| Flat 1 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 2 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 66 m² | £96,000 (2024) |
| Flat 3 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 67 m² | £97,500 (2024) |
| Flat 4 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 5 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 6 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 67 m² | £96,000 (2025) |
| Flat 7 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 66 m² | £240,000 (2023) |
| Flat 8 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 65 m² | £310,000 (2025) |
| Flat 9 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 10 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 67 m² | £216,000 (2024) |
| Flat 11 Merstham House, 3, Iron Railway Close, Coulsdon | - | 66 m² | - |
| Flat 12 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 13 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 50 m² | £82,500 (2023) |
| Flat 14 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 50 m² | £82,500 (2024) |
| Flat 15 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 66 m² | £115,500 (2019) |
| Flat 16 Merstham House, 3, Iron Railway Close, Coulsdon | - | 67 m² | - |
| Flat 17 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 18 Merstham House, 3, Iron Railway Close, Coulsdon | - | 65 m² | - |
| Flat 19 Merstham House, 3, Iron Railway Close, Coulsdon | - | 67 m² | - |
| Flat 20 Merstham House, 3, Iron Railway Close, Coulsdon | - | 66 m² | - |
| Flat 21 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 22 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 23 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 24 Merstham House, 3, Iron Railway Close, Coulsdon | - | 66 m² | - |
| Flat 25 Merstham House, 3, Iron Railway Close, Coulsdon | - | 67 m² | - |
| Flat 26 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 65 m² | £90,000 (2025) |
| Flat 27 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 65 m² | £153,000 (2025) |
| Flat 28 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 29 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 50 m² | £85,500 (2023) |
| Flat 30 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 31 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 32 Merstham House, 3, Iron Railway Close, Coulsdon | - | 50 m² | - |
| Flat 33 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 50 m² | £145,000 (2024) |
| Flat 34 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 50 m² | £177,000 (2024) |
| Flat 35 Merstham House, 3, Iron Railway Close, Coulsdon | Leasehold | 65 m² | £175,000 (2024) |
