Basement Flat, 52A, Onslow Gardens last changed hands on 11th January 2008, selling for £380,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 8.2% since January 2008.

• Sold Jan 2008£380,000

Land Registry records and our Estate Agent network show 63 sales of comparable properties within 220 metres of Basement Flat, 52A, Onslow Gardens since 2010.

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 Aug 2025£1,107,500 | 2 Bed FlatFlat 5, 67, Onslow Gardens, London, SW7 3QDFlat 5, 67, Onslow Gardens, London, SW7 3QD
• Sold May 2024£1,600,000 | 2 Bed FlatFlat 8, 49, Onslow Gardens, London, SW7 3QFFlat 8, 49, Onslow Gardens, London, SW7 3QF
• 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 Aug 2023£1,250,000 | 2 Bed FlatFlat 9, 21-22 , Stanhope Gardens, London, SW7 5QXFlat 9, 21-22 , Stanhope Gardens, London, SW7 5QX
• Sold Jul 2023£547,500 | 2 Bed FlatFlat 9, 49, Onslow Gardens, London, SW7 3QFFlat 9, 49, Onslow Gardens, London, SW7 3QF
• Sold Nov 2022£610,000 | 2 Bed FlatFlat 2, 1-3 , Manson Place, London, SW7 5LTFlat 2, 1-3 , Manson Place, London, SW7 5LT
• Sold Oct 2022£1,020,000 | 2 Bed FlatFlat 2, 49, Onslow Gardens, London, SW7 3QFFlat 2, 49, Onslow Gardens, London, SW7 3QF
• 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£1,775,000 | 2 Bed FlatFlat F, 70, Onslow Gardens, London, SW7 3QBFlat F, 70, Onslow Gardens, London, SW7 3QB
• 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£1,370,000 | 2 Bed FlatFlat G, 70, Onslow Gardens, London, SW7 3QBFlat G, 70, Onslow Gardens, London, SW7 3QB
• Sold Jun 2021£2,300,000 | 2 Bed FlatFlat 3, 97, Onslow Square, London, SW7 3LUFlat 3, 97, Onslow Square, London, SW7 3LU
• Sold Nov 2020£1,395,000 | 2 Bed FlatFlat 12, 49, Onslow Gardens, London, SW7 3QFFlat 12, 49, Onslow Gardens, London, SW7 3QF
• Sold Jan 2020£1,200,000 | 2 Bed FlatFlat 5, 21-22 , Stanhope Gardens, London, SW7 5QXFlat 5, 21-22 , Stanhope Gardens, London, SW7 5QX
• 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£1,200,000 | 2 Bed FlatFlat 6, 54, Onslow Gardens, London, SW7 3QAFlat 6, 54, Onslow Gardens, London, SW7 3QA
• Sold Aug 2015£817,500 | 2 Bed FlatFlat 4, 49, Onslow Gardens, London, SW7 3QFFlat 4, 49, Onslow Gardens, London, SW7 3QF
• Sold Jul 2010£575,000 | 2 Bed FlatFlat 1, 21-22 , Stanhope Gardens, London, SW7 5QXFlat 1, 21-22 , Stanhope Gardens, London, SW7 5QX

Our analysis of the public data ranks Basement Flat, 52A, Onslow Gardens as the 351st largest and the 316th most expensive of the 504 addresses on Onslow Gardens, London, SW7.

Against the SW7 postcode district average, it is £938k 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.