101, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Jun 2014.

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 32 sales of properties similar to 101, Onslow Square within a radius of 250 metres since 2007.

The most recent example is Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat which sold for £1,850,000 on the 6th March 2026.

Read more about house prices in SW7.

• Sold Mar 2026£1,850,000 | 3 Bed FlatFlat 12, 35, Onslow Gardens, London, SW7 3PYFlat 12, 35, Onslow Gardens, London, SW7 3PY
• Sold Jun 2025£2,200,000 | 3 Bed FlatFlat 9, 14, Onslow Square, London, SW7 3NPFlat 9, 14, Onslow Square, London, SW7 3NP
• Sold Nov 2024£2,025,000 | 3 Bed FlatFlat 6, 42, Onslow Gardens, London, SW7 3PYFlat 6, 42, Onslow Gardens, London, SW7 3PY
• Sold Sep 2024£1,275,000 | 3 Bed FlatBasement, 109A, Onslow Square, London, SW7 3LUBasement, 109A, Onslow Square, London, SW7 3LU
• Sold Jul 2024£1,900,000 | 3 Bed Flat3, Rose Square, London, SW3 6RS3, Rose Square, London, SW3 6RS
• Sold Jun 2023£2,650,000 | 3 Bed FlatFlat 3, 6, Onslow Gardens, London, SW7 3LYFlat 3, 6, Onslow Gardens, London, SW7 3LY
• Sold Dec 2022£875,000 | 3 Bed FlatFlat 18, 9-11 , Manson Place, London, SW7 5LTFlat 18, 9-11 , Manson Place, London, SW7 5LT
• Sold May 2022£2,000,000 | 3 Bed FlatFlat 3, 49, Onslow Gardens, London, SW7 3QFFlat 3, 49, Onslow Gardens, London, SW7 3QF
• Sold Dec 2021£2,185,000 | 3 Bed Flat45, Rose Square, London, SW3 6RS45, Rose Square, London, SW3 6RS
• 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 Jan 2021£2,450,000 | 3 Bed FlatFlat 4, 89, Onslow Square, London, SW7 3LTFlat 4, 89, Onslow Square, London, SW7 3LT
• Sold Aug 2019£1,550,000 | 3 Bed FlatFlat 9, 97, Onslow Square, London, SW7 3LUFlat 9, 97, Onslow Square, London, SW7 3LU
• Sold Oct 2017£3,450,000 | 3 Bed FlatFlat 8, 55, Onslow Gardens, London, SW7 3QFFlat 8, 55, Onslow Gardens, London, SW7 3QF
• Sold Sep 2017£632,000 | 3 Bed FlatFlat 1, 81, Onslow Square, London, SW7 3LTFlat 1, 81, Onslow Square, London, SW7 3LT
• Sold Mar 2017£2,500,000 | 3 Bed FlatFlat 2, 89, Onslow Square, London, SW7 3LTFlat 2, 89, Onslow Square, London, SW7 3LT
• Sold Jan 2017£1,300,000 | 3 Bed Flat97A, Onslow Square, London, SW7 3LU97A, Onslow Square, London, SW7 3LU
• Sold Mar 2013£1,850,000 | 3 Bed FlatFlat 7, 89, Onslow Square, London, SW7 3LTFlat 7, 89, Onslow Square, London, SW7 3LT
• Sold Jan 2012£1,675,000 | 3 Bed FlatFlat 15, 35, Onslow Gardens, London, SW7 3PYFlat 15, 35, Onslow Gardens, London, SW7 3PY
• Sold Mar 2007£1,685,000 | 3 Bed FlatFlat 5, 89, Onslow Square, London, SW7 3LTFlat 5, 89, Onslow Square, London, SW7 3LT

Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, 101, Onslow Square is the 196th largest and the 161st most expensive property on the street.

When compared to the postcode district it is £214k less 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

  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

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