Our Data Sources
3, Heol Islwyn, Swansea has 31 entries in the Land Registry , most recently in January 2010 and a single entry in the EPC database dated March 2025.
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 3, Heol Islwyn, Swansea would be worth £156,329, with a potential rental value of £1,050 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £138,463, with a rental value of £930 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
3, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
3, Heol Islwyn, Swansea last changed hands on 8th January 2010, selling for £100,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 68.0% since January 2010.
- Sold Jan 2010£100,000
- Sold May 2000£33,000
- Sold Mar 1997£34,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 880 metres of 3, Heol Islwyn, Swansea across the last 2 years.
Most recently, 13, Heol Islwyn, Swansea, SA4 4LJ, a freehold house, sold at £142,000 on the 10th October 2025.
Read more about house prices in SA4.
- Sold Oct 2025£142,000 | 3 Bed House13, Heol Islwyn, Swansea, SA4 4LJ13, 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.
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Location Comparison
Our analysis of the public data ranks 3, Heol Islwyn, Swansea as the 25th largest and the 24th most expensive of the 28 addresses on Heol Islwyn, Gorseinon, Swansea, SA4.
Against the SA4 postcode district average, it is £83k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 2.8kmLlangennech
- 3.4kmGowerton
- 3.8kmBynea
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.












