Our Data Sources
31, Heol Islwyn, Swansea has 21 entries in the Land Registry , most recently in March 2016 and a single entry in the EPC database dated September 2012.
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
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 31, Heol Islwyn, Swansea is in very good condition we estimate a sale value of £250,296 and a rental value of £1,250 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £221,691 and a rental value of £1,107 per month.
Plot Size
According to data from HM Land Registry, 31, Heol Islwyn, Swansea sits on a plot of 197 m2.
We have plot size data on 50 out of 50 other houses in the postcode and 31, Heol Islwyn, Swansea sits on the 44th largest plot.
Energy Efficiency
31, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Sep 2012.
The property is not 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, 31, Heol Islwyn, Swansea was last sold on 23rd March 2016 for £150,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since March 2016, the market for similar properties has risen by 169.4%.
- Sold Mar 2016£150,000
- Sold Sep 2006£159,995
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 76 sales of properties similar to 31, Heol Islwyn, Swansea within a radius of 1.3 kilometres over the last 2 years.
The most recent example is 27, Gelli Deg, Swansea, SA5 4PB, a freehold house which sold for £265,000 on the 18th December 2025.
Read more about house prices in SA5.
- Sold Dec 2025£265,000 | 3 Bed House27, Gelli Deg, Swansea, SA5 4PB27, Gelli Deg, Swansea, SA5 4PB
- Sold Jul 2023£205,000 | 3 Bed House10, Heol Islwyn, Swansea, SA5 4NZ10, Heol Islwyn, Swansea, SA5 4NZ
- Sold Apr 2022£249,995 | 3 Bed House35, Heol Islwyn, Swansea, SA5 4NZ35, Heol Islwyn, Swansea, SA5 4NZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Heol Islwyn, Fforestfach, Swansea, SA5 has a total of 50 addresses. According to our analysis of all the public data, 31, Heol Islwyn, Swansea is the 41st largest and the 41st most expensive property on the street.
When compared to the postcode district it is £16k more expensive than the average property in SA5.
More reading links
Schools Nearby
Public Transport Nearby
- Gowerton|2.8 km away
- Swansea|4.8 km away
- Llangennech|7.2 km away
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.
