Heol Islwyn - SA4 4LJ
Key Street Insights
Heol Islwyn is a residential street with 28 addresses.
It ranks as the 693rd largest and 199th most expensive of the 1,076 streets in the SA4 area. The most common property type is a mid-century house built between 1936 and 1979.
The street contains a total of 28 properties: 28 houses.
- Ave. Sale Price
- £186,515
- 10 Year change
- up 70.0%
- Ave. Rental Price
- £1,096pcm
- 10 Year change
- up 70.3%
- Ave. £ per ft²
- £205/ft²
- Ave. Gross Yield
- 7.1%/year/yr
Key Street Insights
Heol Islwyn is a residential street with 28 addresses.
It ranks as the 693rd largest and 199th most expensive of the 1,076 streets in the SA4 area. The most common property type is a mid-century house built between 1936 and 1979.
The street contains a total of 28 properties: 28 houses.
- Ave. Sale Price
- £186,515
- 10 Year change
- up 70.0%
- Ave. Rental Price
- £1,096pcm
- 10 Year change
- up 70.3%
- Ave. £ per ft²
- £205/ft²
- Ave. Gross Yield
- 7.1%/year/yr
Explore Propertieson Heol Islwyn, Gorseinon, Swansea, SA4
- 1 Heol Islwyn
House
- 2 Heol Islwyn
House
- 3 Heol Islwyn
3 Bed Mid-century House
- 4 Heol Islwyn
3 Bed Mid-century House
- 5 Heol Islwyn
3 Bed Mid-century House
Sales Market Trends
The last sale on Heol Islwyn sold for £142,000 on 10th October 2025. Since then prices are up an average of 1.5%.
The current average value in the street is £186,515.
The Heol Islwyn Sales Market has increased by 70.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.6% | £186,515 |
| June 2025 | 4.7% | £181,778 |
| June 2024 | 4.8% | £173,695 |
| June 2023 | 1.1% | £165,709 |
| June 2022 | 11.4% | £163,919 |
| June 2021 | 13.8% | £147,191 |
| June 2020 | 7.6% | £129,339 |
| June 2019 | -1% | £120,151 |
| June 2018 | 11.4% | £121,422 |
| June 2017 | -0.6% | £109,043 |
| June 2016 | 1.3% | £109,695 |
| June 2015 | 2.5% | £108,269 |
| June 2014 | 2.6% | £105,594 |
| June 2013 | 0.3% | £102,870 |
| June 2012 | -3.1% | £102,530 |
| June 2011 | -2.1% | £105,769 |
| June 2010 | 6.1% | £108,079 |
| June 2009 | -12.5% | £101,879 |
| June 2008 | -2.2% | £116,402 |
| June 2007 | 0% | £119,074 |
Rental Market Trends
The current average rental value in the street is £1,096.
The Heol Islwyn Rental Market has increased by 70.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.4% | £1,096pcm |
| June 2025 | 4.7% | £1,060pcm |
| June 2024 | 6.6% | £1,012pcm |
| June 2023 | 6.8% | £950pcm |
| June 2022 | 15% | £890pcm |
| June 2021 | 9.5% | £774pcm |
| June 2020 | 1.3% | £707pcm |
| June 2019 | 3.3% | £698pcm |
| June 2018 | 1.1% | £675pcm |
| June 2017 | 3.8% | £668pcm |
| June 2016 | 3.1% | £643pcm |
| June 2015 | 0.9% | £624pcm |
| June 2014 | 1.6% | £618pcm |
| June 2013 | 0.3% | £608pcm |
| June 2012 | 1.4% | £607pcm |
| June 2011 | -0.7% | £598pcm |
| June 2010 | 3.2% | £603pcm |
| June 2009 | -6.2% | £584pcm |
| June 2008 | 3.2% | £622pcm |
| June 2007 | 0% | £603pcm |
Sales History
The last sale was on 10th October 2025 for £142,000 and since then the market in the area has increased by 1.5%. The street has had a total of 57 sales since 1995.
Heol Islwyn, Gorseinon, Swansea, SA4 has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Oct 2025£142,000 | 3 Bed House13, Heol Islwyn, Swansea, SA4 4LJ13, Heol Islwyn, Swansea, SA4 4LJ
- 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 Dec 2021£134,000 | 3 Bed House7, Heol Islwyn, Swansea, SA4 4LJ7, Heol Islwyn, Swansea, SA4 4LJ
- Sold Jul 2021£104,950 | 3 Bed House11, Heol Islwyn, Swansea, SA4 4LJ11, Heol Islwyn, Swansea, SA4 4LJ
Top 3 Most Expensive Sales
- Sold Jun 2021£175,000 | 3 Bed House41, Heol Islwyn, Swansea, SA4 4LJ41, Heol Islwyn, Swansea, SA4 4LJ
- Sold Nov 2024£165,000 | 3 Bed House25, Heol Islwyn, Swansea, SA4 4LJ25, Heol Islwyn, Swansea, SA4 4LJ
- Sold Apr 2011£148,000 | 3 Bed House8, Heol Islwyn, Swansea, SA4 4LJ8, Heol Islwyn, Swansea, SA4 4LJ
Nearby Streets
Heol Islwyn, Gorseinon, Swansea, SA4 is the 693rd largest and the 199th most expensive street in the SA4 area.
- Heol Elfed, Gorseinon, Swansea, SA414 Addresses|46 m away
- Westgrove Court, Gorseinon, Swansea, SA413 Addresses|104 m away
- Heol Dyfed, Gorseinon, Swansea, SA412 Addresses|112 m away
- Heol Gwili, Gorseinon, Swansea, SA424 Addresses|132 m away
- Ffordd Morgan, Gorseinon, Swansea, SA444 Addresses|155 m away
- Heol Crwys, Gorseinon, Swansea, SA416 Addresses|160 m away
Property Types
- 6 modern houses built after 1980
- 11 mid-century houses built between 1936 and 1979
- 3 houses of an unknown age
- 8 other addresses of unknown type
- modern house (6)
- mid-century house (11)
- house (3)
- Unknown (8)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 17 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (8)
- G (0)
- D (8)
- No EPC (11)
Schools Nearby
Public Transport Nearby
The closest station to Heol Islwyn, Gorseinon, Swansea, SA4 - SA4 4LJ is Llangennech station, which is 2.8 kilometres away.
- Llangennech|2.8 km away
- Gowerton|3.4 km away
- Bynea|3.8 km away
