| 1 The Waterfront, Welham Street, Grantham | Leasehold | 76 m² | £135,000 (2015) |
| 2 The Waterfront, Welham Street, Grantham | Leasehold | 76 m² | £162,500 (2025) |
| 4 The Waterfront, Welham Street, Grantham | Leasehold | 84 m² | £180,000 (2008) |
| 5 The Waterfront, Welham Street, Grantham | Leasehold | 73 m² | £143,000 (2014) |
| 6 The Waterfront, Welham Street, Grantham, Grantham | Leasehold | 73 m² | £140,000 (2023) |
| 7 The Waterfront, Welham Street, Grantham | Leasehold | 47 m² | £53,720 (2007) |
| 8 The Waterfront, Welham Street, Grantham | - | 44 m² | - |
| 9 The Waterfront, Welham Street, Grantham | - | 43 m² | - |
| 11 The Waterfront, Welham Street, Grantham | - | 70 m² | - |
| 12 The Waterfront, Welham Street, Grantham | Leasehold | 93 m² | £140,000 (2008) |
| 13 The Waterfront, Welham Street, Grantham, Grantham | Leasehold | 77 m² | £137,000 (2008) |
| 14 The Waterfront, Welham Street, Grantham | - | 38 m² | - |
| 15 The Waterfront, Welham Street, Grantham | Leasehold | 77 m² | £113,600 (2008) |
| 16 The Waterfront, Welham Street, Grantham | Leasehold | 74 m² | £114,750 (2008) |
| 17 The Waterfront, Welham Street, Grantham | Leasehold | 37 m² | £99,000 (2008) |
| 18 The Waterfront, Welham Street, Grantham | Leasehold | 66 m² | £145,000 (2015) |
| 19 The Waterfront, Welham Street, Grantham | Leasehold | 100 m² | £165,000 (2025) |
| 20 The Waterfront, Welham Street, Grantham | Leasehold | 36 m² | £115,000 (2026) |
| 21 The Waterfront, Welham Street, Grantham | Leasehold | 23 m² | £60,000 (2015) |
| 22 The Waterfront, Welham Street, Grantham | Leasehold | 81 m² | £140,000 (2021) |
| 23 The Waterfront, Welham Street, Grantham | Leasehold | 84 m² | £119,000 (2014) |
| 24 The Waterfront, Welham Street, Grantham | - | 59 m² | - |
| 25 The Waterfront, Welham Street, Grantham | - | 57 m² | - |
| 26 The Waterfront, Welham Street, Grantham | Leasehold | 72 m² | £126,400 (2008) |
| 27 The Waterfront, Welham Street, Grantham | Leasehold | 84 m² | £129,950 (2016) |
| 28 The Waterfront, Welham Street, Grantham | - | 61 m² | - |
| 29 The Waterfront, Welham Street, Grantham | - | 56 m² | - |
| 30 The Waterfront, Welham Street, Grantham | Leasehold | 166 m² | £167,500 (2021) |
| 31 The Waterfront, Welham Street, Grantham | Leasehold | 101 m² | £136,000 (2024) |
| 32 The Waterfront, Welham Street, Grantham | Leasehold | 49 m² | £66,510 (2008) |
| 33 The Waterfront, Welham Street, Grantham | - | 63 m² | - |
| 34 The Waterfront, Welham Street, Grantham | Leasehold | 62 m² | £94,000 (2022) |
| 35 The Waterfront, Welham Street, Grantham | Leasehold | 80 m² | £135,000 (2019) |
| 36 The Waterfront, Welham Street, Grantham | Leasehold | 50 m² | £142,250 (2025) |
| 37 The Waterfront, Welham Street, Grantham, Grantham | Leasehold | 66 m² | £142,250 (2022) |
| 38 The Waterfront, Welham Street, Grantham | Leasehold | 46 m² | £75,000 (2021) |
| 39 The Waterfront, Welham Street, Grantham | Leasehold | 62 m² | £106,400 (2007) |
| 40 The Waterfront, Welham Street, Grantham | Leasehold | 50 m² | £82,400 (2007) |
| 41 The Waterfront, Welham Street, Grantham | - | 34 m² | - |
| 42 The Waterfront, Welham Street, Grantham | Leasehold | 80 m² | £140,000 (2020) |
| 43 The Waterfront, Welham Street, Grantham | Leasehold | 55 m² | £129,000 (2022) |
| 44 The Waterfront, Welham Street, Grantham | Leasehold | 65 m² | £134,000 (2019) |
| 45 The Waterfront, Welham Street, Grantham | Leasehold | 48 m² | £70,000 (2022) |
| 46 The Waterfront, Welham Street, Grantham | Leasehold | 66 m² | £106,400 (2007) |
| 47 The Waterfront, Welham Street, Grantham | Leasehold | 50 m² | £84,000 (2007) |
| 48 The Waterfront, Welham Street, Grantham | Leasehold | 61 m² | £114,300 (2007) |
| 49 The Waterfront, Welham Street, Grantham | Leasehold | 73 m² | £129,000 (2015) |
| 50 The Waterfront, Welham Street, Grantham | Leasehold | 46 m² | £122,500 (2021) |
| 51 The Waterfront, Welham Street, Grantham | Leasehold | 65 m² | £130,000 (2020) |
| 52 The Waterfront, Welham Street, Grantham, Grantham | Leasehold | 48 m² | £64,000 (2017) |
| 53 The Waterfront, Welham Street, Grantham, Grantham | Leasehold | 61 m² | £132,995 (2022) |
| 54 The Waterfront, Welham Street, Grantham | Leasehold | 77 m² | £135,000 (2023) |
| 55 The Waterfront, Welham Street, Grantham | Leasehold | 65 m² | £101,600 (2007) |
| 56 The Waterfront, Welham Street, Grantham | Leasehold | 99 m² | £125,000 (2009) |
| 57 The Waterfront, Welham Street, Grantham | Leasehold | 139 m² | £215,000 (2017) |
| 58 The Waterfront, Welham Street, Grantham | Leasehold | 60 m² | £110,500 (2007) |