| 1, Portland Street, Barnstaple | Leasehold | 158 m² | £175,000 (2025) |
| 4 Portland Street, Barnstaple | Freehold | 102 m² | £73,000 (2001) |
| 8 Portland Street, Barnstaple | Freehold | 108 m² | £53,000 (1999) |
| 9, Portland Street, Barnstaple | Freehold | 103 m² | £123,000 (2013) |
| 10 Portland Street, Barnstaple, Barnstaple | Freehold | 106 m² | £155,000 (2007) |
| 16 Portland Street, Barnstaple | Freehold | 87 m² | £185,000 (2024) |
| 17, Portland Street, Barnstaple | Freehold | 104 m² | £181,000 (2013) |
| 18, Portland Street, Barnstaple | Freehold | 110 m² | £179,950 (2016) |
| 20 Portland Street, Barnstaple | Freehold | 98 m² | £147,500 (2008) |
| 21, Portland Street, Barnstaple | Freehold | 95 m² | £145,000 (2010) |
| 22, Portland Street, Barnstaple | Freehold | 98 m² | £210,000 (2026) |
| 23, Portland Street, Barnstaple | Freehold | 88 m² | £170,000 (2019) |
| 24 Portland Street, Barnstaple | Freehold | 98 m² | £205,000 (2022) |
| 25 Portland Street, Barnstaple | Freehold | 100 m² | £202,000 (2022) |
| 26, Portland Street, Barnstaple | Freehold | 96 m² | £190,000 (2019) |
| 28, Portland Street, Barnstaple | Freehold | 109 m² | £164,950 (2014) |
| 29, Portland Street, Barnstaple | Freehold | 92 m² | £152,500 (2016) |
| 30 Portland Street, Barnstaple, Barnstaple | Freehold | 100 m² | £187,000 (2021) |
| 32 Portland Street, Barnstaple | Freehold | 104 m² | £132,000 (2007) |
| 33, Portland Street, Barnstaple | Freehold | 102 m² | £210,000 (2022) |
| 34 Portland Street, Barnstaple, Barnstaple | Freehold | 97 m² | £174,000 (2021) |
| 37, Portland Street, Barnstaple | Freehold | 99 m² | £71,500 (2001) |
| 38, Portland Street, Barnstaple | Freehold | 107 m² | £160,000 (2015) |
| 40, Portland Street, Barnstaple | Freehold | 95 m² | £227,500 (2024) |
| 41, Portland Street, Barnstaple | - | 93 m² | - |
| 42, Portland Street, Barnstaple | Freehold | 94 m² | £157,500 (2014) |
| 43, Portland Street, Barnstaple | Freehold | 94 m² | £171,500 (2016) |
| 44 Portland Street, Barnstaple | Freehold | 96 m² | £220,000 (2025) |
| Apartment 1, Barum Lodge, Portland Street, Barnstaple | - | 81 m² | - |
| Apartment 2, Barum Lodge, Portland Street, Barnstaple | - | 85 m² | - |
| Apartment 3, Barum Lodge, Portland Street, Barnstaple | Leasehold | 37 m² | £165,000 (2022) |
| Apartment 4, Barum Lodge, Portland Street, Barnstaple | - | 37 m² | - |
| Flat 1, 2 Portland Street, Barnstaple, Barnstaple | - | 52 m² | - |
| Flat 2, 1A Portland Street, Barnstaple | - | 51 m² | - |
| Flat 2, 2 Portland Street, Barnstaple, Barnstaple | Freehold | 47 m² | £210,000 (2017) |
| Flat 3, 1A Portland Street, Barnstaple, Devon | - | 48 m² | - |
| Flat 3, 2 Portland Street, Barnstaple, Barnstaple | - | 45 m² | - |
| Flat 4, 1A Portland Street, Barnstaple | - | 48 m² | - |
| Portland House, Portland Street, Barnstaple | - | 193 m² | - |