| 1, Westerham Drive, Sidcup | Leasehold | 64 m² | £300,000 (2020) |
| 2 Westerham Drive, Sidcup | Leasehold | 78 m² | £305,000 (2026) |
| 4, Westerham Drive, Sidcup | Leasehold | 68 m² | £170,000 (2013) |
| 6 Westerham Drive, Sidcup | Leasehold | 66 m² | £273,000 (2017) |
| 7, Westerham Drive, Sidcup | Leasehold | 66 m² | £188,000 (2014) |
| 8, Westerham Drive, Sidcup | Leasehold | 62 m² | £230,000 (2018) |
| 10, Westerham Drive, Sidcup | Freehold | 69 m² | £314,995 (2014) |
| 14 Westerham Drive, Sidcup | Freehold | 58 m² | £385,000 (2018) |
| 15, Westerham Drive, Sidcup | Freehold | 73 m² | £235,000 (2011) |
| 17, Westerham Drive, Sidcup | Freehold | 51 m² | £340,000 (2016) |
| 19 Westerham Drive, Sidcup | Freehold | 84 m² | £550,000 (2023) |
| 20, Westerham Drive, Sidcup | Freehold | 63 m² | £220,000 (2012) |
| 21, Westerham Drive, Sidcup | Freehold | 60 m² | £135,000 (2000) |
| 22, Westerham Drive, Sidcup | - | 61 m² | - |
| 24, Westerham Drive, Sidcup | Freehold | 61 m² | £330,000 (2018) |
| 26, Westerham Drive, Sidcup | Freehold | 59 m² | £300,000 (2016) |
| 27, Westerham Drive, Sidcup | Leasehold | 73 m² | £282,500 (2021) |
| 28 Westerham Drive, Sidcup | Leasehold | 67 m² | £295,000 (2021) |
| 29, Westerham Drive, Sidcup | Leasehold | 68 m² | £245,000 (2017) |
| 30, Westerham Drive, Sidcup | Leasehold | 73 m² | £270,000 (2021) |
| 31 Westerham Drive, Sidcup | Leasehold | 66 m² | £245,000 (2017) |
| 32 Westerham Drive, Sidcup | Leasehold | 72 m² | £289,500 (2024) |
| 33 Westerham Drive, Sidcup | Leasehold | 70 m² | £280,000 (2018) |
| 34, Westerham Drive, Sidcup | Leasehold | 69 m² | £164,000 (2007) |
| 37, Westerham Drive, Sidcup | Leasehold | 66 m² | £273,000 (2017) |
| 38, Westerham Drive, Sidcup | Leasehold | 71 m² | £63,000 (1999) |
| 41, Westerham Drive, Sidcup | Leasehold | 64 m² | £297,500 (2024) |
| 43 Westerham Drive, Sidcup | Leasehold | 71 m² | £300,000 (2023) |
| 44, Westerham Drive, Sidcup | Leasehold | 58 m² | £277,000 (2019) |
| 45 Westerham Drive, Sidcup | - | 58 m² | - |
| 46 Westerham Drive, Sidcup | Leasehold | 59 m² | £255,000 (2026) |
| 47 Westerham Drive, Sidcup | Leasehold | 56 m² | £320,000 (2025) |
| 48, Westerham Drive, Sidcup | Leasehold | 57 m² | £98,000 (2001) |
| 49, Westerham Drive, Sidcup | Freehold | 59 m² | £390,000 (2023) |
| 50 Westerham Drive, Sidcup | Freehold | 60 m² | £346,000 (2023) |
| 54, Westerham Drive, Sidcup | Freehold | 70 m² | £235,000 (2013) |
| 56 Westerham Drive, Sidcup | Freehold | 58 m² | £326,500 (2021) |
| 58, Westerham Drive, Sidcup | Freehold | 60 m² | £298,000 (2017) |
| 60 Westerham Drive, Sidcup | Freehold | 59 m² | £22,000 (2021) |
| 60A, Westerham Drive, Sidcup | Freehold | 102 m² | £350,000 (2014) |
| 66, Westerham Drive, Sidcup | - | 60 m² | - |
| 67 Westerham Drive, Sidcup | - | 60 m² | - |
| 68, Westerham Drive, Sidcup | - | 60 m² | - |
| 69, Westerham Drive, Sidcup | - | 60 m² | - |
| 70, Westerham Drive, Sidcup | - | 60 m² | - |
| 71, Westerham Drive, Sidcup | - | 60 m² | - |
| 73 Westerham Drive, Sidcup | Leasehold | 33 m² | £125,000 (2008) |
| 74, Westerham Drive, Sidcup | Leasehold | 51 m² | £178,000 (2008) |
| 75 Westerham Drive, Sidcup | Leasehold | 51 m² | £121,000 (2011) |
| 76 Westerham Drive, Sidcup, Sidcup | Leasehold | 36 m² | £225,000 (2021) |
| 77 Westerham Drive, Sidcup, Sidcup | Leasehold | 59 m² | £155,000 (2008) |
| 78, Westerham Drive, Sidcup | Leasehold | 46 m² | £220,000 (2019) |
| 79 Westerham Drive, Sidcup | Leasehold | 46 m² | £90,000 (2008) |
| 82 Westerham Drive, Sidcup, Sidcup | Leasehold | 39 m² | £210,000 (2021) |
| 83 Westerham Drive, Sidcup | - | 43 m² | - |