| 1 Portland Road, Langho, Blackburn | - | 104 m² | - |
| 2 Portland Road, Langho, Blackburn | Leasehold | 63 m² | £60,000 (1998) |
| 3, Portland Road, Langho, Blackburn | Leasehold | 69 m² | £195,000 (2018) |
| 4 Portland Road, Langho, Blackburn | Leasehold | 52 m² | £180,000 (2023) |
| 6, Portland Road, Langho, Blackburn | Freehold | 56 m² | £185,000 (2020) |
| 7, Portland Road, Langho, Blackburn | Leasehold | 82 m² | £150,000 (2016) |
| 8, Portland Road, Langho, Blackburn | Freehold | 73 m² | £176,500 (2020) |
| 9 Portland Road, Langho, Blackburn | Freehold | 100 m² | £235,000 (2025) |
| 10, Portland Road, Langho, Blackburn | Leasehold | 139 m² | £330,000 (2023) |
| 11, Portland Road, Langho, Blackburn | Leasehold | 123 m² | £225,000 (2015) |
| 12 Portland Road, Langho, Blackburn | - | 62 m² | - |
| 14 Portland Road, Langho, Blackburn | Leasehold | 70 m² | £152,500 (2014) |
| 15, Portland Road, Langho, Blackburn | Leasehold | 56 m² | £69,000 (1999) |
| 16, Portland Road, Langho, Blackburn | Freehold | 89 m² | £195,000 (2016) |
| 17, Portland Road, Langho, Blackburn | Freehold | 82 m² | £192,000 (2018) |
| 18, Portland Road, Langho, Blackburn | Leasehold | 56 m² | £209,000 (2013) |
| 19 Portland Road, Langho, Blackburn | Leasehold | 59 m² | £253,767 (2022) |
| 23, Portland Road, Langho, Blackburn | Freehold | 57 m² | £173,000 (2015) |
