| 3 Portman Street, Middlesbrough | - | 56 m² | - |
| 4, Portman Street, Middlesbrough | Freehold | 65 m² | £63,000 (2023) |
| 5, Portman Street, Middlesbrough | Freehold | 55 m² | £25,000 (2020) |
| 6, Portman Street, Middlesbrough | Freehold | 64 m² | £39,000 (2020) |
| 7 Portman Street, Middlesbrough | - | 60 m² | - |
| 9 Portman Street, Middlesbrough | Freehold | 57 m² | £45,000 (2018) |
| 10, Portman Street, Middlesbrough | - | 55 m² | - |
| 11 Portman Street, Middlesbrough | Freehold | 55 m² | £45,000 (2019) |
| 12, Portman Street, Middlesbrough | Freehold | 62 m² | £18,000 (2003) |
| 13, Portman Street, Middlesbrough | Freehold | 51 m² | £58,500 (2022) |
| 14, Portman Street, Middlesbrough | Freehold | 58 m² | £38,500 (2017) |
| 15 Portman Street, Middlesbrough | Freehold | 52 m² | £35,000 (2017) |
| 16, Portman Street, Middlesbrough | Freehold | 56 m² | £11,700 (2000) |
| 17, Portman Street, Middlesbrough | Freehold | 55 m² | £56,500 (2022) |
| 18 Portman Street, Middlesbrough | Freehold | 57 m² | £25,000 (2020) |
| 19 Portman Street, Middlesbrough | Freehold | 58 m² | £38,000 (2017) |
| 20 Portman Street, Middlesbrough, Middlesbrough | Freehold | 57 m² | £53,000 (2021) |
| 22 Portman Street, Middlesbrough | Freehold | 65 m² | £40,000 (2016) |
| 23, Portman Street, Middlesbrough | Freehold | 52 m² | £12,500 (2002) |
| 24 Portman Street, Middlesbrough | Freehold | 61 m² | £25,000 (2020) |
| 25 Portman Street, Middlesbrough | Freehold | 54 m² | £16,500 (1996) |
| 26, Portman Street, Middlesbrough | Freehold | 60 m² | £39,900 (2017) |
| 27 Portman Street, Middlesbrough | Freehold | 47 m² | £16,000 (2000) |
| 28, Portman Street, Middlesbrough | - | 61 m² | - |
| 29, Portman Street, Middlesbrough | Freehold | 55 m² | £37,000 (2019) |
| 30 Portman Street, Middlesbrough | Freehold | 60 m² | £47,000 (2021) |
| 31, Portman Street, Middlesbrough | - | 59 m² | - |
| 32, Portman Street, Middlesbrough | Freehold | 61 m² | £50,000 (2018) |
| 33 Portman Street, Middlesbrough | Freehold | 62 m² | £38,500 (2004) |
| 34 Portman Street, Middlesbrough | Freehold | 62 m² | £65,000 (2022) |
| 35, Portman Street, Middlesbrough | - | 58 m² | - |
| 36 Portman Street, Middlesbrough | Freehold | 58 m² | £64,000 (2022) |
| 37 Portman Street, Middlesbrough | - | 53 m² | - |
| 38 Portman Street, Middlesbrough | Freehold | 67 m² | £65,000 (2024) |
| 39, Portman Street, Middlesbrough | Freehold | 56 m² | £48,000 (2025) |
| 40 Portman Street, Middlesbrough | Freehold | 61 m² | £43,250 (2011) |
| 41, Portman Street, Middlesbrough | Freehold | 55 m² | £48,000 (2025) |