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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
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According to the public record, 21, William Square is a modern leasehold apartment with 678 ft2 of internal area.
Apartments of this size in this area normally have 2 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for 21, William Square is £404,406 and the estimated rental value is £2,202 per month.
William Square, London, SE16 is located in the borough of Southwark within the SE16 postal district.
21, William Square has 31 entries in the Land Registry , most recently in February 2026 and a single entry in the EPC database dated October 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, William Square is in very good condition we estimate a sale value of £424,627 and a rental value of £2,312 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £376,098 and a rental value of £2,048 per month.
Over the last 12 months the sale value of 21 William Square has decreased by an estimated £15,331 (3.8%) and its rental value has increased by an estimated £120 per month (5.4%), giving an expected gross yield of 6.5%.
21, William Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Oct 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 21, William Square was last sold on 13th February 2026 for £425,000 and was recorded as a leasehold flat.
The property has had 3 sales since 1995.
Since February 2026, the market for similar properties has dropped 13.5%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, William Square within a radius of 400 metres over the last 2 years.
The most recent example is 4, Sophia Square, London, SE16 5XL, a leasehold flat which sold for £332,500 on the 2nd May 2025.
Read more about house prices in SE16.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
William Square, London, SE16 has a total of 39 addresses. According to our analysis of all the public data, 21, William Square is the 17th largest and the 17th most expensive property on the street.
When compared to the postcode district it is £48k less expensive than the average property in SE16.
The nearest school is Peter Hills with St Mary's and St Paul's CofE Primary School which is 300 metres away. The nearest train station is Limehouse which is 600 metres away.
Please login for all schools and rail links, broadband speeds, floodrisk and area demographics information including levels of education, home ownership and more.
