| 18 The Octagon, Collett Road, Ware, Ware | Leasehold | 54 m² | £106,500 (2001) |
| 24 The Octagon, Collett Road, Ware, Ware | Leasehold | 42 m² | £128,000 (2003) |
| Flat 1 The Octagon, Collett Road, Ware | Freehold | 41 m² | £106,000 (2022) |
| Flat 1, Greenways, Collett Road, Ware | Leasehold | 57 m² | £250,000 (2015) |
| Flat 2 The Octagon, Collett Road, Ware | Leasehold | 52 m² | £240,000 (2021) |
| Flat 2, Greenways, Collett Road, Ware | Leasehold | 56 m² | £275,000 (2019) |
| Flat 3 The Octagon, Collett Road, Ware | Leasehold | 41 m² | £232,000 (2022) |
| Flat 4, Greenways, Collett Road, Ware | Leasehold | 55 m² | £164,000 (2010) |
| Flat 4, The Octagon, Collett Road, Ware | Leasehold | 55 m² | £239,000 (2025) |
| Flat 5 Greenways, Collett Road, Ware | Leasehold | 56 m² | £165,000 (2010) |
| Flat 5, The Octagon, Collett Road, Ware | Leasehold | 41 m² | £160,000 (2025) |
| Flat 6 Greenways, Collett Road, Ware | Leasehold | 52 m² | £305,000 (2024) |
| Flat 6, The Octagon, Collett Road, Ware | Leasehold | 54 m² | £162,000 (2012) |
| Flat 7, The Octagon, Collett Road, Ware | Leasehold | 34 m² | £190,000 (2022) |
| Flat 8, The Octagon, Collett Road, Ware | Leasehold | 50 m² | £192,000 (2026) |
| Flat 9, The Octagon, Collett Road, Ware | Leasehold | 81 m² | £390,000 (2025) |
| Flat 10, The Octagon, Collett Road, Ware | Leasehold | 55 m² | £248,000 (2021) |
| Flat 11, The Octagon, Collett Road, Ware | Leasehold | 41 m² | £129,995 (2003) |
| Flat 12 The Octagon, Collett Road, Ware | Leasehold | 53 m² | £199,995 (2014) |
| Flat 13, The Octagon, Collett Road, Ware | Leasehold | 41 m² | £210,000 (2023) |
| Flat 14 The Octagon, Collett Road, Ware | Leasehold | 55 m² | £262,500 (2022) |
| Flat 15, The Octagon, Collett Road, Ware | Leasehold | 41 m² | £237,500 (2018) |
| Flat 16 The Octagon, Collett Road, Ware | Leasehold | 67 m² | £235,000 (2019) |
| Flat 19 The Octagon, Collett Road, Ware | Leasehold | 39 m² | £140,000 (2013) |
| Flat 20, The Octagon, Collett Road, Ware | Leasehold | 56 m² | £220,000 (2016) |
| Flat 21 The Octagon, Collett Road, Ware | Leasehold | 42 m² | £190,000 (2026) |
| Flat 23, The Octagon, Collett Road, Ware | Leasehold | 57 m² | £270,000 (2026) |
| Flat 25 The Octagon, Collett Road, Ware | Leasehold | 54 m² | £250,000 (2021) |
| Flat 26 The Octagon, Collett Road, Ware | Leasehold | 41 m² | £159,995 (2007) |
| Flat 27 The Octagon, Collett Road, Ware | Leasehold | 54 m² | £275,000 (2025) |
