Our Data Sources
9, Castle Avenue, Swansea has no records in the the Land Registry and a single entry in the EPC database dated October 2009.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 9, Castle Avenue, Swansea, we estimate a market value of £604,906 and a rental value of £2,332 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £535,774 and £2,065 per month respectively.
Plot Size
HM Land Registry records the plot of land for 9, Castle Avenue, Swansea as measuring 337 m2.
That makes it the 5th largest plot in the postcode, where 15 of the 16 other houses have recorded plot data.
Energy Efficiency
9, Castle Avenue, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2009.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 49 properties similar to 9, Castle Avenue, Swansea have sold within a radius of 740 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th June 2025, was 14, Castle Avenue, Swansea, SA3 4BA, a freehold house which sold for £290,000.
Read more about house prices in SA3.
- Sold Jun 2025£290,000 | 3 Bed House14, Castle Avenue, Swansea, SA3 4BA14, Castle Avenue, Swansea, SA3 4BA
- Sold Feb 2023£525,000 | 3 Bed House10, Castle Avenue, Swansea, SA3 4BA10, Castle Avenue, Swansea, SA3 4BA
- Sold Mar 2020£510,000 | 4 Bed House8, Castle Avenue, Swansea, SA3 4BA8, Castle Avenue, Swansea, SA3 4BA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 16 addresses on Castle Avenue, Mumbles, Swansea, SA3, 9, Castle Avenue, Swansea comes out as the 10th largest and the 10th most expensive in our analysis of the public data.
It is also £208k more expensive than the average property across the SA3 district.
More reading links
Schools Nearby
Public Transport Nearby
- Swansea|6.8 km away
- Gowerton|8.4 km away
- Llansamlet|12.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
