| 11, Welbeck Avenue, Southampton | Freehold | 243 m² | £515,000 (2018) |
| 13, Welbeck Avenue, Southampton | Freehold | 189 m² | £320,000 (2008) |
| 19 Welbeck Avenue, Southampton | - | 166 m² | - |
| 21 Welbeck Avenue, Southampton | Freehold | 161 m² | £340,000 (2004) |
| 23, Welbeck Avenue, Southampton | Leasehold | 109 m² | £250,000 (2006) |
| 25, Welbeck Avenue, Southampton | Freehold | 171 m² | £570,000 (2015) |
| 31 Welbeck Avenue, Southampton, Southampton | Leasehold | 172 m² | £698,500 (2021) |
| 33, Welbeck Avenue, Southampton | Freehold | 184 m² | £452,000 (2012) |
| 35, Welbeck Avenue, Southampton | Freehold | 157 m² | £450,000 (2014) |
| 37, Welbeck Avenue, Southampton | Freehold | 153 m² | £510,000 (2017) |
| 45 Welbeck Avenue, Southampton | Freehold | 145 m² | £518,500 (2019) |
| 47 Welbeck Avenue, Southampton | - | 159 m² | - |
| 49, Welbeck Avenue, Southampton | Freehold | 150 m² | £445,000 (2020) |
| 51, Welbeck Avenue, Southampton | Freehold | 149 m² | £365,000 (2008) |
| 53, Welbeck Avenue, Southampton | Freehold | 151 m² | £400,000 (2011) |
| 55, Welbeck Avenue, Southampton | Freehold | 217 m² | £595,000 (2019) |
| 59 Welbeck Avenue, Southampton | Freehold | 190 m² | £140,000 (1998) |
| 65, Welbeck Avenue, Southampton | - | 162 m² | - |
| 67, Welbeck Avenue, Southampton | Freehold | 209 m² | £330,000 (2006) |
| 69 Welbeck Avenue, Southampton | Freehold | 239 m² | £700,000 (2022) |
| 71 Welbeck Avenue, Southampton | Freehold | 303 m² | £109,000 (1995) |
| Flat 1 Welbeck Court, 61-63, Welbeck Avenue, Southampton | Freehold | 51 m² | £120,000 (2023) |
| Flat 2, Welbeck Court 61-63, Welbeck Avenue, Southampton | Leasehold | 59 m² | £122,000 (2015) |
| Flat 3 Welbeck Court, 61-63, Welbeck Avenue, Southampton | Leasehold | 33 m² | £38,500 (1998) |
| Flat 4 Welbeck Court, 61-63, Welbeck Avenue, Southampton | Leasehold | 29 m² | £95,000 (2016) |
| Flat 5, Welbeck Court 61-63, Welbeck Avenue, Southampton | - | 45 m² | - |
| Flat 6 Welbeck Court, 61-63, Welbeck Avenue, Southampton | Leasehold | 63 m² | £120,000 (2024) |
| Flat 7 Welbeck Court, 61-63, Welbeck Avenue, Southampton | - | 32 m² | - |
| Flat 8, Welbeck Court 61-63, Welbeck Avenue, Southampton | Leasehold | 32 m² | £93,000 (2009) |
| Flat 9, Welbeck Court 61-63, Welbeck Avenue, Southampton | Leasehold | 46 m² | £45,950 (2000) |
| Flat 11, Welbeck Court 61-63, Welbeck Avenue, Southampton | Leasehold | 34 m² | £82,500 (2014) |