Our Data Sources
19, Heol Islwyn, Swansea has 21 entries in the Land Registry , most recently in February 2024 and a single entry in the EPC database dated October 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 19, Heol Islwyn, Swansea, we estimate a market value of £275,603 and a rental value of £1,269 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £244,105 and £1,124 per month respectively.
Plot Size
HM Land Registry records the plot of land for 19, Heol Islwyn, Swansea as measuring 384 m2.
That makes it the 7th largest plot in the postcode, where all 50 other houses have recorded plot data.
Energy Efficiency
19, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Oct 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 19, Heol Islwyn, Swansea completed on 12th February 2024 at £250,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 80.3% over the period since February 2024.
- Sold Feb 2024£250,000
- Sold Dec 2006£169,995
Similar Properties Sold Nearby
Over the past 2 years 49 properties similar to 19, Heol Islwyn, Swansea have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th November 2025, was 35, Heol Iscoed, Swansea, SA5 4NG, a freehold house which sold for £265,000.
Read more about house prices in SA5.
- Sold Nov 2025£265,000 | 3 Bed House35, Heol Iscoed, Swansea, SA5 4NG35, Heol Iscoed, Swansea, SA5 4NG
- Sold Nov 2025£280,000 | 3 Bed House1, Heol Iscoed, Swansea, SA5 4NG1, Heol Iscoed, Swansea, SA5 4NG
- Sold Jul 2023£205,000 | 3 Bed House10, Heol Islwyn, Swansea, SA5 4NZ10, Heol Islwyn, Swansea, SA5 4NZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 50 addresses on Heol Islwyn, Fforestfach, Swansea, SA5, 19, Heol Islwyn, Swansea comes out as the 43rd largest and the 30th most expensive in our analysis of the public data.
It is also £40k more expensive than the average property across the SA5 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












