| 2 Llewellyn Street, Barry | - | 78 m² | - |
| 3, Llewellyn Street, Barry | Freehold | 67 m² | £60,000 (2003) |
| 4 Llewellyn Street, Barry, Barry | Freehold | 72 m² | £90,000 (2017) |
| 5, Llewellyn Street, Barry | Freehold | 74 m² | £103,500 (2017) |
| 6 Llewellyn Street, Barry, Barry | Freehold | 72 m² | £79,000 (2005) |
| 7, Llewellyn Street, Barry | Freehold | 66 m² | £143,000 (2024) |
| 8, Llewellyn Street, Barry | Freehold | 67 m² | £97,000 (2018) |
| 9 Llewellyn Street, Barry | Freehold | 57 m² | £170,000 (2026) |
| 10, Llewellyn Street, Barry | Freehold | 64 m² | £139,999 (2023) |
| 11, Llewellyn Street, Barry | Freehold | 56 m² | £137,500 (2023) |
| 13 Llewellyn Street, Barry | Freehold | 60 m² | £86,500 (2015) |
| 14 Llewellyn Street, Barry | - | 69 m² | - |
| 17, Llewellyn Street, Barry | Freehold | 66 m² | £84,000 (2014) |
| 18, Llewellyn Street, Barry | Freehold | 48 m² | £95,500 (2016) |
| 19 Llewellyn Street, Barry | Freehold | 64 m² | £155,000 (2025) |
| 22, Llewellyn Street, Barry | - | 76 m² | - |
| 24, Llewellyn Street, Barry | Freehold | 68 m² | £39,000 (2002) |
| 26, Llewellyn Street, Barry | Freehold | 67 m² | £127,750 (2021) |
| 28, Llewellyn Street, Barry | Freehold | 72 m² | £95,000 (2018) |
| 30 Llewellyn Street, Barry | Freehold | 57 m² | £85,000 (2005) |
| 32 Llewellyn Street, Barry | Leasehold | 59 m² | £48,950 (2002) |
| 34 Llewellyn Street, Barry | Freehold | 59 m² | £80,000 (2004) |
| 36 Llewellyn Street, Barry | Freehold | 66 m² | £105,000 (2024) |
| 38, Llewellyn Street, Barry | Freehold | 66 m² | £130,000 (2024) |
| 40 Llewellyn Street, Barry | Freehold | 69 m² | £145,000 (2023) |