| 1A, Parkway Gardens, Welwyn Garden City | Freehold | 114 m² | £513,000 (2013) |
| 1B, Parkway Gardens, Welwyn Garden City | Freehold | 114 m² | £525,000 (2013) |
| 3, Parkway Gardens, Welwyn Garden City | Freehold | 62 m² | £416,000 (2021) |
| 5, Parkway Gardens, Welwyn Garden City | Freehold | 71 m² | £150,000 (1998) |
| 6 Parkway Gardens, Welwyn Garden City | Freehold | 73 m² | £590,000 (2023) |
| 7, Parkway Gardens, Welwyn Garden City | Freehold | 70 m² | £480,000 (2017) |
| 8, Parkway Gardens, Welwyn Garden City | Freehold | 72 m² | £505,000 (2017) |
| 10 Parkway Gardens, Welwyn Garden City | Freehold | 93 m² | £392,500 (2014) |
| 11, Parkway Gardens, Welwyn Garden City | Leasehold | 39 m² | £249,500 (2019) |
| 12, Parkway Gardens, Welwyn Garden City | Leasehold | 48 m² | £255,000 (2017) |
| 14, Parkway Gardens, Welwyn Garden City | Leasehold | 50 m² | £127,000 (2002) |
| 16, Parkway Gardens, Welwyn Garden City | Leasehold | 53 m² | £255,000 (2017) |
| 17, Parkway Gardens, Welwyn Garden City | Leasehold | 51 m² | £260,000 (2021) |
| 18, Parkway Gardens, Welwyn Garden City | Leasehold | 40 m² | £255,000 (2026) |
| 19 Parkway Gardens, Welwyn Garden City | Leasehold | 45 m² | £107,995 (2001) |
| 21 Parkway Gardens, Welwyn Garden City | Leasehold | 45 m² | £261,000 (2016) |
| 22, Parkway Gardens, Welwyn Garden City | Leasehold | 52 m² | £267,000 (2025) |
| 23, Parkway Gardens, Welwyn Garden City | Leasehold | 49 m² | £255,000 (2019) |
| 24 Parkway Gardens, Welwyn Garden City | Leasehold | 41 m² | £180,000 (2014) |
| 25 Parkway Gardens, Welwyn Garden City, Welwyn Garden City | Leasehold | 51 m² | £246,510 (2020) |
| 26 Parkway Gardens, Welwyn Garden City | Leasehold | 50 m² | £136,950 (2002) |
| 27, Parkway Gardens, Welwyn Garden City | Leasehold | 39 m² | £265,000 (2018) |
| 28, Parkway Gardens, Welwyn Garden City | Freehold | 71 m² | £415,000 (2015) |
| 29 Parkway Gardens, Welwyn Garden City, Welwyn Garden City | Freehold | 69 m² | £370,000 (2010) |
| 30 Parkway Gardens, Welwyn Garden City | Freehold | 71 m² | £615,000 (2026) |
| 31 Parkway Gardens, Welwyn Garden City | Freehold | 70 m² | £590,000 (2023) |
| 34, Parkway Gardens, Welwyn Garden City | Leasehold | 43 m² | £167,000 (2012) |
| 35 Parkway Gardens, Welwyn Garden City | Leasehold | 45 m² | £58,450 (1995) |
| 36 Parkway Gardens, Welwyn Garden City | Leasehold | 46 m² | £271,100 (2023) |
| 37, Parkway Gardens, Welwyn Garden City | Leasehold | 46 m² | £280,000 (2023) |
| 38, Parkway Gardens, Welwyn Garden City | Leasehold | 52 m² | £255,000 (2018) |
| 39, Parkway Gardens, Welwyn Garden City | Leasehold | 56 m² | £300,000 (2023) |
| 40 Parkway Gardens, Welwyn Garden City | Leasehold | 47 m² | £121,000 (2002) |
| 41, Parkway Gardens, Welwyn Garden City | Leasehold | 54 m² | £260,000 (2017) |
| 42 Parkway Gardens, Welwyn Garden City | Leasehold | 44 m² | £251,599 (2016) |
| 43 Parkway Gardens, Welwyn Garden City | Leasehold | 49 m² | £155,000 (2005) |
| 44, Parkway Gardens, Welwyn Garden City | Leasehold | 49 m² | £260,000 (2017) |
| 45, Parkway Gardens, Welwyn Garden City | - | 48 m² | - |