Our Data Sources
21, Heol Trefor, Swansea has no records in the the Land Registry and a single entry in the EPC database dated July 2013.
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
In very good condition, we estimate 21, Heol Trefor, Swansea would be worth £132,164, with a potential rental value of £879 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £117,060, with a rental value of £779 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Heol Trefor, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Jul 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 82 sales of comparable properties within 710 metres of 21, Heol Trefor, Swansea across the last 2 years.
Most recently, 71, Heol Cadifor, Swansea, SA5 9AJ, a freehold house, sold at £145,000 on the 19th February 2025.
Read more about house prices in SA5.
- Sold Feb 2025£145,000 | 3 Bed House71, Heol Cadifor, Swansea, SA5 9AJ71, Heol Cadifor, Swansea, SA5 9AJ
- Sold Oct 2024£130,000 | 3 Bed House28, Heol Cadifor, Swansea, SA5 9AF28, Heol Cadifor, Swansea, SA5 9AF
- Sold Jul 2024£118,300 | 3 Bed House14, Penderry Road, Swansea, SA5 7EA14, Penderry Road, Swansea, SA5 7EA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Heol Trefor, Swansea as the 42nd largest and the 54th most expensive of the 64 addresses on Heol Trefor, Penlan, Swansea, SA5.
Against the SA5 postcode district average, it is £97k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Swansea|3.3 km away
- Llansamlet|5.0 km away
- Gowerton|5.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












