45, William Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Aug 2019.

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

According to HM Land Registry, 45, William Square was last sold on 26th April 2002 for £230,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

• Sold Apr 2002£230,000
• Sold Jul 1999£139,500

According to the Land Registry and our network of Estate Agents, there have been 167 sales of properties similar to 45, William Square within a radius of 380 metres since 2020.

The most recent example is 21, William Square, London, SE16 5XJ, a leasehold flat which sold for £425,000 on the 13th February 2026.

Read more about house prices in SE16.

• Sold Feb 2026£425,000 | 2 Bed Flat21, William Square, London, SE16 5XJ21, William Square, London, SE16 5XJ
• Sold May 2025£332,500 | 2 Bed Flat4, Sophia Square, London, SE16 5XL4, Sophia Square, London, SE16 5XL
• Sold Jan 2025£328,000 | 2 Bed Flat31, William Square, London, SE16 5XJ31, William Square, London, SE16 5XJ
• Sold Aug 2024£465,000 | 2 Bed Flat9, Sophia Square, London, SE16 5XL9, Sophia Square, London, SE16 5XL
• Sold May 2024£467,500 | 2 Bed Flat1, Sophia Square, London, SE16 5XL1, Sophia Square, London, SE16 5XL
• Sold Mar 2024£375,000 | 2 Bed Flat26, Helena Square, London, SE16 5XP26, Helena Square, London, SE16 5XP
• 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 May 2022£475,000 | 2 Bed Flat33, Helena Square, London, SE16 5XP33, 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 Feb 2020£440,000 | 2 Bed Flat32, Sophia Square, London, SE16 5XL32, Sophia Square, London, SE16 5XL

William Square, London, SE16 has a total of 39 addresses. According to our analysis of all the public data, 45, William Square is the 23rd largest and the 23rd most expensive property on the street.

When compared to the postcode district it is £84k 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.