Flat C, 45, Onslow Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Feb 2020.

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

Flat C, 45, Onslow Gardens last changed hands on 6th May 2005, selling for £625,000. 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 52 sales of comparable properties within 230 metres of Flat C, 45, Onslow Gardens since 2012.

Most recently, Flat 1, 28, Stanhope Gardens, London, SW7 5QX, a leasehold flat, sold at £1,000,000 on the 21st January 2026.

Read more about house prices in SW7.

• Sold Jan 2026£1,000,000 | 2 Bed FlatFlat 1, 28, Stanhope Gardens, London, SW7 5QXFlat 1, 28, Stanhope Gardens, London, SW7 5QX
• 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£547,500 | 2 Bed FlatFlat 9, 49, Onslow Gardens, London, SW7 3QFFlat 9, 49, Onslow Gardens, London, SW7 3QF
• Sold Aug 2022£1,900,000 | 2 Bed Flat70, Rose Square, London, SW3 6RS70, Rose Square, London, SW3 6RS
• Sold May 2022£1,499,950 | 2 Bed FlatFlat 5, 71, Onslow Gardens, London, SW7 3QDFlat 5, 71, Onslow Gardens, London, SW7 3QD
• Sold Feb 2022£1,250,000 | 2 Bed FlatFlat C, 13, Brechin Place, London, SW7 4QBFlat C, 13, Brechin Place, London, SW7 4QB
• Sold Dec 2021£1,300,000 | 2 Bed FlatFlat 2, 23, Sumner Place, London, SW7 3EGFlat 2, 23, Sumner Place, London, SW7 3EG
• Sold Jun 2021£1,625,000 | 2 Bed FlatFlat 6, 65, Onslow Gardens, London, SW7 3QDFlat 6, 65, Onslow Gardens, London, SW7 3QD
• Sold Mar 2021£4,750,000 | 2 Bed FlatFlat 4, 46, Onslow Square, London, SW7 3NXFlat 4, 46, Onslow Square, London, SW7 3NX
• Sold Sep 2020£1,150,000 | 2 Bed FlatFlat 13, 24, Stanhope Gardens, London, SW7 5QXFlat 13, 24, Stanhope Gardens, London, SW7 5QX
• 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 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£1,540,000 | 2 Bed FlatFlat 3, 64, Onslow Gardens, London, SW7 3QBFlat 3, 64, Onslow Gardens, London, SW7 3QB
• Sold Jan 2014£1,100,000 | 2 Bed FlatFlat 7, 26, Stanhope Gardens, London, SW7 5QXFlat 7, 26, Stanhope Gardens, London, SW7 5QX
• Sold Nov 2012£387,000 | 2 Bed FlatFlat 6, 56, Onslow Gardens, London, SW7 3QAFlat 6, 56, Onslow Gardens, London, SW7 3QA
• Sold Jul 2012£925,000 | 2 Bed FlatFlat 2, 56, Onslow Gardens, London, SW7 3QAFlat 2, 56, Onslow Gardens, London, SW7 3QA

Our analysis of the public data ranks Flat C, 45, Onslow Gardens as the 358th largest and the 287th most expensive of the 504 addresses on Onslow Gardens, London, SW7.

Against the SW7 postcode district average, it is £827k less expensive than the typical property.

• Our Lady of Victories RC Primary School

  200 m away
• Oratory Roman Catholic Primary School

  500 m away
• Bousfield Primary School

  600 m away

• St. Thomas More Language College

  1.1 km away
• The London Oratory School

  1.6 km away
• Chelsea Academy

  1.6 km away

• South Kensington

  |

  400 m away
• Gloucester Road

  |

  500 m away
• Earl's Court

  |

  1.1 km away

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