| 1 Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £235,000 (2021) |
| 2 Sunningdale Mews, Welwyn Garden City | Leasehold | 34 m² | £207,000 (2025) |
| 4, Sunningdale Mews, Welwyn Garden City | Leasehold | 34 m² | £36,250 (1996) |
| 5, Sunningdale Mews, Welwyn Garden City | - | 32 m² | - |
| 6 Sunningdale Mews, Welwyn Garden City | - | 32 m² | - |
| 7, Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £153,000 (2015) |
| 8, Sunningdale Mews, Welwyn Garden City | Leasehold | 32 m² | £184,000 (2022) |
| 9, Sunningdale Mews, Welwyn Garden City | - | 31 m² | - |
| 10 Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £99,000 (2004) |
| 11, Sunningdale Mews, Welwyn Garden City | - | 33 m² | - |
| 12, Sunningdale Mews, Welwyn Garden City | - | 33 m² | - |
| 14 Sunningdale Mews, Welwyn Garden City, Welwyn Garden City | Leasehold | 33 m² | £51,500 (1999) |
| 15, Sunningdale Mews, Welwyn Garden City | Leasehold | 33 m² | £134,000 (2014) |
| 16, Sunningdale Mews, Welwyn Garden City | - | 33 m² | - |
| 17, Sunningdale Mews, Welwyn Garden City | - | 27 m² | - |
| 18, Sunningdale Mews, Welwyn Garden City | Leasehold | 36 m² | £75,000 (2002) |
| 19 Sunningdale Mews, Welwyn Garden City, Welwyn Garden City | Leasehold | 32 m² | £107,000 (2006) |
| 20 Sunningdale Mews, Welwyn Garden City, Welwyn Garden City | Leasehold | 32 m² | £182,000 (2022) |
| 22 Sunningdale Mews, Welwyn Garden City | Leasehold | 32 m² | £200,000 (2019) |
| 23 Sunningdale Mews, Welwyn Garden City | Leasehold | 30 m² | £153,000 (2016) |
| 24, Sunningdale Mews, Welwyn Garden City | - | 32 m² | - |
| 25, Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £191,000 (2019) |
| 26 Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £92,950 (2002) |
| 27, Sunningdale Mews, Welwyn Garden City | Leasehold | 32 m² | £155,000 (2026) |
| 28, Sunningdale Mews, Welwyn Garden City | Leasehold | 31 m² | £129,000 (2007) |
| 29, Sunningdale Mews, Welwyn Garden City | Leasehold | 32 m² | £45,000 (1998) |
| 30, Sunningdale Mews, Welwyn Garden City | Leasehold | 32 m² | £190,000 (2021) |
| 31 Sunningdale Mews, Welwyn Garden City, Welwyn Garden City | Leasehold | 32 m² | £45,000 (1998) |