Flat 5, 42, Lowndes Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Apr 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using Air source heat pump, warm air, electric.

According to HM Land Registry, Flat 5, 42, Lowndes Square was last sold on 31st July 2003 for £5,005,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

• Sold Jul 2003£5,005,000

According to the Land Registry and our network of Estate Agents, there have been 3 property sales within 270 metres of Flat 5, 42, Lowndes Square over the last 2 years.

The most recent example is Flat 3, 40, Lowndes Square, London, SW1X 9JL, a leasehold flat which sold for £11,200,000 on the 3rd March 2023.

Read more about house prices in SW1.

• Sold Mar 2023£11,200,000 | 3 Bed FlatFlat 3, 40, Lowndes Square, London, SW1X 9JLFlat 3, 40, Lowndes Square, London, SW1X 9JL
• Sold Dec 2021£3,250,000 | 4 Bed House32, Harriet Walk, London, SW1X 9JH32, Harriet Walk, London, SW1X 9JH
• Sold Oct 2021£424,057 | 3 Bed FlatFlat 1, 43, Lowndes Square, London, SW1X 9JLFlat 1, 43, Lowndes Square, London, SW1X 9JL

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

Our network of Estate Agents reports 1 let within 270 metres of Flat 5, 42, Lowndes Square over the last 2 years.

Most recently, Flat 56, Lincoln House, Basil Street, London, SW3 1AW, a leasehold flat, was let by Maplewood Property in November 2025.

• 
  Let agreed Nov 2025£ Undisclosed | 2 Bed FlatFlat 56, Lincoln House, Basil Street, London, SW3 1AWFlat 56, Lincoln House, Basil Street, London, SW3 1AW

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

Lowndes Square, London, SW1 has a total of 301 addresses. According to our analysis of all the public data, Flat 5, 42, Lowndes Square is the 9th largest and the 24th most expensive property on the street.

When compared to the postcode district it is £3.841m more expensive than the average property in SW1.

• 700

  m

  Holy Trinity CofE Primary School
• 800

  m

  St Joseph's Catholic Primary School
• 900

  m

  Marlborough Primary School

• 800

  m

  St. Thomas More Language College
• 1.4

  km

  Westminster City School
• 1.8

  km

  The Grey Coat Hospital

• 200

  m

  Knightsbridge
• 600

  m

  Hyde Park Corner
• 900

  m

  Sloane Square

According to recent data from Ofcom, ultrafast 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.