Our Data Sources
21, Heol Islwyn, Swansea has no recent1 records in the the Land Registry and a single entry in the EPC database dated June 2020.
We combine this information with public data 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
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 21, Heol Islwyn, Swansea is in very good condition we estimate a sale value of £158,593 and a rental value of £1,060 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £140,468 and a rental value of £939 per month.
Plot Size
According to data from HM Land Registry, 21, Heol Islwyn, Swansea sits on a plot of 122 m2.
We have plot size data on 23 out of 28 other houses in the postcode and 21, Heol Islwyn, Swansea sits on the 21st largest plot.
Energy Efficiency
21, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jun 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 21, Heol Islwyn, Swansea was last sold on 8th July 2003 for £57,999 and was recorded as a freehold house.
The property has had 3 sales since 1995.
- Sold Jul 2003£57,999
- Sold Mar 1999£35,100
- Sold Mar 1997£37,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Heol Islwyn, Swansea within a radius of 910 metres over the last 2 years.
The most recent example is 17, Heol Islwyn, Swansea, SA4 4LJ, a freehold house which sold for £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 Nov 2024£165,000 | 3 Bed House25, Heol Islwyn, Swansea, SA4 4LJ25, Heol Islwyn, Swansea, SA4 4LJ
- Sold Jan 2021£108,000 | 3 Bed House27, Heol Islwyn, Swansea, SA4 4LJ27, Heol Islwyn, Swansea, SA4 4LJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Heol Islwyn, Gorseinon, Swansea, SA4 has a total of 28 addresses. According to our analysis of all the public data, 21, Heol Islwyn, Swansea is the 18th largest and the 19th most expensive property on the street.
When compared to the postcode district it is £81k less expensive than the average property in SA4.
More reading links
Schools Nearby
Public Transport Nearby
- 2.8kmLlangennech
- 3.4kmGowerton
- 3.8kmBynea
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast 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.
