31, William Square has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 12 Aug 2024.

The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.

According to HM Land Registry, 31, William Square was last sold on 29th January 2025 for £328,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since January 2025, the market for similar properties has dropped by 17.5%.

• Sold Jan 2025£328,000
• Sold Jul 1996£73,995

According to the Land Registry and our network of Estate Agents, there have been 137 sales of properties similar to 31, William Square within a radius of 390 metres since 2017.

The most recent example is 33, Frederick Square, London, SE16 5XR, a leasehold flat which sold for £300,000 on the 13th May 2026.

Read more about house prices in SE16.

• Sold May 2026£300,000 | 2 Bed Flat33, Frederick Square, London, SE16 5XR33, Frederick Square, London, SE16 5XR
• Sold Oct 2025£327,500 | 2 Bed FlatFlat 36, Globe Wharf 205, Rotherhithe Street, London, SE16 5XSFlat 36, Globe Wharf 205, Rotherhithe Street, London, SE16 5XS
• Sold May 2025£332,500 | 2 Bed Flat4, Sophia Square, London, SE16 5XL4, Sophia Square, London, SE16 5XL
• Sold Mar 2025£345,000 | 2 Bed Flat37, Frederick Square, London, SE16 5XR37, Frederick Square, London, SE16 5XR
• Sold May 2024£467,500 | 2 Bed Flat1, Sophia Square, London, SE16 5XL1, Sophia Square, London, SE16 5XL
• Sold Feb 2024£325,000 | 2 Bed Flat18, Helena Square, London, SE16 5XP18, Helena Square, London, SE16 5XP
• Sold Apr 2023£315,000 | 2 Bed Flat13, William Square, London, SE16 5XJ13, William Square, London, SE16 5XJ
• Sold Sep 2022£506,000 | 2 Bed Flat33, William Square, London, SE16 5XJ33, William Square, London, SE16 5XJ
• Sold Sep 2022£492,500 | 2 Bed Flat32, Elizabeth Square, London, SE16 5XN32, Elizabeth Square, London, SE16 5XN
• Sold Jul 2022£360,000 | 2 Bed Flat13, Edward Square, London, SE16 5EE13, Edward Square, London, SE16 5EE
• Sold Jun 2022£422,500 | 2 Bed Flat10, Edward Square, London, SE16 5EE10, Edward Square, London, SE16 5EE
• Sold May 2022£470,000 | 2 Bed Flat1, Helena Square, London, SE16 5XP1, Helena Square, London, SE16 5XP
• Sold Jan 2022£320,000 | 2 Bed Flat11, Sophia Square, London, SE16 5XL11, Sophia Square, London, SE16 5XL
• Sold Jun 2021£455,000 | 2 Bed Flat33, Sophia Square, London, SE16 5XL33, Sophia Square, London, SE16 5XL
• Sold Apr 2021£420,000 | 2 Bed Flat3, William Square, London, SE16 5XJ3, William Square, London, SE16 5XJ
• Sold Oct 2020£470,000 | 2 Bed Flat4, Helena Square, London, SE16 5XP4, Helena Square, London, SE16 5XP
• Sold Sep 2020£435,000 | 2 Bed Flat39, William Square, London, SE16 5XJ39, William Square, London, SE16 5XJ
• Sold Jun 2020£400,000 | 2 Bed Flat31, Edward Square, London, SE16 5EE31, Edward Square, London, SE16 5EE
• Sold Feb 2020£440,000 | 2 Bed Flat32, Sophia Square, London, SE16 5XL32, Sophia Square, London, SE16 5XL
• Sold Nov 2017£340,000 | 2 Bed Flat14, William Square, London, SE16 5XJ14, William Square, London, SE16 5XJ

William Square, London, SE16 has a total of 39 addresses. According to our analysis of all the public data, 31, William Square is the 26th largest and the 26th most expensive property on the street.

When compared to the postcode district it is £97k less expensive than the average property in SE16.

• Peter Hills with St Mary's and St Paul's CofE Primary School

  300 m away
• Redriff Primary, City of London Academy

  600 m away
• Cyril Jackson Primary School

  700 m away

• Bacon's College

  600 m away
• Stepney All Saints Church of England Secondary School

  1.1 km away
• Bishop Challoner Catholic School

  1.2 km away

• Limehouse

  |

  600 m away
• Westferry

  |

  800 m away
• West India Quay

  |

  1.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.