| 1 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 66 m² | £180,000 (2016) |
| 2 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 67 m² | £200,000 (2026) |
| 3 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 59 m² | £175,000 (2017) |
| 4 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 75 m² | £187,000 (2017) |
| 5 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £153,000 (2006) |
| 6 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 61 m² | £152,000 (2006) |
| 7 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £147,500 (2006) |
| 8 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 53 m² | £147,000 (2021) |
| 9 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £134,000 (2014) |
| 10 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 71 m² | £200,000 (2026) |
| 11 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £150,000 (2007) |
| 12 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 66 m² | £155,500 (2006) |
| 13 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 50 m² | £132,000 (2006) |
| 14 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £170,000 (2022) |
| 15 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 65 m² | £195,000 (2024) |
| 16 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 59 m² | £170,000 (2016) |
| 17 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £139,995 (2007) |
| 18 Hollingbourne Tower, Westwell Close, Orpington | - | 50 m² | - |
| 19 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 59 m² | £165,000 (2017) |
| 20 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £158,000 (2006) |
| 21 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £152,000 (2007) |
| 22 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £150,000 (2015) |
| 23 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 50 m² | £160,000 (2023) |
| 24 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 53 m² | £142,000 (2016) |
| 25 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 69 m² | £158,000 (2006) |
| 26 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 66 m² | £131,500 (2006) |
| 27 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £139,995 (2007) |
| 28 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 52 m² | £155,000 (2019) |
| 29 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £121,950 (2007) |
| 30 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 66 m² | £162,000 (2006) |
| 31 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £153,000 (2015) |
| 32 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £152,000 (2007) |
| 33 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £135,500 (2006) |
| 34 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £133,000 (2007) |
| 35 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £174,000 (2018) |
| 36 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 68 m² | £157,000 (2006) |
| 37 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £155,000 (2016) |
| 38 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £135,000 (2006) |
| 39 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £165,000 (2024) |
| 40 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 69 m² | £162,000 (2006) |
| 41 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £155,000 (2007) |
| 42 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 64 m² | £152,000 (2006) |
| 43 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 59 m² | £145,000 (2016) |
| 44 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £135,000 (2006) |
| 45 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 69 m² | £199,500 (2024) |
| 46 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 70 m² | £188,000 (2024) |
| 47 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 62 m² | £120,000 (2011) |
| 48 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 51 m² | £137,500 (2006) |
| 49 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £175,150 (2022) |
| 50 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 74 m² | £124,000 (2014) |
| 51 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 65 m² | £206,000 (2022) |
| 52 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 67 m² | £190,000 (2022) |
| 53 Hollingbourne Tower, Westwell Close, Orpington, Orpington | Leasehold | 53 m² | £119,000 (2025) |
| 54 Hollingbourne Tower, Westwell Close, Orpington | Leasehold | 55 m² | £135,000 (2006) |