23, Alexander Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 12 Apr 2010.

The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).

23, Alexander Square last changed hands on 4th March 2016, selling for £5,500,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 40.3% since March 2016.

• Sold Mar 2016£5,500,000
• Sold May 2000£2,400,000
• Sold Jul 1997£1,060,000

Land Registry records and our Estate Agent network show 16 sales of comparable properties within 270 metres of 23, Alexander Square since 2007.

Most recently, 15, Pelham Place, London, SW7 2NQ, a freehold house, sold at £6,235,000 on the 4th March 2026.

Read more about house prices in SW3.

• Sold Mar 2026£6,235,000 | 5 Bed House15, Pelham Place, London, SW7 2NQ15, Pelham Place, London, SW7 2NQ
• Sold Mar 2025£7,750,000 | 5 Bed House7, Alexander Square, London, SW3 2AY7, Alexander Square, London, SW3 2AY
• Sold May 2024£6,250,000 | 6 Bed House16, South Terrace, London, SW7 2TD16, South Terrace, London, SW7 2TD
• Sold May 2024£5,860,000 | 5 Bed House21, Alexander Square, London, SW3 2AU21, Alexander Square, London, SW3 2AU
• Sold Dec 2022£6,067,500 | 5 Bed House9, Alexander Place, London, SW7 2SG9, Alexander Place, London, SW7 2SG
• Sold Aug 2022£7,165,000 | 5 Bed House12, Alexander Square, London, SW3 2AY12, Alexander Square, London, SW3 2AY
• Sold Jul 2022£7,870,000 | 5 Bed House6, Alexander Square, London, SW3 2AY6, Alexander Square, London, SW3 2AY
• Sold Jan 2022£5,150,000 | 6 Bed House18, Donne Place, London, SW3 2NG18, Donne Place, London, SW3 2NG
• Sold Mar 2021£5,645,000 | 5 Bed House11, Alexander Square, London, SW3 2AY11, Alexander Square, London, SW3 2AY
• Sold Jan 2021£15,000,000 | 6 Bed House19, Pelham Place, London, SW7 2NQ19, Pelham Place, London, SW7 2NQ
• Sold Oct 2020£7,500,000 | 5 Bed House5, Pelham Place, London, SW7 2NQ5, Pelham Place, London, SW7 2NQ
• Sold Sep 2017£6,750,000 | 5 Bed House10, Alexander Square, London, SW3 2AY10, Alexander Square, London, SW3 2AY
• Sold Nov 2016£5,750,000 | 5 Bed House1, Pelham Place, London, SW7 2NQ1, Pelham Place, London, SW7 2NQ
• Sold Mar 2011£4,300,000 | 5 Bed House17, Alexander Place, London, SW7 2SG17, Alexander Place, London, SW7 2SG
• Sold Apr 2009£1,950,000 | 3 Bed House15, Thurloe Square, London, SW7 2TE15, Thurloe Square, London, SW7 2TE
• Sold Aug 2007£6,475,000 | 5 Bed House7, Pelham Crescent, London, SW7 2NP7, Pelham Crescent, London, SW7 2NP

Our analysis of the public data ranks 23, Alexander Square as the 16th largest and the 16th most expensive of the 20 addresses on Alexander Square, London, SW3.

Against the SW3 postcode district average, it is £4m more expensive than the typical property.

• Marlborough Primary School

  300 m away
• Oratory Roman Catholic Primary School

  500 m away
• St Joseph's Catholic Primary School

  500 m away

• St. Thomas More Language College

  500 m away
• Chelsea Academy

  2.1 km away
• Westminster City School

  2.1 km away

• South Kensington

  |

  400 m away
• Knightsbridge

  |

  700 m away
• Sloane Square

  |

  900 m away

Environment Agency data suggests this area has a Very Low risk of flooding.