| 3 Royal Oak Close, Machen, Machen | Freehold | 117 m² | £335,000 (2021) |
| 4 Royal Oak Close, Machen, Caerphilly | Freehold | 124 m² | £240,000 (2015) |
| 5, Royal Oak Close, Machen, Caerphilly | Freehold | 116 m² | £310,000 (2021) |
| 6, Royal Oak Close, Machen, Caerphilly | Freehold | 107 m² | £265,000 (2020) |
| 7, Royal Oak Close, Machen, Caerphilly | Freehold | 85 m² | £186,000 (2017) |
| 8, Royal Oak Close, Machen, Caerphilly | - | 51 m² | - |
| 9, Royal Oak Close, Machen, Caerphilly | - | 75 m² | - |
| 10 Royal Oak Close, Machen, Caerphilly | Freehold | 117 m² | £390,000 (2025) |
| 11, Royal Oak Close, Machen, Caerphilly | Freehold | 87 m² | £200,000 (2017) |
| 12, Royal Oak Close, Machen, Caerphilly | Freehold | 89 m² | £200,000 (2017) |
| 13 Royal Oak Close, Machen, Caerphilly | Freehold | 161 m² | £98,000 (1995) |
| 15 Royal Oak Close, Machen, Caerphilly | Freehold | 138 m² | £109,500 (1999) |
| 16, Royal Oak Close, Machen, Caerphilly | - | 107 m² | - |
| 18, Royal Oak Close, Machen, Caerphilly | - | 144 m² | - |
| 20, Royal Oak Close, Machen, Caerphilly | Freehold | 137 m² | £385,000 (2024) |
| 21 Royal Oak Close, Machen, Caerphilly | Freehold | 106 m² | £440,000 (2024) |
| 22, Royal Oak Close, Machen, Caerphilly | Freehold | 132 m² | £325,000 (2019) |
| 23 Royal Oak Close, Machen, Caerphilly | Freehold | 141 m² | £97,000 (1999) |
| 25, Royal Oak Close, Machen, Caerphilly | Freehold | 155 m² | £410,500 (2022) |
| 26, Royal Oak Close, Machen, Caerphilly | Freehold | 131 m² | £307,500 (2020) |
| 27, Royal Oak Close, Machen, Caerphilly | Freehold | 127 m² | £260,000 (2010) |
