Flat K, 46, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Mar 2011.

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

The most recent sale of Flat K, 46, Onslow Gardens completed on 13th October 2005 at £535,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Since 2014 34 properties similar to Flat K, 46, Onslow Gardens have sold within a radius of 240 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 26th November 2025, was Flat 3, 71, Onslow Gardens, London, SW7 3QD, a leasehold flat which sold for £2,250,000.

Read more about house prices in SW7.

• Sold Nov 2025£2,250,000 | 2 Bed FlatFlat 3, 71, Onslow Gardens, London, SW7 3QDFlat 3, 71, Onslow Gardens, London, SW7 3QD
• Sold Jul 2024£1,800,000 | 2 Bed FlatFlat 5, 83-85 , Onslow Gardens, London, SW7 3BUFlat 5, 83-85 , Onslow Gardens, London, SW7 3BU
• Sold Mar 2024£1,100,000 | 2 Bed FlatFlat 1, 74, Onslow Gardens, London, SW7 3QBFlat 1, 74, Onslow Gardens, London, SW7 3QB
• Sold Sep 2023£1,500,000 | 2 Bed FlatFlat I, 46, Onslow Gardens, London, SW7 3PYFlat I, 46, Onslow Gardens, London, SW7 3PY
• Sold Aug 2022£1,900,000 | 2 Bed Flat70, Rose Square, London, SW3 6RS70, Rose Square, London, SW3 6RS
• 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£1,500,000 | 2 Bed FlatFlat 7, 1, Onslow Gardens, London, SW7 3LXFlat 7, 1, Onslow Gardens, London, SW7 3LX
• Sold Jun 2021£1,200,000 | 2 Bed FlatFlat D, 13, Brechin Place, London, SW7 4QBFlat D, 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 Mar 2021£4,750,000 | 2 Bed FlatFlat 4, 46, Onslow Square, London, SW7 3NXFlat 4, 46, Onslow Square, London, SW7 3NX
• Sold Dec 2020£358,300 | 2 Bed FlatFlat 9, 21, Onslow Gardens, London, SW7 3ALFlat 9, 21, Onslow Gardens, London, SW7 3AL
• Sold Aug 2019£1,100,000 | 2 Bed Flat74, Rose Square, London, SW3 6RS74, Rose Square, London, SW3 6RS
• Sold Jun 2019£930,000 | 2 Bed FlatFlat 2, 86, Onslow Gardens, London, SW7 3BSFlat 2, 86, Onslow Gardens, London, SW7 3BS
• Sold May 2019£1,550,000 | 2 Bed Flat71, Rose Square, London, SW3 6RS71, Rose Square, London, SW3 6RS
• 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 Dec 2016£4,200,000 | 2 Bed FlatFlat B, 92, Onslow Gardens, London, SW7 3BSFlat B, 92, 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 Apr 2015£1,575,000 | 2 Bed FlatFlat 5, 65, Onslow Gardens, London, SW7 3QDFlat 5, 65, Onslow Gardens, London, SW7 3QD
• Sold Apr 2014£1,700,000 | 2 Bed FlatFlat 3, 38, Onslow Gardens, London, SW7 3PYFlat 3, 38, Onslow Gardens, London, SW7 3PY

Of the 504 addresses on Onslow Gardens, London, SW7, Flat K, 46, Onslow Gardens comes out as the 324th largest and the 253rd most expensive in our analysis of the public data.

It is also £623k less expensive than the average property across the SW7 district.

• 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

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