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According to the public record, 1, William Square is a modern leasehold apartment with 764 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 1, William Square is £436,004 and the estimated rental value is £2,338 per month.
William Square, London, SE16 is located in the borough of Southwark within the SE16 postal district.
1, William Square has 31 entries in the Land Registry , most recently in January 2015 and a single entry in the EPC database dated September 2014.
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 1, William Square is in very good condition we estimate a sale value of £457,804 and a rental value of £2,455 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £405,484 and a rental value of £2,175 per month.
Over the last 12 months the sale value of 1 William Square has decreased by an estimated £16,529 (3.8%) and its rental value has increased by an estimated £127 per month (5.4%), giving an expected gross yield of 6.4%.
1, William Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Sep 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 1, William Square was last sold on 7th January 2015 for £470,000 and was recorded as a leasehold flat.
The property has had 3 sales since 1995.
Since January 2015, the market for similar properties has dropped 16.5%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 1, William Square within a radius of 390 metres over the last 2 years.
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.
•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, 1, William Square is the 9th largest and the 9th most expensive property on the street.
When compared to the postcode district it is £17k 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.
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