Flat 2, 23, Sumner Place has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Feb 2022.

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

The most recent sale of Flat 2, 23, Sumner Place completed on 1st December 2021 at £1,300,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 19.4% over the period since December 2021.

• Sold Dec 2021£1,300,000
• Sold Feb 2013£1,450,000
• Sold Jul 2010£1,500,000

Since 2007 15 properties similar to Flat 2, 23, Sumner Place have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 25th November 2025, was 11, Rose Square, London, SW3 6RS, a leasehold flat which sold for £1,280,000.

Read more about house prices in SW7.

• Sold Nov 2025£1,280,000 | 2 Bed Flat11, Rose Square, London, SW3 6RS11, Rose Square, London, SW3 6RS
• Sold Apr 2024£1,275,000 | 2 Bed FlatFlat 11, 9-11 , Manson Place, London, SW7 5LTFlat 11, 9-11 , Manson Place, London, SW7 5LT
• Sold Dec 2023£800,000 | 2 Bed FlatFlat 1, 181, Fulham Road, London, SW3 6JNFlat 1, 181, Fulham Road, London, SW3 6JN
• Sold Sep 2023£1,500,000 | 2 Bed FlatFlat I, 46, Onslow Gardens, London, SW7 3PYFlat I, 46, Onslow Gardens, London, SW7 3PY
• Sold May 2023£2,800,000 | 2 Bed FlatFlat 3, 23, Onslow Square, London, SW7 3NJFlat 3, 23, Onslow Square, London, SW7 3NJ
• Sold Sep 2022£718,000 | 2 Bed Flat61A, Onslow Square, London, SW7 3LS61A, Onslow Square, London, SW7 3LS
• Sold May 2022£850,000 | 1 Bed FlatFlat 3, 11A , Cranley Place, London, SW7 3AEFlat 3, 11A , Cranley Place, London, SW7 3AE
• Sold Dec 2020£358,300 | 2 Bed FlatFlat 9, 21, Onslow Gardens, London, SW7 3ALFlat 9, 21, Onslow Gardens, London, SW7 3AL
• Sold Jan 2017£6,200,000 | 2 Bed FlatFlat 5, 20, Onslow Square, London, SW7 3NPFlat 5, 20, Onslow Square, London, SW7 3NP
• Sold Jul 2012£1,450,000 | 2 Bed FlatFlat 2, 19, Sumner Place, London, SW7 3EGFlat 2, 19, Sumner Place, London, SW7 3EG
• Sold Jul 2011£725,000 | 2 Bed FlatFlat 7, 11A , Cranley Place, London, SW7 3AEFlat 7, 11A , Cranley Place, London, SW7 3AE
• Sold Oct 2007£595,000 | 2 Bed FlatFlat G, 46, Onslow Gardens, London, SW7 3PYFlat G, 46, Onslow Gardens, London, SW7 3PY
• Sold Mar 2007£248,000 | 2 Bed Flat67A, Onslow Square, London, SW7 3LS67A, Onslow Square, London, SW7 3LS
• Sold Mar 2007£957,009 | 2 Bed FlatFlat 10, 9-11 , Manson Place, London, SW7 5LTFlat 10, 9-11 , Manson Place, London, SW7 5LT
• Sold Feb 2007£5,400,000 | 2 Bed Flat8, Rose Square, London, SW3 6RS8, Rose Square, London, SW3 6RS

Of the 45 addresses on Sumner Place, London, SW7, Flat 2, 23, Sumner Place comes out as the 43rd largest and the 39th most expensive in our analysis of the public data.

It is also £813k less expensive than the average property across the SW7 district.

• Our Lady of Victories RC Primary School

  300 m away
• Oratory Roman Catholic Primary School

  400 m away
• Marlborough Primary School

  600 m away

• St. Thomas More Language College

  900 m away
• Chelsea Academy

  1.7 km away
• The London Oratory School

  1.8 km away

• South Kensington

  |

  200 m away
• Gloucester Road

  |

  500 m away
• Knightsbridge

  |

  1.2 km away

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