Flat 8, 105, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Aug 2017.

The property is connected to mains gas and has full secondary glazing. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 15 sales of comparable properties within 250 metres of Flat 8, 105, Onslow Square since 2009.

Most recently, 60, Rose Square, London, SW3 6RS, a leasehold flat, sold at £3,650,000 on the 22nd September 2025.

Read more about house prices in SW7.

• Sold Sep 2025£3,650,000 | 3 Bed Flat60, Rose Square, London, SW3 6RS60, Rose Square, London, SW3 6RS
• Sold Jul 2025£3,000,000 | 4 Bed FlatFlat 1, 42, Onslow Gardens, London, SW7 3PYFlat 1, 42, Onslow Gardens, London, SW7 3PY
• Sold May 2025£2,000,000 | 4 Bed FlatFlat 7, Melton Court, Onslow Crescent, London, SW7 3JQFlat 7, Melton Court, Onslow Crescent, London, SW7 3JQ
• Sold Sep 2021£3,500,000 | 3 Bed Flat64, Rose Square, London, SW3 6RS64, Rose Square, London, SW3 6RS
• Sold Apr 2021£2,500,000 | 4 Bed FlatFlat 12, 105, Onslow Square, London, SW7 3LUFlat 12, 105, Onslow Square, London, SW7 3LU
• Sold Aug 2019£950,000 | 4 Bed FlatFlat 10, 97, Onslow Square, London, SW7 3LUFlat 10, 97, Onslow Square, London, SW7 3LU
• Sold Dec 2017£3,050,000 | 4 Bed FlatFlat 1, 35, Onslow Gardens, London, SW7 3PYFlat 1, 35, Onslow Gardens, London, SW7 3PY
• Sold Feb 2017£2,250,000 | 3 Bed Flat21, Sydney Mews, London, SW3 6HL21, Sydney Mews, London, SW3 6HL
• Sold Mar 2015£2,300,000 | 4 Bed FlatFlat 4, 38, Onslow Gardens, London, SW7 3PYFlat 4, 38, Onslow Gardens, London, SW7 3PY
• Sold Sep 2014£3,750,000 | 4 Bed FlatFlat 1, 2, Cranley Place, London, SW7 3ABFlat 1, 2, Cranley Place, London, SW7 3AB
• 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
• Sold Oct 2011£4,350,000 | 4 Bed FlatFlat 4, 43, Onslow Square, London, SW7 3LRFlat 4, 43, Onslow Square, London, SW7 3LR
• Sold Jul 2011£900,000 | 4 Bed FlatFlat 5, 34, Onslow Gardens, London, SW7 3AQFlat 5, 34, Onslow Gardens, London, SW7 3AQ
• Sold Jul 2009£2,650,000 | 4 Bed FlatFlat 2, 7, Onslow Gardens, London, SW7 3LYFlat 2, 7, Onslow Gardens, London, SW7 3LY

Our analysis of the public data ranks Flat 8, 105, Onslow Square as the 24th largest and the 57th most expensive of the 321 addresses on Onslow Square, London, SW7.

Against the SW7 postcode district average, it is £966k 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.