Flat 11, 27, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Mar 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using community scheme.

Land Registry records and our Estate Agent network show 49 sales of comparable properties within 290 metres of Flat 11, 27, Onslow Square since 2012.

Most recently, Flat 20, Petersham House 29-37, Harrington Road, London, SW7 3HD, a leasehold flat, sold at £650,000 on the 18th May 2026.

Read more about house prices in SW7.

• Sold May 2026£650,000 | 2 Bed FlatFlat 20, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 20, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Dec 2025£933,500 | 2 Bed FlatFlat 14, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 14, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Feb 2025£95,000 | 2 Bed Flat6, Glendower Place, London, SW7 3DP6, Glendower Place, London, SW7 3DP
• Sold Jan 2025£18,000 | 2 Bed Flat13, Bute Street, London, SW7 3EY13, Bute Street, London, SW7 3EY
• Sold Aug 2024£1,150,000 | 2 Bed FlatFlat 36, Thurloe Court, Fulham Road, London, SW3 6SBFlat 36, Thurloe Court, Fulham Road, London, SW3 6SB
• Sold Dec 2023£800,000 | 2 Bed FlatFlat 1, 181, Fulham Road, London, SW3 6JNFlat 1, 181, Fulham Road, London, SW3 6JN
• Sold Nov 2023£1,050,000 | 2 Bed FlatFlat 2, 27, Onslow Square, London, SW7 3NHFlat 2, 27, Onslow Square, London, SW7 3NH
• Sold Dec 2022£800,000 | 2 Bed FlatFlat 7, 161, Fulham Road, London, SW3 6SNFlat 7, 161, Fulham Road, London, SW3 6SN
• Sold Mar 2022£1,225,000 | 2 Bed FlatFlat 1, 10, Thurloe Square, London, SW7 2TAFlat 1, 10, Thurloe Square, London, SW7 2TA
• Sold Jun 2021£499,999 | 2 Bed FlatFlat 3, 161, Fulham Road, London, SW3 6SNFlat 3, 161, Fulham Road, London, SW3 6SN
• Sold Dec 2020£1,210,000 | 2 Bed FlatFlat 25, Pelham Court 145, Fulham Road, London, SW3 6SHFlat 25, Pelham Court 145, Fulham Road, London, SW3 6SH
• Sold Jul 2019£725,000 | 2 Bed FlatFlat 28, Thurloe Court, Fulham Road, London, SW3 6SBFlat 28, Thurloe Court, Fulham Road, London, SW3 6SB
• Sold Jul 2019£2,416,667 | 2 Bed FlatFlat 1, 266, Brompton Road, London, SW3 2ASFlat 1, 266, Brompton Road, London, SW3 2AS
• Sold Jul 2019£2,416,667 | 2 Bed FlatFlat 3, 266, Brompton Road, London, SW3 2ASFlat 3, 266, Brompton Road, London, SW3 2AS
• Sold May 2019£1,040,000 | 2 Bed FlatFlat 35, Thurloe Court, Fulham Road, London, SW3 6SBFlat 35, Thurloe Court, Fulham Road, London, SW3 6SB
• Sold Oct 2018£875,000 | 2 Bed FlatFlat 22, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 22, Petersham House 29-37, Harrington Road, London, SW7 3HD
• Sold Mar 2016£2,000,000 | 2 Bed FlatFlat 37, Malvern Court, Onslow Square, London, SW7 3HYFlat 37, Malvern Court, Onslow Square, London, SW7 3HY
• Sold Jan 2016£1,825,000 | 2 Bed Flat4C , Thurloe Street, London, SW7 2ST4C , Thurloe Street, London, SW7 2ST
• Sold Mar 2015£1,400,000 | 2 Bed FlatFlat 7, 27, Onslow Square, London, SW7 3NHFlat 7, 27, Onslow Square, London, SW7 3NH
• Sold Oct 2012£820,000 | 2 Bed FlatFlat 12, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 12, Petersham House 29-37, Harrington Road, London, SW7 3HD

Our analysis of the public data ranks Flat 11, 27, Onslow Square as the 271st largest and the 304th most expensive of the 321 addresses on Onslow Square, London, SW7.

Against the SW7 postcode district average, it is £1.051m less expensive than the typical property.

• Oratory Roman Catholic Primary School

  400 m away
• Our Lady of Victories RC Primary School

  400 m away
• Marlborough Primary School

  500 m away

• St. Thomas More Language College

  800 m away
• Chelsea Academy

  1.9 km away
• The London Oratory School

  1.9 km away

• South Kensington

  |

  100 m away
• Gloucester Road

  |

  700 m away
• Knightsbridge

  |

  1.0 km away

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