| 1, Treebourne Road, Biggin Hill, Westerham | Freehold | 94 m² | £90,000 (1998) |
| 2, Treebourne Road, Biggin Hill, Westerham | Freehold | 76 m² | £118,000 (2001) |
| 3, Treebourne Road, Biggin Hill, Westerham | Freehold | 107 m² | £237,500 (2007) |
| 4 Treebourne Road, Biggin Hill, Westerham | Freehold | 85 m² | £415,000 (2025) |
| 5 Treebourne Road, Biggin Hill, Westerham | Freehold | 103 m² | £243,000 (2007) |
| 6, Treebourne Road, Biggin Hill, Westerham | Freehold | 108 m² | £265,000 (2014) |
| 7 Treebourne Road, Biggin Hill, Westerham | - | 111 m² | - |
| 9, Treebourne Road, Biggin Hill, Westerham | Freehold | 89 m² | £375,000 (2021) |
| 10 Treebourne Road, Biggin Hill, Westerham | Freehold | 90 m² | £430,000 (2025) |
| 11, Treebourne Road, Biggin Hill, Westerham | Freehold | 91 m² | £367,000 (2020) |
| 12, Treebourne Road, Biggin Hill, Westerham | Freehold | 93 m² | £350,000 (2018) |
| 13, Treebourne Road, Biggin Hill, Westerham | Freehold | 92 m² | £232,000 (2013) |
| 14 Treebourne Road, Biggin Hill, Westerham | Freehold | 90 m² | £411,500 (2025) |
| 15 Treebourne Road, Biggin Hill, Westerham | Freehold | 95 m² | £405,000 (2024) |
| 16, Treebourne Road, Biggin Hill, Westerham | Freehold | 94 m² | £217,500 (2011) |
| 18, Treebourne Road, Biggin Hill, Westerham | Freehold | 93 m² | £315,000 (2015) |
| 19, Treebourne Road, Biggin Hill, Westerham | Freehold | 95 m² | £132,000 (2001) |
| 20 Treebourne Road, Biggin Hill, Westerham | Freehold | 102 m² | £390,000 (2021) |
| 21 Treebourne Road, Biggin Hill, Westerham | Freehold | 101 m² | £195,000 (2003) |
| 22 Treebourne Road, Biggin Hill, Westerham | Freehold | 103 m² | £162,000 (2003) |
| 23 Treebourne Road, Biggin Hill, Westerham | Freehold | 103 m² | £307,500 (2015) |
