| 1, Duchess Court, Welwyn Garden City | - | 57 m² | - |
| 2, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £340,000 (2023) |
| 3, Duchess Court, Welwyn Garden City | - | 66 m² | - |
| 4, Duchess Court, Welwyn Garden City | - | 66 m² | - |
| 5, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £178,750 (2026) |
| 6, Duchess Court, Welwyn Garden City | - | 46 m² | - |
| 7, Duchess Court, Welwyn Garden City | - | 70 m² | - |
| 8, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £315,000 (2023) |
| 9, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £312,000 (2024) |
| 10, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £316,000 (2024) |
| 11, Duchess Court, Welwyn Garden City | Leasehold | 62 m² | £303,995 (2018) |
| 12, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £335,000 (2022) |
| 13, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £300,000 (2026) |
| 14, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £327,000 (2023) |
| 15, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £305,000 (2025) |
| 16, Duchess Court, Welwyn Garden City | Leasehold | 62 m² | £308,995 (2018) |
| 17, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £310,000 (2020) |
| 18, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £955,455 (2018) |
| 19, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 20, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 21, Duchess Court, Welwyn Garden City | - | 73 m² | - |
| 22, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 23, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 24, Duchess Court, Welwyn Garden City | - | 62 m² | - |
| 25, Duchess Court, Welwyn Garden City | - | 67 m² | - |
| 26, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 27, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 28, Duchess Court, Welwyn Garden City | - | 73 m² | - |
| 29, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 30, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 31, Duchess Court, Welwyn Garden City | - | 62 m² | - |
| 32, Duchess Court, Welwyn Garden City | - | 67 m² | - |
| 33, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 34, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 35, Duchess Court, Welwyn Garden City | - | 73 m² | - |
| 36, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 37, Duchess Court, Welwyn Garden City | - | 68 m² | - |
| 38, Duchess Court, Welwyn Garden City | - | 62 m² | - |
| 39, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £327,500 (2018) |
| 40, Duchess Court, Welwyn Garden City | Leasehold | 57 m² | £289,995 (2018) |
| 41, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £320,000 (2020) |
| 42, Duchess Court, Welwyn Garden City | Leasehold | 46 m² | £227,995 (2018) |
| 43, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £299,995 (2019) |
| 44, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £305,000 (2025) |
| 45, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £295,000 (2024) |
| 46, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £322,500 (2023) |
| 47, Duchess Court, Welwyn Garden City | Leasehold | 62 m² | £303,995 (2018) |
| 48, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £314,995 (2018) |
| 49, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £299,995 (2019) |
| 50, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £307,000 (2023) |
| 51, Duchess Court, Welwyn Garden City | Leasehold | 70 m² | £341,000 (2023) |
| 52, Duchess Court, Welwyn Garden City | Leasehold | 62 m² | £308,995 (2018) |
| 53, Duchess Court, Welwyn Garden City | Leasehold | 67 m² | £315,000 (2018) |
| 54, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £324,000 (2023) |
| 55, Duchess Court, Welwyn Garden City | Leasehold | 66 m² | £300,000 (2025) |