5, Alexander Square occupies a 181 m² plot as recorded by HM Land Registry.

All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.

5, Alexander Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Jun 2026.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).

5, Alexander Square last changed hands on 28th February 2000, selling for £2,050,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

• Sold Feb 2000£2,050,000
• Sold May 1999£140,000

Land Registry records and our Estate Agent network show 21 sales of comparable properties within 330 metres of 5, Alexander Square since 2009.

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 Feb 2026£7,100,000 | 5 Bed House14, Pelham Crescent, London, SW7 2NP14, Pelham Crescent, London, SW7 2NP
• 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 Nov 2023£8,658,100 | 5 Bed House53, Yeomans Row, London, SW3 2AL53, Yeomans Row, London, SW3 2AL
• Sold Mar 2023£7,750,000 | 5 Bed House18, Alexander Square, London, SW3 2AX18, Alexander Square, London, SW3 2AX
• 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 Jun 2021£6,500,000 | 5 Bed House14, Alexander Square, London, SW3 2AX14, Alexander Square, London, SW3 2AX
• Sold Jun 2021£7,500,000 | 6 Bed House2, Pelham Crescent, London, SW7 2NP2, Pelham Crescent, London, SW7 2NP
• Sold May 2021£5,850,000 | 6 Bed House11, Thurloe Street, London, SW7 2SS11, Thurloe Street, London, SW7 2SS
• 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 Nov 2017£6,750,000 | 5 Bed House45, Brompton Square, London, SW3 2AF45, Brompton Square, London, SW3 2AF
• Sold Sep 2017£6,750,000 | 5 Bed House10, Alexander Square, London, SW3 2AY10, Alexander Square, London, SW3 2AY
• Sold Mar 2016£5,500,000 | 5 Bed House23, Alexander Square, London, SW3 2AU23, Alexander Square, London, SW3 2AU
• Sold Jan 2015£12,150,000 | 6 Bed House28, Thurloe Square, London, SW7 2SD28, Thurloe Square, London, SW7 2SD
• Sold Feb 2013£6,700,000 | 6 Bed House5, Thurloe Street, London, SW7 2SS5, Thurloe Street, London, SW7 2SS
• Sold Apr 2009£1,950,000 | 3 Bed House15, Thurloe Square, London, SW7 2TE15, Thurloe Square, London, SW7 2TE

Our analysis of the public data ranks 5, Alexander Square as the 7th largest and the 9th most expensive of the 20 addresses on Alexander Square, London, SW3.

Against the SW3 postcode district average, it is £4.891m more expensive than the typical property.

• Marlborough Primary School

  400 m away
• Oratory Roman Catholic Primary School

  600 m away
• St Joseph's Catholic Primary School

  600 m away

• St. Thomas More Language College

  600 m away
• Westminster City School

  2.1 km away
• Chelsea Academy

  2.2 km away

• South Kensington

  |

  300 m away
• Knightsbridge

  |

  700 m away
• Gloucester Road

  |

  900 m away

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