Flat 13, 105, Onslow Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 15 Aug 2024.

The property is connected to mains gas and has single glazed windows. It is heated using community scheme.

The most recent sale of Flat 13, 105, Onslow Square completed on 27th September 2013 at £1,742,500 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 22.2% over the period since September 2013.

• Sold Sep 2013£1,742,500
• Sold Mar 2004£480,000

Since 2008 50 properties similar to Flat 13, 105, Onslow Square have sold within a radius of 250 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th December 2025, was Flat 5, 49, Onslow Gardens, London, SW7 3QF, a leasehold flat which sold for £1,050,000.

Read more about house prices in SW7.

• Sold Dec 2025£1,050,000 | 2 Bed FlatFlat 5, 49, Onslow Gardens, London, SW7 3QFFlat 5, 49, Onslow Gardens, London, SW7 3QF
• Sold Nov 2024£4,100,000 | 2 Bed FlatFlat 1, 21, Onslow Gardens, London, SW7 3ALFlat 1, 21, Onslow Gardens, London, SW7 3AL
• Sold Oct 2024£1,732,000 | 2 Bed FlatFlat 1, 73, Onslow Square, London, SW7 3LSFlat 1, 73, Onslow Square, London, SW7 3LS
• Sold Oct 2024£925,000 | 2 Bed FlatFlat F, 4, Manson Place, London, SW7 5LTFlat F, 4, Manson Place, London, SW7 5LT
• Sold Aug 2024£1,014,000 | 2 Bed FlatFlat 2, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 2, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Mar 2024£980,000 | 2 Bed FlatFlat B, 55, Onslow Gardens, London, SW7 3QFFlat B, 55, Onslow Gardens, London, SW7 3QF
• Sold Mar 2024£1,100,000 | 2 Bed FlatFlat 1, 74, Onslow Gardens, London, SW7 3QBFlat 1, 74, Onslow Gardens, London, SW7 3QB
• Sold Oct 2023£1,200,000 | 2 Bed FlatFlat 28, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 28, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Aug 2022£2,000,000 | 2 Bed FlatFlat 11, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 11, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Aug 2022£1,900,000 | 2 Bed Flat70, Rose Square, London, SW3 6RS70, Rose Square, London, SW3 6RS
• Sold May 2022£1,775,000 | 2 Bed FlatFlat F, 70, Onslow Gardens, London, SW7 3QBFlat F, 70, Onslow Gardens, London, SW7 3QB
• Sold Feb 2022£1,180,000 | 2 Bed FlatFlat 31, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 31, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Dec 2021£1,500,000 | 2 Bed FlatFlat 7, 1, Onslow Gardens, London, SW7 3LXFlat 7, 1, Onslow Gardens, London, SW7 3LX
• Sold Jan 2021£1,300,000 | 2 Bed FlatFlat 5, 59, Onslow Gardens, London, SW7 3QFFlat 5, 59, Onslow Gardens, London, SW7 3QF
• Sold Oct 2020£1,400,000 | 2 Bed FlatFlat 10, 49, Onslow Gardens, London, SW7 3QFFlat 10, 49, Onslow Gardens, London, SW7 3QF
• Sold Apr 2019£1,775,000 | 2 Bed FlatFlat 5, 74, Onslow Gardens, London, SW7 3QBFlat 5, 74, Onslow Gardens, London, SW7 3QB
• Sold Nov 2016£1,750,000 | 2 Bed FlatFlat 1, 18, Onslow Gardens, London, SW7 3ALFlat 1, 18, Onslow Gardens, London, SW7 3AL
• Sold Aug 2015£1,330,000 | 2 Bed FlatFlat 7, 46, Onslow Square, London, SW7 3NXFlat 7, 46, Onslow Square, London, SW7 3NX
• Sold Jul 2014£535,000 | 2 Bed FlatFlat 11, 42, Onslow Gardens, London, SW7 3PYFlat 11, 42, Onslow Gardens, London, SW7 3PY
• Sold Aug 2008£1,050,000 | 2 Bed FlatFlat 11, 105, Onslow Square, London, SW7 3LUFlat 11, 105, Onslow Square, London, SW7 3LU

Of the 321 addresses on Onslow Square, London, SW7, Flat 13, 105, Onslow Square comes out as the 248th largest and the 262nd most expensive in our analysis of the public data.

It is also £746k 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

  700 m away

• St. Thomas More Language College

  1.0 km away
• Chelsea Academy

  1.6 km away
• The London Oratory School

  1.7 km away

• South Kensington

  |

  300 m away
• Gloucester Road

  |

  500 m away
• Earl's Court

  |

  1.2 km away

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