19, William Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Sep 2018.

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

The most recent sale of 19, William Square completed on 2nd August 2021 at £335,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 15.8% over the period since August 2021.

• Sold Aug 2021£335,000

Since 2016 89 properties similar to 19, William Square have sold within a radius of 400 metres, per the Land Registry and our network of Estate Agents.

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

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 Mar 2026£350,000 | 1 Bed Flat484, Rotherhithe Street, London, SE16 5EG484, Rotherhithe Street, London, SE16 5EG
• Sold Nov 2025£320,000 | 1 Bed Flat22, Elizabeth Square, London, SE16 5XN22, Elizabeth Square, London, SE16 5XN
• Sold Mar 2025£360,000 | 1 Bed Flat482, Rotherhithe Street, London, SE16 5EG482, Rotherhithe Street, London, SE16 5EG
• Sold Mar 2025£326,250 | 1 Bed Flat10, Frederick Square, London, SE16 5XR10, Frederick Square, London, SE16 5XR
• Sold Apr 2024£292,500 | 1 Bed Flat74, Bywater Place, London, SE16 5NE74, Bywater Place, London, SE16 5NE
• Sold Apr 2024£310,000 | 1 Bed FlatFlat 20, 40, Horseferry Road, London, E14 8DFFlat 20, 40, Horseferry Road, London, E14 8DF
• Sold Mar 2024£305,000 | 1 Bed FlatFlat 16, 40, Horseferry Road, London, E14 8DFFlat 16, 40, Horseferry Road, London, E14 8DF
• Sold Sep 2023£317,500 | 1 Bed Flat36, Frederick Square, London, SE16 5XR36, Frederick Square, London, SE16 5XR
• Sold Jul 2023£330,000 | 1 Bed Flat31, Frederick Square, London, SE16 5XR31, Frederick Square, London, SE16 5XR
• Sold Apr 2023£315,000 | 2 Bed Flat13, William Square, London, SE16 5XJ13, William Square, London, SE16 5XJ
• Sold Mar 2023£320,000 | 1 Bed FlatApartment 24, 392, Rotherhithe Street, London, SE16 5DSApartment 24, 392, Rotherhithe Street, London, SE16 5DS
• Sold Sep 2022£325,000 | 1 Bed Flat22, Helena Square, London, SE16 5XP22, Helena Square, London, SE16 5XP
• Sold Jun 2022£422,500 | 2 Bed Flat10, Edward Square, London, SE16 5EE10, Edward Square, London, SE16 5EE
• Sold Oct 2020£350,000 | 1 Bed Flat45, Bywater Place, London, SE16 5NE45, Bywater Place, London, SE16 5NE
• Sold Jul 2020£315,000 | 1 Bed Flat19, Helena Square, London, SE16 5XP19, Helena Square, London, SE16 5XP
• Sold Mar 2020£360,000 | 1 Bed Flat10, Elizabeth Square, London, SE16 5XN10, Elizabeth Square, London, SE16 5XN
• Sold Jul 2019£355,000 | 1 Bed Flat35, William Square, London, SE16 5XJ35, William Square, London, SE16 5XJ
• Sold Oct 2018£325,000 | 1 Bed Flat10, Helena Square, London, SE16 5XP10, Helena Square, London, SE16 5XP
• Sold Apr 2016£340,000 | 1 Bed Flat488, Rotherhithe Street, London, SE16 5EG488, Rotherhithe Street, London, SE16 5EG

Of the 39 addresses on William Square, London, SE16, 19, William Square comes out as the 35th largest and the 35th most expensive in our analysis of the public data.

It is also £144k less expensive than the average property across the SE16 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.