Our Data Sources
17, Heol Islwyn, Swansea has 31 entries in the Land Registry , most recently in March 2025 and a single entry in the EPC database dated November 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
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 17, Heol Islwyn, Swansea, we estimate a market value of £163,388 and a rental value of £1,087 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £144,715 and £962 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Heol Islwyn, Swansea as measuring 174 m2.
That makes it the 17th largest plot in the postcode, where 23 of the 28 other houses have recorded plot data.
Energy Efficiency
17, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Nov 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
The most recent sale of 17, Heol Islwyn, Swansea completed on 21st March 2025 at £140,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 1.9% over the period since March 2025.
- Sold Mar 2025£140,000
- Sold May 2010£91,000
- Sold Nov 2002£51,250
Similar Properties Sold Nearby
Over the past 2 years 50 properties similar to 17, Heol Islwyn, Swansea have sold within a radius of 910 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th November 2024, was 25, Heol Islwyn, Swansea, SA4 4LJ, a freehold house which sold for £165,000.
Read more about house prices in SA4.
- Sold Nov 2024£165,000 | 3 Bed House25, Heol Islwyn, Swansea, SA4 4LJ25, Heol Islwyn, Swansea, SA4 4LJ
- Sold Jul 2020£85,000 | 3 Bed House21, Heol Islwyn, Swansea, SA4 4LJ21, Heol Islwyn, Swansea, SA4 4LJ
- Sold Sep 2019£98,000 | 3 Bed House19, Heol Islwyn, Swansea, SA4 4LJ19, Heol Islwyn, Swansea, SA4 4LJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 28 addresses on Heol Islwyn, Gorseinon, Swansea, SA4, 17, Heol Islwyn, Swansea comes out as the 15th largest and the 15th most expensive in our analysis of the public data.
It is also £77k less expensive than the average property across the SA4 district.
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
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.
