Flat 4, 56, Onslow Gardens has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Mar 2018.

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

Flat 4, 56, Onslow Gardens last changed hands on 26th July 2001, selling for £395,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

Land Registry records and our Estate Agent network show 29 sales of comparable properties within 220 metres of Flat 4, 56, Onslow Gardens since 2007.

Most recently, Flat 15, Clareville Court , Clareville Grove, London, SW7 5AT, a leasehold flat, sold at £1,175,000 on the 12th December 2025.

Read more about house prices in SW7.

• Sold Dec 2025£1,175,000 | 2 Bed FlatFlat 15, Clareville Court , Clareville Grove, London, SW7 5ATFlat 15, Clareville Court , Clareville Grove, London, SW7 5AT
• Sold Sep 2025£1,175,000 | 2 Bed FlatFlat 8, 32, Cranley Gardens, London, SW7 3DDFlat 8, 32, Cranley Gardens, London, SW7 3DD
• 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 Sep 2023£1,500,000 | 2 Bed FlatFlat I, 46, Onslow Gardens, London, SW7 3PYFlat I, 46, Onslow Gardens, London, SW7 3PY
• Sold Jul 2023£1,400,000 | 1 Bed FlatFlat 7, 56, Onslow Gardens, London, SW7 3QAFlat 7, 56, Onslow Gardens, London, SW7 3QA
• Sold May 2022£1,499,950 | 2 Bed FlatFlat 5, 71, Onslow Gardens, London, SW7 3QDFlat 5, 71, Onslow Gardens, London, SW7 3QD
• Sold May 2022£850,000 | 1 Bed FlatFlat 3, 11A , Cranley Place, London, SW7 3AEFlat 3, 11A , Cranley Place, London, SW7 3AE
• Sold Feb 2022£1,250,000 | 2 Bed FlatFlat C, 13, Brechin Place, London, SW7 4QBFlat C, 13, Brechin Place, London, SW7 4QB
• Sold Jun 2021£1,625,000 | 2 Bed FlatFlat 6, 65, Onslow Gardens, London, SW7 3QDFlat 6, 65, Onslow Gardens, London, SW7 3QD
• Sold Dec 2020£358,300 | 2 Bed FlatFlat 9, 21, Onslow Gardens, London, SW7 3ALFlat 9, 21, Onslow Gardens, London, SW7 3AL
• Sold Nov 2018£1,020,000 | 2 Bed FlatFlat 7, 86, Onslow Gardens, London, SW7 3BSFlat 7, 86, Onslow Gardens, London, SW7 3BS
• Sold Dec 2017£450,000 | 2 Bed FlatFlat 4, 24, Onslow Gardens, London, SW7 3ALFlat 4, 24, Onslow Gardens, London, SW7 3AL
• Sold Oct 2016£1,000,050 | 2 Bed FlatFlat 8, 86, Onslow Gardens, London, SW7 3BSFlat 8, 86, Onslow Gardens, London, SW7 3BS
• Sold Jul 2016£2,250,000 | 2 Bed FlatFlat 2, 60, Onslow Gardens, London, SW7 3QAFlat 2, 60, Onslow Gardens, London, SW7 3QA
• Sold Mar 2016£775,000 | 1 Bed FlatFlat 2, 22, Cranley Gardens, London, SW7 3DDFlat 2, 22, Cranley Gardens, London, SW7 3DD
• Sold Mar 2016£1,540,000 | 2 Bed FlatFlat 3, 64, Onslow Gardens, London, SW7 3QBFlat 3, 64, Onslow Gardens, London, SW7 3QB
• Sold Feb 2014£395,000 | 2 Bed FlatFlat 4, 65, Onslow Gardens, London, SW7 3QDFlat 4, 65, Onslow Gardens, London, SW7 3QD
• Sold Jul 2012£925,000 | 2 Bed FlatFlat 2, 56, Onslow Gardens, London, SW7 3QAFlat 2, 56, Onslow Gardens, London, SW7 3QA
• Sold Dec 2009£800,000 | 2 Bed FlatFlat 7, 60, Onslow Gardens, London, SW7 3QAFlat 7, 60, Onslow Gardens, London, SW7 3QA
• Sold Oct 2007£595,000 | 2 Bed FlatFlat G, 46, Onslow Gardens, London, SW7 3PYFlat G, 46, Onslow Gardens, London, SW7 3PY

Our analysis of the public data ranks Flat 4, 56, Onslow Gardens as the 412th largest and the 282nd most expensive of the 504 addresses on Onslow Gardens, London, SW7.

Against the SW7 postcode district average, it is £788k less expensive than the typical property.

• Our Lady of Victories RC Primary School

  100 m away
• Bousfield Primary School

  500 m away
• Oratory Roman Catholic Primary School

  600 m away

• St. Thomas More Language College

  1.2 km away
• The London Oratory School

  1.5 km away
• Chelsea Academy

  1.5 km away

• Gloucester Road

  |

  400 m away
• South Kensington

  |

  400 m away
• Earl's Court

  |

  1.0 km away

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