9, William Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2020.

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

9, William Square last changed hands on 28th February 2006, selling for £270,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

• Sold Feb 2006£270,000
• Sold Aug 1995£147,995

Land Registry records and our Estate Agent network show 199 sales of comparable properties within 390 metres of 9, William Square since 2016.

Most recently, 4, Admiral Place, London, SE16 5NY, a leasehold flat, sold at £475,000 on the 30th March 2026.

Read more about house prices in SE16.

• Sold Mar 2026£475,000 | 3 Bed Flat4, Admiral Place, London, SE16 5NY4, Admiral Place, London, SE16 5NY
• Sold Oct 2025£465,000 | 2 Bed Flat22, Admiral Place, London, SE16 5NY22, Admiral Place, London, SE16 5NY
• Sold Jul 2025£600,000 | 3 Bed Flat18, Edward Square, London, SE16 5EE18, Edward Square, London, SE16 5EE
• Sold Mar 2025£525,000 | 3 Bed FlatApartment 17, 392, Rotherhithe Street, London, SE16 5DSApartment 17, 392, Rotherhithe Street, London, SE16 5DS
• Sold Mar 2025£510,000 | 2 Bed FlatFlat 27, Lockview Court 67, Narrow Street, London, E14 8ENFlat 27, Lockview Court 67, Narrow Street, London, E14 8EN
• Sold Feb 2025£495,000 | 2 Bed FlatFlat 32, Lockview Court 67, Narrow Street, London, E14 8ENFlat 32, Lockview Court 67, Narrow Street, London, E14 8EN
• Sold Jan 2025£485,000 | 2 Bed FlatFlat 18, Lockview Court 67, Narrow Street, London, E14 8ENFlat 18, Lockview Court 67, Narrow Street, London, E14 8EN
• Sold Aug 2024£500,000 | 3 Bed Flat24, Elizabeth Square, London, SE16 5XN24, Elizabeth Square, London, SE16 5XN
• Sold Mar 2024£480,000 | 2 Bed FlatFlat 42, Lamb Court 69, Narrow Street, London, E14 8EJFlat 42, Lamb Court 69, Narrow Street, London, E14 8EJ
• Sold Nov 2023£480,000 | 3 Bed Flat37, William Square, London, SE16 5XJ37, William Square, London, SE16 5XJ
• Sold Aug 2022£500,000 | 3 Bed Flat77, Bywater Place, London, SE16 5NE77, Bywater Place, London, SE16 5NE
• Sold Jul 2022£445,000 | 2 Bed Flat2, Edward Square, London, SE16 5EE2, Edward Square, London, SE16 5EE
• Sold Jun 2022£480,000 | 2 Bed Flat33, Edward Square, London, SE16 5EE33, Edward Square, London, SE16 5EE
• Sold Mar 2022£450,000 | 3 Bed Flat24, Sophia Square, London, SE16 5XL24, Sophia Square, London, SE16 5XL
• Sold Jan 2022£475,000 | 2 Bed Flat24, Admiral Place, London, SE16 5NY24, Admiral Place, London, SE16 5NY
• Sold Apr 2021£500,000 | 2 Bed Flat10, Admiral Place, London, SE16 5NY10, Admiral Place, London, SE16 5NY
• Sold Jan 2021£575,000 | 3 Bed Flat10, William Square, London, SE16 5XJ10, William Square, London, SE16 5XJ
• Sold Jun 2019£475,000 | 2 Bed Flat24, Edward Square, London, SE16 5EE24, Edward Square, London, SE16 5EE
• Sold Oct 2018£540,000 | 2 Bed Flat1, Edward Square, London, SE16 5EE1, Edward Square, London, SE16 5EE
• Sold Jun 2016£500,000 | 2 Bed Flat30, Edward Square, London, SE16 5EE30, Edward Square, London, SE16 5EE

Our analysis of the public data ranks 9, William Square as the 8th largest and the 8th most expensive of the 39 addresses on William Square, London, SE16.

Against the SE16 postcode district average, it is £10k more expensive than the typical property.

• 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

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