York Street, London, W1H 1DA
• Sold Feb 2008£855,000 | 2 Bed FlatFlat 2, 23, Bryanston Square, London, W1H 2DSFlat 2, 23, Bryanston Square, London, W1H 2DS
• Sold Jan 2007£685,000 | 3 Bed FlatFlat 3, Montagu Court 27-29, Montagu Square, London, W1H 2LGFlat 3, Montagu Court 27-29, Montagu Square, London, W1H 2LG

Our analysis of the public data ranks Flat 3, 23, Bryanston Square as the 213th largest and the 187th most expensive of the 271 addresses on Bryanston Square, London, W1.

Against the W1 postcode district average, it is £491k less expensive than the typical property.

• St Mary's Bryanston Square CofE School

  200 m away
• Hampden Gurney CofE Primary School

  300 m away
• Christ Church Bentinck CofE Primary School

  500 m away

• The St Marylebone CofE School

  700 m away
• Marylebone Boys' School

  1.1 km away
• Westminster Academy

  2.2 km away

• Marylebone

  |

  400 m away
• London Marylebone

  |

  400 m away
• Edgware Road

  |

  500 m away

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