Our Data Sources
42, William Street, Swansea has 21 entries in the Land Registry , most recently in December 2009 and a single entry in the EPC database dated August 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
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 42, William Street, Swansea is in very good condition we estimate a sale value of £204,763 and a rental value of £875 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £181,361 and a rental value of £775 per month.
Plot Size
According to data from HM Land Registry, 42, William Street, Swansea sits on a plot of 77 m2.
We have plot size data on 30 out of 32 other houses in the postcode and 42, William Street, Swansea sits on the 28th largest plot.
Energy Efficiency
42, William Street, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Aug 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 42, William Street, Swansea was last sold on 18th December 2009 for £122,500 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since December 2009, the market for similar properties has risen by 22.0%.
- Sold Dec 2009£122,500
- Sold Oct 2006£155,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 158 sales of properties similar to 42, William Street, Swansea within a radius of 460 metres over the last 2 years.
The most recent example is 56, Argyle Street, Swansea, SA1 3TB, a freehold house which sold for £210,000 on the 29th January 2026.
Read more about house prices in SA1.
- Sold Jan 2026£210,000 | 3 Bed House56, Argyle Street, Swansea, SA1 3TB56, Argyle Street, Swansea, SA1 3TB
- Sold Jul 2024£175,000 | 4 Bed House41, Glamorgan Street, Swansea, SA1 3SY41, Glamorgan Street, Swansea, SA1 3SY
- Sold Mar 2023£146,000 | 4 Bed House27, Glamorgan Street, Swansea, SA1 3SY27, Glamorgan Street, Swansea, SA1 3SY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
William Street, Swansea, SA1 has a total of 62 addresses. According to our analysis of all the public data, 42, William Street, Swansea is the 3rd largest and the 3rd most expensive property on the street.
When compared to the postcode district it is £44k more expensive than the average property in SA1.
More reading links
Schools Nearby
Public Transport Nearby
- Swansea|1.1 km away
- Llansamlet|6.7 km away
- Gowerton|7.0 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
