Our Data Sources
13, Heol Islwyn, Swansea has 51 entries in the Land Registry , most recently in October 2025 and a single entry in the EPC database dated January 2024.
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.
Price Range & Condition
In very good condition, we estimate 13, Heol Islwyn, Swansea would be worth £159,107, with a potential rental value of £1,061 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £140,923, with a rental value of £940 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
13, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Jan 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
13, Heol Islwyn, Swansea last changed hands on 10th October 2025, selling for £142,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 5 times since 1995.
The market for similar properties has dropped by 4.6% since October 2025.
- Sold Oct 2025£142,000
- Sold Jul 2015£84,000
- Sold Dec 2006£67,900
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 41 sales of comparable properties within 900 metres of 13, Heol Islwyn, Swansea across the last 2 years.
Most recently, 17, Heol Islwyn, Swansea, SA4 4LJ, a freehold house, sold at £140,000 on the 21st March 2025.
Read more about house prices in SA4.
- Sold Mar 2025£140,000 | 3 Bed House17, Heol Islwyn, Swansea, SA4 4LJ17, Heol Islwyn, Swansea, SA4 4LJ
- Sold Jul 2021£104,950 | 3 Bed House11, Heol Islwyn, Swansea, SA4 4LJ11, Heol Islwyn, Swansea, SA4 4LJ
- Sold Dec 2019£103,000 | 3 Bed House29, Heol Islwyn, Swansea, SA4 4LJ29, Heol Islwyn, Swansea, SA4 4LJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 13, Heol Islwyn, Swansea as the 20th largest and the 21st most expensive of the 28 addresses on Heol Islwyn, Gorseinon, Swansea, SA4.
Against the SA4 postcode district average, it is £81k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llangennech|2.8 km away
- Gowerton|3.4 km away
- Bynea|3.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
