| 128 Boundary Lane, Welwyn Garden City | Freehold | 99 m² | £495,001 (2025) |
| 130, Boundary Lane, Welwyn Garden City | Freehold | 154 m² | £302,500 (2010) |
| 132, Boundary Lane, Welwyn Garden City | Freehold | 106 m² | £480,000 (2016) |
| 134 Boundary Lane, Welwyn Garden City | Freehold | 98 m² | £450,000 (2023) |
| 138 Boundary Lane, Welwyn Garden City | - | 87 m² | - |
| 144, Boundary Lane, Welwyn Garden City | Freehold | 88 m² | £355,000 (2017) |
| 146 Boundary Lane, Welwyn Garden City | - | 88 m² | - |
| 148, Boundary Lane, Welwyn Garden City | - | 73 m² | - |
| 150 Boundary Lane, Welwyn Garden City | - | 73 m² | - |
| 152 Boundary Lane, Welwyn Garden City | Freehold | 73 m² | £325,000 (2017) |
| 156 Boundary Lane, Welwyn Garden City | - | 70 m² | - |
| 158 Boundary Lane, Welwyn Garden City | Freehold | 84 m² | £460,000 (2023) |
| 160, Boundary Lane, Welwyn Garden City | - | 69 m² | - |
| 162, Boundary Lane, Welwyn Garden City | - | 73 m² | - |
| 164 Boundary Lane, Welwyn Garden City | - | 69 m² | - |
| 166 Boundary Lane, Welwyn Garden City | Freehold | 68 m² | £315,000 (2021) |
| 168, Boundary Lane, Welwyn Garden City | Freehold | 75 m² | £375,000 (2020) |
| 170 Boundary Lane, Welwyn Garden City, Welwyn Garden City | - | 75 m² | - |
| 174 Boundary Lane, Welwyn Garden City | Freehold | 86 m² | £60,000 (1997) |
| 176 Boundary Lane, Welwyn Garden City | Freehold | 71 m² | £91,500 (2000) |
| 178, Boundary Lane, Welwyn Garden City | - | 83 m² | - |
| 184, Boundary Lane, Welwyn Garden City | - | 83 m² | - |
| 190 Boundary Lane, Welwyn Garden City | - | 73 m² | - |
| 192 Boundary Lane, Welwyn Garden City | - | 73 m² | - |
| 196, Boundary Lane, Welwyn Garden City | Freehold | 82 m² | £560,000 (2024) |