Flat 6, 105, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Sep 2024.

The property is not connected to mains gas and has some secondary glazing. It is heated using community scheme.

Flat 6, 105, Onslow Square last changed hands on 28th February 2000, selling for £1,600,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 3 times since 1995.

• Sold Feb 2000£1,600,000
• Sold Feb 1998£1,075,000
• Sold May 1997£771,700

Land Registry records and our Estate Agent network show 25 sales of comparable properties within 250 metres of Flat 6, 105, Onslow Square since 2011.

Most recently, Flat 10, 81, Onslow Square, London, SW7 3LT, a leasehold flat, sold at £2,500,000 on the 15th August 2025.

Read more about house prices in SW7.

• Sold Aug 2025£2,500,000 | 3 Bed FlatFlat 10, 81, Onslow Square, London, SW7 3LTFlat 10, 81, Onslow Square, London, SW7 3LT
• Sold Mar 2025£2,950,000 | 4 Bed FlatFlat 25, Melton Court, Onslow Crescent, London, SW7 3JQFlat 25, Melton Court, Onslow Crescent, London, SW7 3JQ
• Sold Jan 2025£2,525,000 | 4 Bed FlatFlat 58, Melton Court, Onslow Crescent, London, SW7 3JHFlat 58, Melton Court, Onslow Crescent, London, SW7 3JH
• Sold Aug 2022£875,000 | 3 Bed FlatFlat 16, 9-11 , Manson Place, London, SW7 5LTFlat 16, 9-11 , Manson Place, London, SW7 5LT
• Sold Jun 2021£3,325,000 | 3 Bed FlatFlat 4, 81, Onslow Square, London, SW7 3LTFlat 4, 81, Onslow Square, London, SW7 3LT
• Sold Apr 2021£2,500,000 | 4 Bed FlatFlat 12, 105, Onslow Square, London, SW7 3LUFlat 12, 105, Onslow Square, London, SW7 3LU
• Sold Apr 2020£2,325,000 | 3 Bed FlatFlat 7, 73, Onslow Gardens, London, SW7 3QDFlat 7, 73, Onslow Gardens, London, SW7 3QD
• Sold Sep 2019£2,682,000 | 3 Bed Flat1A, Neville Street, London, SW7 3AR1A, Neville Street, London, SW7 3AR
• Sold Aug 2019£950,000 | 4 Bed FlatFlat 10, 97, Onslow Square, London, SW7 3LUFlat 10, 97, Onslow Square, London, SW7 3LU
• Sold Mar 2019£1,810,000 | 4 Bed FlatFlat 1, Glendower Mansions , Glendower Place, London, SW7 3DSFlat 1, Glendower Mansions , Glendower Place, London, SW7 3DS
• Sold Jan 2019£2,649,999 | 4 Bed FlatFlat 66, Melton Court, Onslow Crescent, London, SW7 3JHFlat 66, Melton Court, Onslow Crescent, London, SW7 3JH
• Sold Sep 2018£2,150,000 | 3 Bed FlatFlat 35, Melton Court, Onslow Crescent, London, SW7 3JQFlat 35, Melton Court, Onslow Crescent, London, SW7 3JQ
• Sold Mar 2018£5,000,000 | 3 Bed FlatFlat 1, 61, Onslow Square, London, SW7 3LSFlat 1, 61, Onslow Square, London, SW7 3LS
• Sold Dec 2016£3,000,000 | 3 Bed FlatFlat 1, 30, Onslow Gardens, London, SW7 3AHFlat 1, 30, Onslow Gardens, London, SW7 3AH
• Sold Oct 2015£3,200,000 | 3 Bed FlatFlat 5, Avenue Studios, Sydney Close, London, SW3 6HWFlat 5, Avenue Studios, Sydney Close, London, SW3 6HW
• Sold Sep 2015£3,850,000 | 3 Bed Flat20, Rose Square, London, SW3 6RS20, Rose Square, London, SW3 6RS
• Sold Mar 2015£4,100,000 | 3 Bed FlatFlat 5, 61, Onslow Square, London, SW7 3LSFlat 5, 61, Onslow Square, London, SW7 3LS
• Sold Apr 2014£1,287,500 | 3 Bed FlatFlat 14, 9-11 , Manson Place, London, SW7 5LTFlat 14, 9-11 , Manson Place, London, SW7 5LT
• Sold Jan 2014£2,861,000 | 4 Bed FlatFlat 12, Melton Court, Onslow Crescent, London, SW7 3JQFlat 12, Melton Court, Onslow Crescent, London, SW7 3JQ
• Sold Jul 2011£900,000 | 4 Bed FlatFlat 5, 34, Onslow Gardens, London, SW7 3AQFlat 5, 34, Onslow Gardens, London, SW7 3AQ

Our analysis of the public data ranks Flat 6, 105, Onslow Square as the 51st largest and the 82nd most expensive of the 321 addresses on Onslow Square, London, SW7.

Against the SW7 postcode district average, it is £542k more expensive than the typical property.

• 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

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