| 1, Portland Street, Colne | Freehold | 107 m² | £73,500 (2019) |
| 2 Portland Street, Colne | Freehold | 86 m² | £97,500 (2021) |
| 2A, Portland Street, Colne | - | 71 m² | - |
| 3 Portland Street, Colne | Leasehold | 79 m² | £85,000 (2019) |
| 4 Portland Street, Colne | Freehold | 72 m² | £124,000 (2023) |
| 5 Portland Street, Colne | Leasehold | 85 m² | £115,000 (2022) |
| 6 Portland Street, Colne | Freehold | 71 m² | £29,000 (2001) |
| 7 Portland Street, Colne | Leasehold | 93 m² | £110,000 (2023) |
| 9 Portland Street, Colne | - | 85 m² | - |
| 10, Portland Street, Colne | Freehold | 75 m² | £65,000 (2015) |
| 11, Portland Street, Colne | Leasehold | 83 m² | £105,000 (2022) |
| 12, Portland Street, Colne | Freehold | 99 m² | £98,000 (2009) |
| 13, Portland Street, Colne | Leasehold | 83 m² | £91,000 (2016) |
| 14, Portland Street, Colne | Leasehold | 85 m² | £72,000 (2010) |
| 17, Portland Street, Colne | Leasehold | 85 m² | £65,000 (2012) |
| 20, Portland Street, Colne | Leasehold | 85 m² | £92,500 (2022) |
| 21, Portland Street, Colne | Leasehold | 83 m² | £115,000 (2022) |
| 22, Portland Street, Colne | Leasehold | 97 m² | £75,800 (2005) |
| 23 Portland Street, Colne | Leasehold | 84 m² | £81,000 (2006) |
| 24 Portland Street, Colne | Leasehold | 86 m² | £80,000 (2025) |
| 26 Portland Street, Colne | Leasehold | 83 m² | £125,000 (2023) |
| 30, Portland Street, Colne | Leasehold | 92 m² | £33,000 (1999) |
| 32 Portland Street, Colne | Leasehold | 73 m² | £84,950 (2023) |
| 34, Portland Street, Colne | Leasehold | 79 m² | £79,000 (2016) |
| 36, Portland Street, Colne | Leasehold | 79 m² | £92,000 (2019) |
| 38 Portland Street, Colne | - | 78 m² | - |
| 40 Portland Street, Colne | Leasehold | 85 m² | £125,000 (2025) |
| 42, Portland Street, Colne | Leasehold | 81 m² | £110,000 (2025) |
| 44 Portland Street, Colne | Leasehold | 77 m² | £85,000 (2025) |
| 48 Portland Street, Colne | Leasehold | 83 m² | £86,000 (2007) |
| 52 Portland Street, Colne | Leasehold | 83 m² | £82,000 (2019) |
| 54, Portland Street, Colne | - | 117 m² | - |
| 56 Portland Street, Colne | Leasehold | 97 m² | £52,500 (2003) |
| 58 Portland Street, Colne | Leasehold | 95 m² | £72,000 (2015) |
| 60, Portland Street, Colne | - | 130 m² | - |
| Flat 1, 50, Portland Street, Colne | Leasehold | 42 m² | £65,000 (2019) |
| Flat 2, 50, Portland Street, Colne | - | 39 m² | - |