| 1, Spien Road, Penygroes, Llanelli | Freehold | 81 m² | £78,500 (2018) |
| 1A Spien Road, Penygroes, Llanelli | - | 59 m² | - |
| 1B Spien Road, Penygroes, Llanelli | - | 60 m² | - |
| 1C Spien Road, Penygroes, Llanelli | - | 57 m² | - |
| 2 Spien Road, Penygroes, Llanelli | - | 85 m² | - |
| 3, Spien Road, Penygroes, Llanelli | Freehold | 84 m² | £60,000 (2017) |
| 5 Spien Road, Penygroes, Llanelli | - | 77 m² | - |
| 7 Spien Road, Penygroes, Llanelli | - | 82 m² | - |
| 8 Spien Road, Penygroes, Llanelli | - | 85 m² | - |
| 10, Spien Road, Penygroes, Llanelli | Freehold | 80 m² | £77,500 (2016) |
| 12 Spien Road, Penygroes, Llanelli | Freehold | 78 m² | £49,000 (2003) |
| 13 Spien Road, Penygroes, Llanelli | - | 90 m² | - |
| 15 Spien Road, Penygroes, Llanelli | - | 78 m² | - |
| 17 Spien Road, Penygroes, Llanelli | - | 71 m² | - |
| 18 Spien Road, Penygroes, Llanelli | Freehold | 120 m² | £144,000 (2007) |
| 20 Spien Road, Penygroes, Llanelli | Freehold | 96 m² | £86,000 (2004) |
| 21 Spien Road, Penygroes, Llanelli | - | 82 m² | - |
| 22, Spien Road, Penygroes, Llanelli | Freehold | 180 m² | £135,000 (2006) |
| 23 Spien Road, Penygroes, Llanelli | Freehold | 88 m² | £75,000 (2018) |
| 25 Spien Road, Penygroes, Llanelli | - | 82 m² | - |
| 27 Spien Road, Penygroes, Llanelli, Llanelli | Freehold | 84 m² | £99,000 (2021) |
| 29 Spien Road, Penygroes, Llanelli | - | 87 m² | - |
| 33 Spien Road, Penygroes, Llanelli | - | 84 m² | - |
| 35 Spien Road, Penygroes, Llanelli | - | 69 m² | - |
| 37 Spien Road, Penygroes, Llanelli | - | 69 m² | - |
| 41 Spien Road, Penygroes, Llanelli | - | 72 m² | - |
| Spienddu, Spien Road, Penygroes, Llanelli | Freehold | 69 m² | £400,000 (2023) |
