| 1, Porthallow Close, Orpington | Freehold | 77 m² | £580,000 (2020) |
| 2 Porthallow Close, Orpington | Freehold | 87 m² | £327,500 (2012) |
| 3 Porthallow Close, Orpington | Freehold | 82 m² | £482,800 (2024) |
| 4 Porthallow Close, Orpington | Freehold | 87 m² | £568,000 (2022) |
| 5 Porthallow Close, Orpington | Freehold | 73 m² | £519,000 (2026) |
| 6 Porthallow Close, Orpington | Freehold | 96 m² | £540,000 (2019) |
| 7, Porthallow Close, Orpington | Freehold | 80 m² | £540,000 (2017) |
| 9, Porthallow Close, Orpington | Freehold | 131 m² | £650,000 (2017) |
| 9A, Porthallow Close, Orpington | Freehold | 62 m² | £490,000 (2018) |
| 10 Porthallow Close, Orpington | Freehold | 64 m² | £500,000 (2023) |
| 11, Porthallow Close, Orpington | Freehold | 65 m² | £325,000 (2014) |
| 14, Porthallow Close, Orpington | Freehold | 63 m² | £470,000 (2024) |
| 15 Porthallow Close, Orpington | Freehold | 66 m² | £451,000 (2025) |
| 17, Porthallow Close, Orpington | Freehold | 96 m² | £550,000 (2018) |
| 18 Porthallow Close, Orpington | Freehold | 67 m² | £318,000 (2015) |
| 19 Porthallow Close, Orpington | Freehold | 67 m² | £450,000 (2022) |
| 20 Porthallow Close, Orpington | Freehold | 67 m² | £460,000 (2025) |
| 21 Porthallow Close, Orpington | Freehold | 67 m² | £288,000 (2013) |
| 22 Porthallow Close, Orpington | Freehold | 66 m² | £237,000 (2005) |
| 23 Porthallow Close, Orpington | Freehold | 65 m² | £402,500 (2021) |
| 24 Porthallow Close, Orpington | Freehold | 66 m² | £450,000 (2026) |
| 25, Porthallow Close, Orpington | Freehold | 81 m² | £295,000 (2013) |
| 26, Porthallow Close, Orpington | Freehold | 65 m² | £397,500 (2017) |
| 29 Porthallow Close, Orpington | Freehold | 65 m² | £452,000 (2024) |
| 30 Porthallow Close, Orpington | Freehold | 68 m² | £271,000 (2012) |
| 31 Porthallow Close, Orpington | Freehold | 77 m² | £530,000 (2025) |
| 32, Porthallow Close, Orpington | Freehold | 78 m² | £288,000 (2007) |
| 34 Porthallow Close, Orpington, Orpington | Freehold | 108 m² | £465,000 (2021) |
| 35 Porthallow Close, Orpington | Freehold | 94 m² | £550,000 (2022) |
| 36, Porthallow Close, Orpington | Freehold | 113 m² | £442,000 (2019) |
| 37 Porthallow Close, Orpington, Orpington | Freehold | 68 m² | £445,000 (2021) |
| 39 Porthallow Close, Orpington, Orpington | Freehold | 77 m² | £320,000 (2010) |
| 40, Porthallow Close, Orpington | - | 91 m² | - |
| 41, Porthallow Close, Orpington | Freehold | 100 m² | £395,000 (2015) |
| 43 Porthallow Close, Orpington | - | 105 m² | - |
| 44, Porthallow Close, Orpington | Freehold | 99 m² | £534,250 (2022) |
| 45, Porthallow Close, Orpington | Freehold | 100 m² | £300,000 (2012) |
| 46 Porthallow Close, Orpington | Freehold | 98 m² | £492,000 (2024) |
| 47 Porthallow Close, Orpington | Freehold | 105 m² | £398,000 (2017) |
| 48 Porthallow Close, Orpington | Freehold | 113 m² | £490,000 (2026) |
| 51, Porthallow Close, Orpington | Freehold | 96 m² | £440,000 (2017) |
| 52 Porthallow Close, Orpington | Freehold | 90 m² | £297,500 (2004) |
| 53, Porthallow Close, Orpington | Freehold | 111 m² | £458,000 (2016) |
| 54 Porthallow Close, Orpington | Freehold | 81 m² | £500,000 (2026) |
| 55, Porthallow Close, Orpington | Freehold | 95 m² | £475,000 (2019) |
| 56 Porthallow Close, Orpington | Freehold | 105 m² | £387,000 (2015) |
| 57, Porthallow Close, Orpington | Freehold | 82 m² | £401,000 (2020) |
| 58, Porthallow Close, Orpington | Freehold | 94 m² | £455,000 (2018) |