Basement, 41A, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Oct 2019.

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

The most recent sale of Basement, 41A, Onslow Gardens completed on 26th April 1996 at £190,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Since 2007 30 properties similar to Basement, 41A, Onslow Gardens have sold within a radius of 240 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 6th March 2026, was Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat which sold for £1,850,000.

Read more about house prices in SW7.

• Sold Mar 2026£1,850,000 | 3 Bed FlatFlat 12, 35, Onslow Gardens, London, SW7 3PYFlat 12, 35, Onslow Gardens, London, SW7 3PY
• Sold Oct 2025£4,823,296 | 3 Bed Flat15, Reece Mews, London, SW7 3HE15, Reece Mews, London, SW7 3HE
• Sold Jun 2025£2,700,000 | 2 Bed FlatFlat 3, 16, Cranley Gardens, London, SW7 3DAFlat 3, 16, Cranley Gardens, London, SW7 3DA
• Sold Nov 2024£2,025,000 | 3 Bed FlatFlat 6, 42, Onslow Gardens, London, SW7 3PYFlat 6, 42, Onslow Gardens, London, SW7 3PY
• Sold Jan 2024£2,160,000 | 2 Bed FlatFlat 3, 24, Onslow Gardens, London, SW7 3ALFlat 3, 24, Onslow Gardens, London, SW7 3AL
• Sold Oct 2023£2,600,000 | 3 Bed FlatFlat 6, 89, Onslow Square, London, SW7 3LTFlat 6, 89, Onslow Square, London, SW7 3LT
• Sold Jul 2023£2,600,000 | 3 Bed FlatFlat 6, 30, Onslow Gardens, London, SW7 3AHFlat 6, 30, Onslow Gardens, London, SW7 3AH
• Sold Jun 2023£2,650,000 | 3 Bed FlatFlat 3, 6, Onslow Gardens, London, SW7 3LYFlat 3, 6, Onslow Gardens, London, SW7 3LY
• Sold Dec 2022£875,000 | 3 Bed FlatFlat 18, 9-11 , Manson Place, London, SW7 5LTFlat 18, 9-11 , Manson Place, London, SW7 5LT
• Sold Sep 2017£632,000 | 3 Bed FlatFlat 1, 81, Onslow Square, London, SW7 3LTFlat 1, 81, Onslow Square, London, SW7 3LT
• Sold Apr 2017£850,000 | 2 Bed FlatFlat 3, 22, Cranley Gardens, London, SW7 3DDFlat 3, 22, Cranley Gardens, London, SW7 3DD
• Sold Mar 2017£2,500,000 | 3 Bed FlatFlat 2, 89, Onslow Square, London, SW7 3LTFlat 2, 89, Onslow Square, London, SW7 3LT
• Sold May 2016£900,000 | 3 Bed FlatBasement Flat, 50A, Onslow Gardens, London, SW7 3QABasement Flat, 50A, Onslow Gardens, London, SW7 3QA
• Sold Aug 2014£3,730,000 | 3 Bed FlatFlat 1, 38, Onslow Gardens, London, SW7 3PYFlat 1, 38, Onslow Gardens, London, SW7 3PY
• Sold Jul 2013£2,450,000 | 3 Bed FlatFlat 7, 7, Onslow Gardens, London, SW7 3LYFlat 7, 7, Onslow Gardens, London, SW7 3LY
• Sold Mar 2013£1,850,000 | 3 Bed FlatFlat 7, 89, Onslow Square, London, SW7 3LTFlat 7, 89, Onslow Square, London, SW7 3LT
• Sold Mar 2011£1,700,000 | 3 Bed FlatFlat 3, 35, Onslow Gardens, London, SW7 3PYFlat 3, 35, Onslow Gardens, London, SW7 3PY
• Sold Jan 2010£1,700,000 | 3 Bed FlatFlat 8, 35, Onslow Gardens, London, SW7 3PYFlat 8, 35, Onslow Gardens, London, SW7 3PY
• Sold Nov 2008£2,400,000 | 3 Bed Flat50, Rose Square, London, SW3 6RS50, Rose Square, London, SW3 6RS
• Sold Mar 2007£1,685,000 | 3 Bed FlatFlat 5, 89, Onslow Square, London, SW7 3LTFlat 5, 89, Onslow Square, London, SW7 3LT

Of the 504 addresses on Onslow Gardens, London, SW7, Basement, 41A, Onslow Gardens comes out as the 188th largest and the 132nd most expensive in our analysis of the public data.

It is also £60k more 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.