| 1 Mellon Street Mews, Mellon Street, Newport | - | 60 m² | - |
| 1, Mellon Street, Newport | Freehold | 27 m² | £90,000 (2018) |
| 1B Mellon Street, Newport | - | 32 m² | - |
| 2 Mellon Street Mews, Mellon Street, Newport | - | 53 m² | - |
| 2 Mellon Street, Newport | Freehold | 76 m² | £165,000 (2023) |
| 3 Mellon Street Mews, Mellon Street, Newport | - | 52 m² | - |
| 3, Mellon Street, Newport | Freehold | 63 m² | £100,000 (2006) |
| 4 Mellon Street Mews, Mellon Street, Newport | - | 54 m² | - |
| 4, Mellon Street, Newport | Freehold | 39 m² | £130,000 (2019) |
| 4A, Mellon Street, Newport | Leasehold | 63 m² | £77,000 (2022) |
| 6 Mellon Street, Newport, Newport | Freehold | 104 m² | £141,250 (2025) |
| 8 Mellon Street, Newport | Freehold | 101 m² | £95,000 (2005) |
| 12 Mellon Street, Newport, Newport | Freehold | 108 m² | £180,000 (2024) |
| 14 Mellon Street, Newport | Freehold | 80 m² | £80,000 (2022) |
| 16, Mellon Street, Newport | Freehold | 84 m² | £60,000 (2003) |
| 18 Mellon Street, Newport | - | 84 m² | - |
| 20, Mellon Street, Newport | Freehold | 106 m² | £110,000 (2024) |
| 22, Mellon Street, Newport | - | 103 m² | - |
| 24 Mellon Street, Newport | Freehold | 100 m² | £94,500 (2004) |
| 30 Mellon Street, Newport | Freehold | 151 m² | £90,000 (2016) |
| 32, Mellon Street, Newport | Freehold | 82 m² | £104,000 (2006) |
| 34 Mellon Street, Newport | - | 104 m² | - |
| 40 Mellon Street, Newport | Freehold | 90 m² | £120,000 (2022) |
| Flat 1, 26, Mellon Street, Newport | - | 48 m² | - |
| Flat 2, 26, Mellon Street, Newport | - | 45 m² | - |