| Beaumont House, 31, Cole Green Lane, Welwyn Garden City | Leasehold | 82 m² | £175,000 (2006) |
| Flat 1 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 59 m² | £255,000 (2018) |
| Flat 2 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 61 m² | £270,000 (2018) |
| Flat 3, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 60 m² | £262,500 (2023) |
| Flat 4 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 64 m² | £164,000 (2013) |
| Flat 5 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 53 m² | £168,500 (2010) |
| Flat 6, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 54 m² | £123,000 (2025) |
| Flat 7, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 63 m² | £274,000 (2025) |
| Flat 8, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 63 m² | £240,000 (2016) |
| Flat 9, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 74 m² | - |
| Flat 10, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 56 m² | - |
| Flat 11, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 58 m² | £160,000 (2005) |
| Flat 12 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 68 m² | £267,500 (2023) |
| Flat 13 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 80 m² | £265,000 (2018) |
| Flat 14 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 60 m² | £257,000 (2023) |
| Flat 15 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 62 m² | £169,500 (2011) |
| Flat 17, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 70 m² | £167,000 (2008) |
| Flat 19, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 74 m² | - |
| Flat 20, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 74 m² | - |
| Flat 21 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 59 m² | £267,500 (2023) |
| Flat 22, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 59 m² | £268,500 (2022) |
| Flat 23 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 72 m² | £255,000 (2020) |
| Flat 24, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 70 m² | £255,000 (2022) |
| Flat 25 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 59 m² | £160,000 (2010) |
| Flat 26 Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 59 m² | £250,000 (2021) |
| Flat 27, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 69 m² | £167,000 (2006) |
| Flat 28, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 63 m² | £162,500 (2012) |
| Flat 29, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 74 m² | - |
| Flat 30, Beaumont House, Cole Green Lane, Welwyn Garden City | - | 74 m² | - |
| Flat 32, Beaumont House, Cole Green Lane, Welwyn Garden City | Leasehold | 70 m² | £260,000 (2021) |