| 76 Portland Avenue, Gravesend | Freehold | 45 m² | £265,000 (2024) |
| 77, Portland Avenue, Gravesend | Freehold | 59 m² | £190,000 (2010) |
| 79 Portland Avenue, Gravesend | Freehold | 78 m² | £325,000 (2023) |
| 82 Portland Avenue, Gravesend | Freehold | 96 m² | £82,500 (1998) |
| 83 Portland Avenue, Gravesend | Freehold | 111 m² | £325,000 (2014) |
| 85, Portland Avenue, Gravesend | Freehold | 93 m² | £238,500 (2014) |
| 86, Portland Avenue, Gravesend | Freehold | 104 m² | £325,000 (2016) |
| 90 Portland Avenue, Gravesend | Freehold | 99 m² | £315,000 (2024) |
| 92, Portland Avenue, Gravesend | Freehold | 157 m² | £330,000 (2014) |
| 96, Portland Avenue, Gravesend | Freehold | 92 m² | £365,000 (2020) |
| 99, Portland Avenue, Gravesend | Freehold | 60 m² | £450,000 (2022) |
| 100, Portland Avenue, Gravesend | Freehold | 66 m² | £360,000 (2019) |
| 101, Portland Avenue, Gravesend | Freehold | 105 m² | £410,000 (2018) |
| 102, Portland Avenue, Gravesend | Freehold | 122 m² | £429,995 (2016) |
| 108, Portland Avenue, Gravesend | Freehold | 90 m² | £82,500 (1995) |
| 109, Portland Avenue, Gravesend | Freehold | 103 m² | £320,000 (2015) |
| 110 Portland Avenue, Gravesend | Freehold | 85 m² | £320,000 (2017) |
| 111, Portland Avenue, Gravesend | Freehold | 84 m² | £123,995 (1997) |
| 112 Portland Avenue, Gravesend | Freehold | 136 m² | £505,000 (2023) |
| 113, Portland Avenue, Gravesend | Freehold | 139 m² | £88,000 (1998) |
