The most recent sale of Flat 10, 105, Onslow Square completed on 1st June 2007 at £1,400,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 16.8% over the period since June 2007.

• Sold Jun 2007£1,400,000

Since 2012 37 properties similar to Flat 10, 105, Onslow Square have sold within a radius of 250 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th July 2025, was Flat 3, 115B , Queen's Gate, London, SW7 5LP, a leasehold flat which sold for £1,850,000.

Read more about house prices in SW7.

• Sold Jul 2025£1,850,000 | 3 Bed FlatFlat 3, 115B , Queen's Gate, London, SW7 5LPFlat 3, 115B , Queen's Gate, London, SW7 5LP
• Sold Mar 2025£1,300,000 | 3 Bed FlatFlat 18, Melton Court, Onslow Crescent, London, SW7 3JQFlat 18, Melton Court, Onslow Crescent, London, SW7 3JQ
• Sold Oct 2024£1,895,000 | 2 Bed FlatFlat 2, 38, Onslow Gardens, London, SW7 3PYFlat 2, 38, Onslow Gardens, London, SW7 3PY
• Sold Oct 2024£1,600,000 | 3 Bed FlatFlat 9, Glendower Mansions , Glendower Place, London, SW7 3DSFlat 9, Glendower Mansions , Glendower Place, London, SW7 3DS
• Sold Jan 2024£1,530,000 | 3 Bed FlatFlat 21, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 21, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Oct 2023£1,200,000 | 2 Bed FlatFlat 28, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 28, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Jun 2023£1,800,000 | 2 Bed FlatFlat C, 4, Manson Place, London, SW7 5LTFlat C, 4, Manson Place, London, SW7 5LT
• Sold Feb 2023£1,400,000 | 2 Bed FlatFlat 1, 53, Onslow Gardens, London, SW7 3QFFlat 1, 53, Onslow Gardens, London, SW7 3QF
• Sold Aug 2022£2,000,000 | 2 Bed FlatFlat 11, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 11, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Jul 2022£2,100,000 | 3 Bed FlatFlat 73, Melton Court, Onslow Crescent, London, SW7 3JHFlat 73, Melton Court, Onslow Crescent, London, SW7 3JH
• Sold Feb 2022£1,605,000 | 3 Bed FlatFlat 1, 12, Sumner Place, London, SW7 3EEFlat 1, 12, Sumner Place, London, SW7 3EE
• Sold Sep 2021£800,000 | 3 Bed FlatFlat 12, 42, Onslow Gardens, London, SW7 3PYFlat 12, 42, Onslow Gardens, London, SW7 3PY
• Sold Jul 2021£2,650,000 | 3 Bed FlatFlat 10, 42, Onslow Gardens, London, SW7 3PYFlat 10, 42, Onslow Gardens, London, SW7 3PY
• Sold Jul 2021£2,400,000 | 3 Bed FlatFlat 2, 55, Onslow Gardens, London, SW7 3QFFlat 2, 55, Onslow Gardens, London, SW7 3QF
• Sold Jan 2021£2,450,000 | 3 Bed FlatFlat 4, 89, Onslow Square, London, SW7 3LTFlat 4, 89, Onslow Square, London, SW7 3LT
• Sold Sep 2019£1,250,000 | 3 Bed FlatFlat B, 70, Onslow Gardens, London, SW7 3QBFlat B, 70, Onslow Gardens, London, SW7 3QB
• Sold Aug 2019£1,550,000 | 3 Bed FlatFlat 9, 97, Onslow Square, London, SW7 3LUFlat 9, 97, Onslow Square, London, SW7 3LU
• Sold Jan 2017£1,300,000 | 3 Bed Flat97A, Onslow Square, London, SW7 3LU97A, Onslow Square, London, SW7 3LU
• Sold Dec 2013£2,800,000 | 3 Bed FlatFlat 5, 97, Onslow Square, London, SW7 3LUFlat 5, 97, Onslow Square, London, SW7 3LU
• Sold Jan 2012£1,675,000 | 3 Bed FlatFlat 15, 35, Onslow Gardens, London, SW7 3PYFlat 15, 35, Onslow Gardens, London, SW7 3PY

Of the 321 addresses on Onslow Square, London, SW7, Flat 10, 105, Onslow Square comes out as the 224th largest and the 227th most expensive in our analysis of the public data.

It is also £493k less expensive than the average property across the SW7 district.

• Our Lady of Victories RC Primary School

  300 m away
• Oratory Roman Catholic Primary School

  400 m away
• Marlborough Primary School

  700 m away

• St. Thomas More Language College

  1.0 km away
• Chelsea Academy

  1.6 km away
• The London Oratory School

  1.7 km away

• South Kensington

  |

  300 m away
• Gloucester Road

  |

  500 m away
• Earl's Court

  |

  1.2 km away

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