| 1 Gardiner Close, Orpington | - | 132 m² | - |
| 3, Gardiner Close, Orpington | - | 80 m² | - |
| 5, Gardiner Close, Orpington | Freehold | 86 m² | £195,500 (2012) |
| 6, Gardiner Close, Orpington | Freehold | 88 m² | £310,000 (2020) |
| 7, Gardiner Close, Orpington | - | 87 m² | - |
| 8, Gardiner Close, Orpington | Freehold | 91 m² | £285,000 (2015) |
| 9 Gardiner Close, Orpington | Freehold | 73 m² | £405,000 (2024) |
| 10, Gardiner Close, Orpington | Freehold | 86 m² | £350,000 (2019) |
| 11, Gardiner Close, Orpington | Freehold | 73 m² | £320,000 (2019) |
| 13, Gardiner Close, Orpington | Freehold | 87 m² | £285,000 (2015) |
| 15, Gardiner Close, Orpington | Freehold | 80 m² | £415,000 (2024) |
| 17 Gardiner Close, Orpington | - | 87 m² | - |
| 18, Gardiner Close, Orpington | - | 90 m² | - |
| 20, Gardiner Close, Orpington | Freehold | 80 m² | £470,000 (2024) |
| 21 Gardiner Close, Orpington | Freehold | 103 m² | £80,000 (1996) |
| 24, Gardiner Close, Orpington | - | 93 m² | - |
| 25, Gardiner Close, Orpington | Freehold | 149 m² | £269,995 (2009) |
| 26, Gardiner Close, Orpington | Freehold | 93 m² | £335,000 (2019) |
| 29 Gardiner Close, Orpington, Orpington | Freehold | 91 m² | £350,250 (2021) |
| 30 Gardiner Close, Orpington | Freehold | 112 m² | £249,950 (2007) |
| 32 Gardiner Close, Orpington | Freehold | 133 m² | £525,000 (2021) |
| 33, Gardiner Close, Orpington | Freehold | 90 m² | £330,000 (2019) |
| 34 Gardiner Close, Orpington | - | 41 m² | - |
| 35, Gardiner Close, Orpington | - | 42 m² | - |
| 36 Gardiner Close, Orpington | Leasehold | 55 m² | £175,000 (2014) |
| 38 Gardiner Close, Orpington | Leasehold | 41 m² | £120,000 (2006) |
| 39, Gardiner Close, Orpington | Leasehold | 56 m² | £227,500 (2018) |
| 40, Gardiner Close, Orpington | Leasehold | 57 m² | £240,000 (2018) |
| 41 Gardiner Close, Orpington | Leasehold | 46 m² | £170,000 (2026) |
| Flat 2, 23 Gardiner Close, Orpington | - | 15 m² | - |
| Room 1, 23 Gardiner Close, Orpington | - | 14 m² | - |
| Room 3, 23 Gardiner Close, Orpington | - | 15 m² | - |
| Room 4, 23 Gardiner Close, Orpington | - | 18 m² | - |
| Room 5, 23 Gardiner Close, Orpington | - | 15 m² | - |