| 2, Pennyroyal Close, St. Mellons, Cardiff | - | 93 m² | - |
| 4, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 56 m² | £215,000 (2026) |
| 8 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 110 m² | £147,500 (2007) |
| 12, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 74 m² | £200,000 (2018) |
| 16 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 76 m² | £250,000 (2022) |
| 18 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 76 m² | £125,000 (2014) |
| 22, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 78 m² | £212,500 (2020) |
| 24, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 79 m² | £151,000 (2014) |
| 26, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 76 m² | £137,000 (2013) |
| 30, Pennyroyal Close, St. Mellons, Cardiff | - | 84 m² | - |
| 32 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 68 m² | £150,000 (2023) |
| 34 Pennyroyal Close, St. Mellons, Cardiff | - | 81 m² | - |
| 36 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 70 m² | £126,000 (2006) |
| 40 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 70 m² | £47,000 (1999) |
| 42 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 77 m² | £242,000 (2025) |
| 44, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 97 m² | £217,000 (2017) |
| 48, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 102 m² | £142,000 (2010) |
| 52, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 132 m² | £210,000 (2017) |
| 54 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 67 m² | £225,000 (2022) |
| 56 Pennyroyal Close, St. Mellons, Cardiff | - | 71 m² | - |
| 58, Pennyroyal Close, St. Mellons, Cardiff | Freehold | 61 m² | £195,500 (2024) |
| 60 Pennyroyal Close, St. Mellons, Cardiff | Freehold | 63 m² | £108,700 (2004) |