| 1, Portland Place, Grimsby | - | 81 m² | - |
| 1B Portland Place, Grimsby | Freehold | 60 m² | £135,000 (2024) |
| 2A, Portland Place, Grimsby | Freehold | 83 m² | £154,000 (2016) |
| 3 Portland Place, Grimsby | Freehold | 70 m² | £150,000 (2025) |
| 4 Portland Place, Grimsby | Freehold | 84 m² | £135,000 (2020) |
| 5, Portland Place, Grimsby | Freehold | 116 m² | £218,500 (2023) |
| 6, Portland Place, Grimsby | Freehold | 83 m² | £100,000 (2005) |
| 7 Portland Place, Grimsby, Grimsby | Freehold | 84 m² | £182,500 (2023) |
| 8 Portland Place, Grimsby | Freehold | 116 m² | £172,000 (2010) |
| 9, Portland Place, Grimsby | - | 79 m² | - |
| 15, Portland Place, Grimsby | Freehold | 93 m² | £100,000 (2010) |
| 16 Portland Place, Grimsby | Freehold | 93 m² | £190,000 (2026) |
| 18, Portland Place, Grimsby | Freehold | 83 m² | £150,000 (2020) |
| 20 Portland Place, Grimsby | Freehold | 91 m² | £112,500 (2025) |
| 21 Portland Place, Grimsby | - | 95 m² | - |
| 22, Portland Place, Grimsby | Freehold | 90 m² | £115,000 (2020) |
| 24, Portland Place, Grimsby | Freehold | 94 m² | £137,000 (2005) |
| 26 Portland Place, Grimsby | Freehold | 97 m² | £106,000 (2015) |
| 27 Portland Place, Grimsby | Freehold | 86 m² | £109,000 (2006) |
| 30, Portland Place, Grimsby | - | 117 m² | - |
| The Old Post Office, Portland Place, Grimsby, Grimsby | - | 118 m² | - |