Flat 8, 52, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Aug 2022.

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

According to the Land Registry and our network of Estate Agents, there have been 18 sales of properties similar to Flat 8, 52, Onslow Square within a radius of 260 metres since 2009.

The most recent example is Flat 10, 81, Onslow Square, London, SW7 3LT, a leasehold flat which sold for £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 Jul 2025£2,190,000 | 3 Bed FlatFlat 1, 23, Sumner Place, London, SW7 3EGFlat 1, 23, Sumner Place, London, SW7 3EG
• Sold Mar 2025£3,500,000 | 3 Bed FlatFlat 3, 26, Onslow Gardens, London, SW7 3AGFlat 3, 26, Onslow Gardens, London, SW7 3AG
• Sold Dec 2023£2,841,500 | 3 Bed Flat62, Rose Square, London, SW3 6RS62, Rose Square, London, SW3 6RS
• Sold Aug 2022£3,600,000 | 3 Bed FlatFlat 1, 17, Onslow Square, London, SW7 3NJFlat 1, 17, Onslow Square, London, SW7 3NJ
• Sold Jun 2021£3,325,000 | 3 Bed FlatFlat 4, 81, Onslow Square, London, SW7 3LTFlat 4, 81, Onslow Square, London, SW7 3LT
• Sold Mar 2021£2,300,000 | 3 Bed Flat1, Onslow Square, London, SW7 3NJ1, Onslow Square, London, SW7 3NJ
• Sold Dec 2020£4,950,000 | 3 Bed Flat47, Onslow Square, London, SW7 3LR47, Onslow Square, London, SW7 3LR
• Sold Oct 2018£2,650,000 | 3 Bed FlatFlat 2, 52, Onslow Square, London, SW7 3NXFlat 2, 52, Onslow Square, London, SW7 3NX
• Sold Jun 2018£3,000,000 | 3 Bed FlatFlat 1, 38, Onslow Square, London, SW7 3NSFlat 1, 38, Onslow Square, London, SW7 3NS
• Sold Dec 2016£3,000,000 | 3 Bed FlatFlat 1, 30, Onslow Gardens, London, SW7 3AHFlat 1, 30, Onslow Gardens, London, SW7 3AH
• Sold Jun 2016£4,140,000 | 3 Bed FlatFlat 2, 44, Onslow Square, London, SW7 3NXFlat 2, 44, Onslow Square, London, SW7 3NX
• Sold Mar 2016£4,400,000 | 3 Bed Flat19, Onslow Square, London, SW7 3NJ19, Onslow Square, London, SW7 3NJ
• Sold Sep 2015£3,850,000 | 3 Bed Flat20, Rose Square, London, SW3 6RS20, Rose Square, London, SW3 6RS
• Sold Jun 2015£3,850,000 | 3 Bed FlatFlat 7, 21, Onslow Gardens, London, SW7 3ALFlat 7, 21, Onslow Gardens, London, SW7 3AL
• Sold Feb 2015£3,100,000 | 3 Bed FlatFlat 4, 52, Onslow Square, London, SW7 3NXFlat 4, 52, Onslow Square, London, SW7 3NX
• Sold May 2014£3,900,000 | 3 Bed FlatFlat 3, 38, Onslow Square, London, SW7 3NSFlat 3, 38, Onslow Square, London, SW7 3NS
• Sold May 2009£2,300,000 | 3 Bed FlatFlat 4, 51, Onslow Square, London, SW7 3LRFlat 4, 51, Onslow Square, London, SW7 3LR

Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Flat 8, 52, Onslow Square is the 103rd largest and the 55th most expensive property on the street.

When compared to the postcode district it is £998k more expensive than the average property in SW7.

• Our Lady of Victories RC Primary School

  300 m away
• Oratory Roman Catholic Primary School

  400 m away
• Marlborough Primary School

  600 m away

• St. Thomas More Language College

  900 m away
• Chelsea Academy

  1.6 km away
• The London Oratory School

  1.7 km away

• South Kensington

  |

  300 m away
• Gloucester Road

  |

  600 m away
• Knightsbridge

  |

  1.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.