| 1 Cypress Avenue, Welwyn Garden City | Freehold | 122 m² | £237,950 (1999) |
| 2, Cypress Avenue, Welwyn Garden City | Freehold | 128 m² | £630,000 (2021) |
| 3, Cypress Avenue, Welwyn Garden City | Freehold | 118 m² | £524,000 (2014) |
| 6, Cypress Avenue, Welwyn Garden City | Freehold | 139 m² | £370,000 (2011) |
| 8 Cypress Avenue, Welwyn Garden City | Freehold | 130 m² | £710,000 (2025) |
| 11 Cypress Avenue, Welwyn Garden City | Freehold | 84 m² | £185,000 (2000) |
| 17, Cypress Avenue, Welwyn Garden City | Freehold | 101 m² | £445,000 (2015) |
| 18 Cypress Avenue, Welwyn Garden City | Freehold | 129 m² | £192,950 (1998) |
| 19 Cypress Avenue, Welwyn Garden City | Freehold | 79 m² | £249,500 (2003) |
| 20, Cypress Avenue, Welwyn Garden City | Freehold | 86 m² | £430,000 (2018) |
| 24, Cypress Avenue, Welwyn Garden City | Freehold | 109 m² | £610,000 (2018) |
| 25 Cypress Avenue, Welwyn Garden City, Welwyn Garden City | Freehold | 76 m² | £292,000 (2011) |
| 26, Cypress Avenue, Welwyn Garden City | Freehold | 115 m² | £635,000 (2021) |
| 29, Cypress Avenue, Welwyn Garden City | Freehold | 79 m² | £470,000 (2018) |
| 30, Cypress Avenue, Welwyn Garden City | Freehold | 128 m² | £623,000 (2019) |
| 35, Cypress Avenue, Welwyn Garden City | Freehold | 98 m² | £327,000 (2009) |
| 36, Cypress Avenue, Welwyn Garden City | - | 46 m² | - |
| 38, Cypress Avenue, Welwyn Garden City | - | 45 m² | - |
| 39, Cypress Avenue, Welwyn Garden City | Freehold | 121 m² | £348,000 (2002) |
| 40 Cypress Avenue, Welwyn Garden City | - | 46 m² | - |
| 41, Cypress Avenue, Welwyn Garden City | Freehold | 124 m² | £350,000 (2010) |
| 42, Cypress Avenue, Welwyn Garden City | - | 45 m² | - |
| 43, Cypress Avenue, Welwyn Garden City | Freehold | 110 m² | £570,000 (2018) |
| 44, Cypress Avenue, Welwyn Garden City | - | 45 m² | - |
| 45, Cypress Avenue, Welwyn Garden City | Freehold | 138 m² | £387,500 (2012) |
| 46, Cypress Avenue, Welwyn Garden City | - | 45 m² | - |
| 48 Cypress Avenue, Welwyn Garden City | - | 44 m² | - |
| 49 Cypress Avenue, Welwyn Garden City | Freehold | 80 m² | £500,000 (2024) |
| 50, Cypress Avenue, Welwyn Garden City | - | 49 m² | - |
| 51, Cypress Avenue, Welwyn Garden City | Freehold | 107 m² | £260,000 (2011) |
| 55 Cypress Avenue, Welwyn Garden City | Freehold | 100 m² | £275,000 (2006) |