According to the Land Registry and our network of Estate Agents, there have been 3 property sales within 230 metres of 20, Onslow Gardens over the last 2 years.

The most recent example is Flat 5, 21, Onslow Gardens, London, SW7 3AL, a leasehold flat which sold for £3,700,000 on the 13th February 2026.

Read more about house prices in SW7.

• Sold Feb 2026£3,700,000 | 3 Bed FlatFlat 5, 21, Onslow Gardens, London, SW7 3ALFlat 5, 21, Onslow Gardens, London, SW7 3AL
• Sold Nov 2024£4,100,000 | 2 Bed FlatFlat 1, 21, Onslow Gardens, London, SW7 3ALFlat 1, 21, Onslow Gardens, London, SW7 3AL
• Sold Dec 2020£358,300 | 2 Bed FlatFlat 9, 21, Onslow Gardens, London, SW7 3ALFlat 9, 21, Onslow Gardens, London, SW7 3AL

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

• 300

  m

  Our Lady of Victories RC Primary School
• 500

  m

  Oratory Roman Catholic Primary School
• 600

  m

  Bousfield Primary School

• 1.1

  km

  St. Thomas More Language College
• 1.5

  km

  Chelsea Academy
• 1.5

  km

  The London Oratory School

• 400

  m

  South Kensington
• 500

  m

  Gloucester Road
• 1.1

  km

  Earl's Court

According to recent data from Ofcom, superfast broadband is available in this area.

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