11, Markham Square occupies a 98 m² plot as recorded by HM Land Registry.

All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.

11, Markham Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 05 Aug 2010.

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

Land Registry records and our Estate Agent network show 37 sales of comparable properties within 250 metres of 11, Markham Square since 2007.

Most recently, 32, Radnor Walk, London, SW3 4BN, a freehold house, sold at £4,250,000 on the 29th September 2025.

Read more about house prices in SW3.

• Sold Sep 2025£4,250,000 | 5 Bed House32, Radnor Walk, London, SW3 4BN32, Radnor Walk, London, SW3 4BN
• Sold Sep 2025£4,500,000 | 5 Bed House30, Smith Street, London, SW3 4EP30, Smith Street, London, SW3 4EP
• Sold Jul 2025£5,100,000 | 5 Bed House47, Markham Square, London, SW3 4XA47, Markham Square, London, SW3 4XA
• Sold Jun 2025£4,550,000 | 5 Bed House8, Markham Square, London, SW3 4UY8, Markham Square, London, SW3 4UY
• Sold May 2025£5,650,000 | 5 Bed House15, Astell Street, London, SW3 3RT15, Astell Street, London, SW3 3RT
• Sold Sep 2024£5,350,000 | 5 Bed House17, Royal Avenue, London, SW3 4QE17, Royal Avenue, London, SW3 4QE
• Sold Sep 2024£6,300,000 | 4 Bed House25, Sloane Avenue, London, SW3 3JB25, Sloane Avenue, London, SW3 3JB
• Sold Jul 2023£5,750,000 | 5 Bed House21, Markham Square, London, SW3 4UY21, Markham Square, London, SW3 4UY
• Sold Jun 2022£5,950,000 | 4 Bed House15, Smith Terrace, London, SW3 4DL15, Smith Terrace, London, SW3 4DL
• Sold May 2022£4,700,000 | 4 Bed House33, Wellington Square, London, SW3 4NR33, Wellington Square, London, SW3 4NR
• Sold Aug 2021£5,800,000 | 5 Bed House6, Wellington Square, London, SW3 4NJ6, Wellington Square, London, SW3 4NJ
• Sold May 2021£5,295,000 | 5 Bed House41, Smith Terrace, London, SW3 4DH41, Smith Terrace, London, SW3 4DH
• Sold Apr 2021£4,730,000 | 5 Bed House39, Markham Street, London, SW3 3NR39, Markham Street, London, SW3 3NR
• Sold Mar 2021£5,400,000 | 5 Bed House18, Radnor Walk, London, SW3 4BN18, Radnor Walk, London, SW3 4BN
• Sold Mar 2020£5,700,000 | 4 Bed House33, Markham Square, London, SW3 4XA33, Markham Square, London, SW3 4XA
• Sold Sep 2018£6,525,000 | 5 Bed House41, Markham Square, London, SW3 4XA41, Markham Square, London, SW3 4XA
• Sold Aug 2018£3,100,000 | 5 Bed House17, Smith Terrace, London, SW3 4DL17, Smith Terrace, London, SW3 4DL
• Sold Dec 2013£5,250,000 | 4 Bed House20, Markham Square, London, SW3 4UY20, Markham Square, London, SW3 4UY
• Sold May 2013£6,000,000 | 5 Bed House34, Markham Square, London, SW3 4XA34, Markham Square, London, SW3 4XA
• Sold Sep 2007£4,651,000 | 5 Bed House35, Markham Square, London, SW3 4XA35, Markham Square, London, SW3 4XA

Our analysis of the public data ranks 11, Markham Square as the 35th largest and the 37th most expensive of the 62 addresses on Markham Square, London, SW3.

Against the SW3 postcode district average, it is £3.124m more expensive than the typical property.

• Marlborough Primary School

  300 m away
• Oratory Roman Catholic Primary School

  400 m away
• St Joseph's Catholic Primary School

  400 m away

• St. Thomas More Language College

  400 m away
• Saint John Bosco College

  1.7 km away
• Chelsea Academy

  1.8 km away

• Sloane Square

  |

  600 m away
• South Kensington

  |

  800 m away
• Knightsbridge

  |

  1.1 km away

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