| 1, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £320,000 (2022) |
| 2, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £299,995 (2019) |
| 3, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £330,000 (2018) |
| 4, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £310,000 (2025) |
| 5, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £310,000 (2019) |
| 6, Birkin Court, Welwyn Garden City | Leasehold | 68 m² | £310,000 (2025) |
| 7, Birkin Court, Welwyn Garden City | Leasehold | 77 m² | £300,000 (2021) |
| 8, Birkin Court, Welwyn Garden City | Leasehold | 77 m² | £355,000 (2022) |
| 9, Birkin Court, Welwyn Garden City | Leasehold | 77 m² | £329,000 (2023) |
| 10, Birkin Court, Welwyn Garden City | Leasehold | 77 m² | £335,000 (2021) |
| 11, Birkin Court, Welwyn Garden City | Leasehold | 77 m² | £347,500 (2020) |
| 12, Birkin Court, Welwyn Garden City | Freehold | 117 m² | £490,000 (2018) |
| 13, Birkin Court, Welwyn Garden City | Freehold | 132 m² | £662,500 (2024) |
| 14, Birkin Court, Welwyn Garden City | Freehold | 132 m² | £625,000 (2022) |
| 15, Birkin Court, Welwyn Garden City | Freehold | 117 m² | £480,000 (2018) |
| 16, Birkin Court, Welwyn Garden City | Freehold | 117 m² | £525,000 (2026) |
| 17, Birkin Court, Welwyn Garden City | Freehold | 132 m² | £550,000 (2018) |
| 18, Birkin Court, Welwyn Garden City | Freehold | 117 m² | £495,000 (2018) |
| 19, Birkin Court, Welwyn Garden City | Freehold | 117 m² | £534,000 (2023) |