4, Heol Islwyn
4, Heol Islwyn
Description & Estimates







4, Heol Islwyn, Swansea is recorded publicly as a mid-century freehold house across 904 ft2 of internal area, sitting on a 253 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 4, Heol Islwyn, Swansea is £221,591 and its rental estimate is £1,190 per month, given the available information and assuming reasonable condition.
Heol Islwyn, Gorseinon, Swansea, SA4 falls within the SA4 postal district.
Our Data Sources
4, Heol Islwyn, Swansea has 21 entries in the Land Registry , most recently in April 2008 and a single entry in the EPC database dated March 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 4, Heol Islwyn, Swansea, we estimate a market value of £232,670 and a rental value of £1,250 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £206,079 and £1,107 per month respectively.
Recent Market Change
Over the last year, 4, Heol Islwyn, Swansea has seen its estimated sale value increase by £5,807 (2.6%) and its estimated rental value grow by £48 per month (4.0%). This results in an estimated gross rental yield of 6.4%.
Plot Size
HM Land Registry records the plot of land for 4, Heol Islwyn, Swansea as measuring 253 m2.
That makes it the 11th largest plot in the postcode, where 23 of the 28 other houses have recorded plot data.
Energy Efficiency
4, Heol Islwyn, Swansea has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Mar 2014.
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
The most recent sale of 4, Heol Islwyn, Swansea completed on 15th April 2008 at £112,000 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 48.2% over the period since April 2008.
- Sold Apr 2008£112,000
- Sold Jun 2001£45,500
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 4, Heol Islwyn, Swansea have sold within a radius of 900 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th April 2025, was 7, Heol Nantlais, Swansea, SA4 4LS, a freehold house which sold for £180,000.
Read more about house prices in SA4.
- Sold Apr 2025£180,000 | 3 Bed House7, Heol Nantlais, Swansea, SA4 4LS7, Heol Nantlais, Swansea, SA4 4LS
- Sold Nov 2024£193,000 | 3 Bed House11, Clos Vernon Watkins, Swansea, SA4 4DH11, Clos Vernon Watkins, Swansea, SA4 4DH
- Sold Apr 2024£195,000 | 3 Bed House27, Heol Dylan, Swansea, SA4 4LR27, Heol Dylan, Swansea, SA4 4LR
•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, 4, Heol Islwyn, Swansea comes out as the 5th largest and the 3rd most expensive in our analysis of the public data.
It is also £10k less expensive than the average property across the SA4 district.
More reading links
Schools Nearby
Public Transport Nearby
From 4, Heol Islwyn, Swansea, the nearest station is Llangennech, 2.8 kilometres away.
- 2.8kmLlangennech
- 3.4kmGowerton
- 3.8kmBynea
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.

