| 15 Welldon Crescent, Harrow, Harrow | Leasehold | 64 m² | £190,000 (2005) |
| 15A Welldon Crescent, Harrow, Harrow | Leasehold | 67 m² | £240,000 (2007) |
| 17A Welldon Crescent, Harrow | - | 59 m² | - |
| 19, Welldon Crescent, Harrow | Freehold | 78 m² | £295,000 (2016) |
| 23, Welldon Crescent, Harrow | Freehold | 72 m² | £295,000 (2016) |
| 23A, Welldon Crescent, Harrow | Leasehold | 108 m² | £197,500 (2005) |
| 25 Welldon Crescent, Harrow | - | 56 m² | - |
| 25A Welldon Crescent, Harrow | Leasehold | 60 m² | £182,500 (2004) |
| 27, Welldon Crescent, Harrow | Freehold | 120 m² | £424,500 (2013) |
| 29 Welldon Crescent, Harrow | Leasehold | 58 m² | £375,000 (2022) |
| 29A Welldon Crescent, Harrow | - | 64 m² | - |
| 31, Welldon Crescent, Harrow | Leasehold | 53 m² | £360,000 (2022) |
| 31A, Welldon Crescent, Harrow | Leasehold | 95 m² | £411,000 (2021) |
| 33A, Welldon Crescent, Harrow | Leasehold | 60 m² | £340,000 (2016) |
| 33B Welldon Crescent, Harrow | Leasehold | 68 m² | £88,000 (1999) |
| 35 Welldon Crescent, Harrow | Freehold | 157 m² | £328,800 (2006) |
| 37 Welldon Crescent, Harrow | Freehold | 163 m² | £199,250 (2001) |
| 39 Welldon Crescent, Harrow | Leasehold | 73 m² | £214,950 (2006) |
| 39A, Welldon Crescent, Harrow | Leasehold | 90 m² | £455,000 (2025) |
| 41, Welldon Crescent, Harrow | - | 116 m² | - |
| 43 Welldon Crescent, Harrow | Leasehold | 81 m² | £419,000 (2022) |
| 43A Welldon Crescent, Harrow | Leasehold | 51 m² | £130,000 (2002) |
| 45, Welldon Crescent, Harrow | Freehold | 118 m² | £100,000 (1998) |
| 47A, Welldon Crescent, Harrow | Leasehold | 52 m² | £86,000 (1999) |
| 47B, Welldon Crescent, Harrow | Leasehold | 60 m² | £350,000 (2024) |
| 49 Welldon Crescent, Harrow | Leasehold | 54 m² | £170,000 (2005) |
| 49A, Welldon Crescent, Harrow | Leasehold | 54 m² | £145,000 (2002) |
| 51A Welldon Crescent, Harrow | - | 55 m² | - |
| 51B, Welldon Crescent, Harrow | Freehold | 59 m² | £68,950 (1997) |
| 55, Welldon Crescent, Harrow | Leasehold | 53 m² | £315,000 (2016) |
| 55A Welldon Crescent, Harrow | - | 60 m² | - |
| 57 Welldon Crescent, Harrow | Freehold | 107 m² | £665,000 (2023) |
| 59 Welldon Crescent, Harrow | - | 117 m² | - |