Flat 2, 7, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Sep 2019.

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

Flat 2, 7, Onslow Gardens last changed hands on 10th July 2009, selling for £2,650,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 18.3% since July 2009.

• Sold Jul 2009£2,650,000
• Sold Apr 1999£1,150,000

Land Registry records and our Estate Agent network show 23 sales of comparable properties within 270 metres of Flat 2, 7, Onslow Gardens since 2013.

Most recently, Flat 5, 21, Onslow Gardens, London, SW7 3AL, a leasehold flat, sold at £3,700,000 on the 13th February 2026.

Read more about house prices in SW7.

• Sold Feb 2026£3,700,000 | 4 Bed FlatFlat 5, 21, Onslow Gardens, London, SW7 3ALFlat 5, 21, Onslow Gardens, London, SW7 3AL
• Sold Sep 2025£3,650,000 | 3 Bed Flat60, Rose Square, London, SW3 6RS60, Rose Square, London, SW3 6RS
• Sold Jul 2025£2,190,000 | 3 Bed FlatFlat 1, 23, Sumner Place, London, SW7 3EGFlat 1, 23, Sumner Place, London, SW7 3EG
• Sold Mar 2025£3,500,000 | 3 Bed FlatFlat 3, 26, Onslow Gardens, London, SW7 3AGFlat 3, 26, Onslow Gardens, London, SW7 3AG
• Sold Sep 2024£2,600,000 | 3 Bed Flat38, Rose Square, London, SW3 6RS38, Rose Square, London, SW3 6RS
• Sold Jun 2022£3,500,000 | 3 Bed Flat65, Rose Square, London, SW3 6RS65, Rose Square, London, SW3 6RS
• Sold Apr 2022£3,700,000 | 3 Bed FlatFlat 3, 44, Cranley Gardens, London, SW7 3DEFlat 3, 44, Cranley Gardens, London, SW7 3DE
• Sold Sep 2021£3,500,000 | 3 Bed Flat64, Rose Square, London, SW3 6RS64, Rose Square, London, SW3 6RS
• Sold Aug 2021£11,500,000 | 4 Bed Flat43, Onslow Gardens, London, SW7 3PY43, Onslow Gardens, London, SW7 3PY
• Sold Feb 2020£3,870,000 | 3 Bed Flat68, Rose Square, London, SW3 6RS68, Rose Square, London, SW3 6RS
• Sold Dec 2019£4,225,000 | 3 Bed Flat26, Rose Square, London, SW3 6RS26, Rose Square, London, SW3 6RS
• Sold Aug 2019£950,000 | 4 Bed FlatFlat 10, 97, Onslow Square, London, SW7 3LUFlat 10, 97, Onslow Square, London, SW7 3LU
• Sold Oct 2018£3,400,000 | 4 Bed FlatFlat 8, 78, Onslow Gardens, London, SW7 3QBFlat 8, 78, Onslow Gardens, London, SW7 3QB
• Sold Jan 2018£3,750,000 | 3 Bed Flat5, Rose Square, London, SW3 6RS5, Rose Square, London, SW3 6RS
• Sold Dec 2017£3,050,000 | 4 Bed FlatFlat 1, 35, Onslow Gardens, London, SW7 3PYFlat 1, 35, Onslow Gardens, London, SW7 3PY
• Sold Sep 2015£3,850,000 | 3 Bed Flat20, Rose Square, London, SW3 6RS20, Rose Square, London, SW3 6RS
• Sold Apr 2015£4,250,000 | 4 Bed FlatFlat 7, 81, Onslow Square, London, SW7 3LTFlat 7, 81, Onslow Square, London, SW7 3LT
• Sold Mar 2015£2,300,000 | 4 Bed FlatFlat 4, 38, Onslow Gardens, London, SW7 3PYFlat 4, 38, Onslow Gardens, London, SW7 3PY
• Sold Jun 2014£4,260,000 | 3 Bed Flat52, Rose Square, London, SW3 6RS52, Rose Square, London, SW3 6RS
• Sold Dec 2013£3,700,000 | 3 Bed Flat54, Rose Square, London, SW3 6RS54, Rose Square, London, SW3 6RS

Our analysis of the public data ranks Flat 2, 7, Onslow Gardens as the 48th largest and the 50th most expensive of the 504 addresses on Onslow Gardens, London, SW7.

Against the SW7 postcode district average, it is £1.287m more expensive than the typical property.

• Our Lady of Victories RC Primary School

  300 m away
• Oratory Roman Catholic Primary School

  400 m away
• Bousfield Primary School

  700 m away

• St. Thomas More Language College

  1.0 km away
• Chelsea Academy

  1.5 km away
• The London Oratory School

  1.6 km away

• South Kensington

  |

  400 m away
• Gloucester Road

  |

  600 m away
• Earl's Court

  |

  1.2 km away

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