Flat 6, 9, Whistler Square has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 14 Aug 2019.

The property is not connected to mains gas and has high performance glazing. It is heated using Community scheme.

According to HM Land Registry, Flat 6, 9, Whistler Square was last sold on 6th November 2019 for £5,650,000 and was recorded as a leasehold flat.

The property has only had this single sale since 1995.

Since November 2019, the market for similar properties has dropped by 76.8%.

• Sold Nov 2019£5,650,000

According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 6, 9, Whistler Square within a radius of 340 metres over the last 2 years.

The most recent example is Flat 42, 9, Mulberry Square, London, SW1W 8BQ, a leasehold flat which sold for £6,475,000 on the 4th June 2024.

Read more about house prices in SW1.

• Sold Jun 2024£6,475,000 | 3 Bed FlatFlat 42, 9, Mulberry Square, London, SW1W 8BQFlat 42, 9, Mulberry Square, London, SW1W 8BQ
• Sold May 2024£6,000,000 | 3 Bed FlatFlat 26, 9, Mulberry Square, London, SW1W 8BQFlat 26, 9, Mulberry Square, London, SW1W 8BQ
• Sold Dec 2019£5,391,159 | 3 Bed FlatFlat 9, 9, Whistler Square, London, SW1W 8DBFlat 9, 9, Whistler Square, London, SW1W 8DB

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

Our network of Estate Agents reports 1 let within 340 metres of Flat 6, 9, Whistler Square over the last 2 years.

Most recently, Flat 5, 10, Sloane Gardens, London, SW1W 8DL, a leasehold flat, was let by Fine Living in August 2025.

• 
  Let agreed Aug 2025£ Undisclosed | 2 Bed FlatFlat 5, 10, Sloane Gardens, London, SW1W 8DLFlat 5, 10, Sloane Gardens, London, SW1W 8DL

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

Whistler Square, London, SW1 has a total of 64 addresses. According to our analysis of all the public data, Flat 6, 9, Whistler Square is the 51st largest and the 41st most expensive property on the street.

When compared to the postcode district it is £4.504m more expensive than the average property in SW1.

• 300

  m

  St Barnabas' CofE Primary School
• 400

  m

  Holy Trinity CofE Primary School
• 600

  m

  St Joseph's Catholic Primary School

• 600

  m

  St. Thomas More Language College
• 1.2

  km

  Pimlico Academy
• 1.4

  km

  Westminster City School

• 300

  m

  Sloane Square
• 1.0

  km

  London Victoria
• 1.0

  km

  Victoria

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.