| 1 Poppyfields, Welwyn Garden City | Leasehold | 49 m² | £52,460 (1999) |
| 2, Poppyfields, Welwyn Garden City | Leasehold | 48 m² | £225,000 (2024) |
| 3 Poppyfields, Welwyn Garden City | - | 51 m² | - |
| 4 Poppyfields, Welwyn Garden City | Leasehold | 46 m² | £245,000 (2024) |
| 5 Poppyfields, Welwyn Garden City | - | 46 m² | - |
| 8, Poppyfields, Welwyn Garden City | Leasehold | 48 m² | £43,750 (1997) |
| 10, Poppyfields, Welwyn Garden City | Freehold | 65 m² | £285,000 (2014) |
| 11 Poppyfields, Welwyn Garden City | Freehold | 74 m² | £370,000 (2018) |
| 12, Poppyfields, Welwyn Garden City | Freehold | 60 m² | £285,000 (2016) |
| 14, Poppyfields, Welwyn Garden City | Freehold | 60 m² | £235,000 (2014) |
| 15 Poppyfields, Welwyn Garden City | - | 66 m² | - |
| 16 Poppyfields, Welwyn Garden City | Freehold | 71 m² | £400,000 (2025) |
| 17, Poppyfields, Welwyn Garden City | Freehold | 61 m² | £198,000 (2013) |
| 18, Poppyfields, Welwyn Garden City | Freehold | 60 m² | £295,000 (2019) |
| 19 Poppyfields, Welwyn Garden City | - | 68 m² | - |
| 22 Poppyfields, Welwyn Garden City, Welwyn Garden City | Leasehold | 50 m² | £265,000 (2026) |
| 23, Poppyfields, Welwyn Garden City | Freehold | 50 m² | £220,000 (2017) |
| 24, Poppyfields, Welwyn Garden City | Leasehold | 49 m² | £213,000 (2023) |
| 25 Poppyfields, Welwyn Garden City | Leasehold | 50 m² | £145,000 (2013) |
| 26, Poppyfields, Welwyn Garden City | Leasehold | 48 m² | £215,500 (2024) |
| 27 Poppyfields, Welwyn Garden City | Leasehold | 48 m² | £150,000 (2007) |
| 29, Poppyfields, Welwyn Garden City | Leasehold | 46 m² | £51,500 (1998) |
| 30 Poppyfields, Welwyn Garden City | - | 68 m² | - |
| 31, Poppyfields, Welwyn Garden City | Freehold | 66 m² | £345,000 (2020) |
| 32 Poppyfields, Welwyn Garden City | - | 69 m² | - |
| 34, Poppyfields, Welwyn Garden City | Freehold | 97 m² | £375,000 (2015) |
| 35, Poppyfields, Welwyn Garden City | - | 73 m² | - |
| 36, Poppyfields, Welwyn Garden City | Freehold | 54 m² | £460,000 (2021) |
| 37, Poppyfields, Welwyn Garden City | Freehold | 90 m² | £440,000 (2017) |
| 40 Poppyfields, Welwyn Garden City | - | 76 m² | - |
| 41 Poppyfields, Welwyn Garden City | Freehold | 86 m² | £250,000 (2011) |
| 42, Poppyfields, Welwyn Garden City | Freehold | 82 m² | £85,000 (1997) |
| 44, Poppyfields, Welwyn Garden City | Freehold | 73 m² | £380,000 (2018) |
| 45 Poppyfields, Welwyn Garden City | - | 93 m² | - |
| 46, Poppyfields, Welwyn Garden City | Freehold | 71 m² | £246,500 (2011) |