| 2 Heol Islwyn, Gorseinon, Swansea | Freehold | 79 m² | £73,000 (2002) |
| 3 Heol Islwyn, Gorseinon, Swansea | Leasehold | 68 m² | £100,000 (2010) |
| 4, Heol Islwyn, Gorseinon, Swansea | Freehold | 84 m² | £112,000 (2008) |
| 5 Heol Islwyn, Gorseinon, Swansea | - | 67 m² | - |
| 8, Heol Islwyn, Gorseinon, Swansea | Freehold | 99 m² | £148,000 (2011) |
| 10, Heol Islwyn, Gorseinon, Swansea | Freehold | 79 m² | £77,000 (2003) |
| 11 Heol Islwyn, Gorseinon, Swansea | Leasehold | 71 m² | £104,950 (2021) |
| 13 Heol Islwyn, Gorseinon, Swansea | Leasehold | 70 m² | £142,000 (2025) |
| 15 Heol Islwyn, Gorseinon, Swansea, Swansea | Leasehold | 68 m² | £30,750 (2001) |
| 17 Heol Islwyn, Gorseinon, Swansea | Freehold | 71 m² | £140,000 (2025) |
| 19 Heol Islwyn, Gorseinon, Swansea | Freehold | 70 m² | £98,000 (2019) |
| 21, Heol Islwyn, Gorseinon, Swansea | Freehold | 70 m² | £85,000 (2020) |
| 25 Heol Islwyn, Gorseinon, Swansea | Freehold | 68 m² | £165,000 (2024) |
| 27 Heol Islwyn, Gorseinon, Swansea, Swansea | Freehold | 69 m² | £108,000 (2021) |
| 29, Heol Islwyn, Gorseinon, Swansea | Freehold | 70 m² | £103,000 (2019) |
| 31, Heol Islwyn, Gorseinon, Swansea | Freehold | 67 m² | £118,000 (2006) |
| 39, Heol Islwyn, Gorseinon, Swansea | Leasehold | 81 m² | £114,000 (2010) |
| 41, Heol Islwyn, Gorseinon, Swansea | Freehold | 80 m² | £175,000 (2021) |