| 14 Hornbeam Spring, Knebworth | - | 52 m² | - |
| 17 Hornbeam Spring, Knebworth | - | 92 m² | - |
| 18 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 19, Hornbeam Spring, Knebworth | Freehold | 76 m² | £249,950 (2014) |
| 20, Hornbeam Spring, Knebworth | - | 64 m² | - |
| 21 Hornbeam Spring, Knebworth | - | 92 m² | - |
| 22 Hornbeam Spring, Knebworth | Freehold | 138 m² | £599,000 (2023) |
| 23 Hornbeam Spring, Knebworth | - | 92 m² | - |
| 24 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 25 Hornbeam Spring, Knebworth | Freehold | 92 m² | £500,000 (2023) |
| 26 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 27 Hornbeam Spring, Knebworth | Freehold | 77 m² | £465,000 (2025) |
| 28 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 30 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 31, Hornbeam Spring, Knebworth | Freehold | 79 m² | £365,000 (2018) |
| 32 Hornbeam Spring, Knebworth | - | 70 m² | - |
| 34, Hornbeam Spring, Knebworth | Freehold | 97 m² | £425,000 (2016) |
| 36, Hornbeam Spring, Knebworth | Freehold | 80 m² | £264,000 (2014) |
| 38A, Hornbeam Spring, Knebworth | - | 94 m² | - |
| 40 Hornbeam Spring, Knebworth | Freehold | 100 m² | £550,000 (2024) |
| 42 Hornbeam Spring, Knebworth | Freehold | 118 m² | £380,000 (2018) |
| 44, Hornbeam Spring, Knebworth | Freehold | 147 m² | £475,000 (2015) |
| 48, Hornbeam Spring, Knebworth | Freehold | 88 m² | £365,000 (2019) |
