Our Data Sources
20, Castle Road, Swansea has no recent1 records in either the Land Registry or EPC database.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 20, Castle Road, Swansea is in very good condition we estimate a sale value of £480,026 and a rental value of £2,006 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £425,166 and a rental value of £1,776 per month.
Plot Size
According to data from HM Land Registry, 20, Castle Road, Swansea sits on a plot of 1,034 m2.
We have plot size data on 35 out of 38 other houses in the postcode and 20, Castle Road, Swansea sits on the largest plot.
Energy Efficiency
20, Castle Road, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Sep 2020.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 20, Castle Road, Swansea was last sold on 12th January 2022 for £520,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since January 2022, the market for similar properties has risen by 11.6%.
- Sold Jan 2022£520,000
- Sold Sep 1996£80,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 20, Castle Road, Swansea within a radius of 730 metres over the last 2 years.
The most recent example is 444, Mumbles Road, Swansea, SA3 4BY, a freehold house which sold for £480,000 on the 17th September 2025.
Read more about house prices in SA3.
- Sold Sep 2025£480,000 | 4 Bed House444, Mumbles Road, Swansea, SA3 4BY444, Mumbles Road, Swansea, SA3 4BY
- Sold Aug 2025£240,000 | 4 Bed House456, Mumbles Road, Swansea, SA3 4BY456, Mumbles Road, Swansea, SA3 4BY
- Sold Sep 2021£480,000 | 4 Bed House24, Glen Road, Swansea, SA3 5PR24, Glen Road, Swansea, SA3 5PR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Castle Road, Mumbles, Swansea, SA3 has a total of 69 addresses. According to our analysis of all the public data, 20, Castle Road, Swansea is the 5th largest and the 11th most expensive property on the street.
When compared to the postcode district it is £90k more expensive than the average property in SA3.
More reading links
Schools Nearby
Public Transport Nearby
- 6.7kmSwansea
- 8.0kmGowerton
- 12.2kmBynea
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.












