| 90, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £299,995 (2019) |
| 92, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 99 m² | £250,000 (2018) |
| 94, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 99 m² | £250,000 (2018) |
| 96, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £219,995 (2018) |
| 98, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £275,000 (2026) |
| 100, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £296,995 (2018) |
| 102, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £219,995 (2018) |
| 104, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £178,500 (2018) |
| 106, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £240,000 (2025) |
| 108, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £218,500 (2021) |
| 110, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £220,000 (2023) |
| 112, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £214,995 (2018) |
| 114, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 78 m² | £100,000 (2024) |
| 116, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 78 m² | £335,000 (2024) |
| 118, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £340,000 (2025) |
| 120, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £282,500 (2018) |
| 122, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £294,000 (2018) |
| 124, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £224,995 (2018) |
| 126, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £285,000 (2024) |
| 128, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £262,000 (2022) |
| 130, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £224,995 (2018) |
| 132, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £270,000 (2022) |
| 134, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £270,000 (2022) |
| 136, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £340,000 (2022) |
| 138, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £282,500 (2018) |
| 140, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £369,950 (2023) |
| 142, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £325,000 (2024) |
| 144, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 90 m² | £282,500 (2018) |
| 146, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £219,995 (2018) |
| 148, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £193,000 (2020) |
| 150, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 59 m² | £179,995 (2018) |
| 152, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £219,995 (2018) |
| 154, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 102 m² | £299,995 (2018) |
| 156, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 93 m² | £285,995 (2018) |
| 158, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £270,000 (2024) |
| 160, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £260,000 (2021) |
| 162, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £374,000 (2025) |
| 164, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £219,995 (2018) |
| 166, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £289,950 (2025) |
| 168, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 113 m² | £296,995 (2018) |
| 170, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 93 m² | £287,495 (2018) |
| 172, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 93 m² | £289,995 (2018) |
| 174, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 99 m² | £259,995 (2021) |
| 176, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 99 m² | £306,000 (2024) |
| 178, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £219,995 (2019) |
| 180, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £220,000 (2019) |
| 182, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £210,000 (2019) |
| 184, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £224,995 (2019) |
| 186, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £290,000 (2025) |
| 188, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 71 m² | £290,000 (2022) |
| 190, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £280,000 (2022) |
| 192, Mortimer Avenue, Old St. Mellons, Cardiff | Freehold | 94 m² | £214,995 (2020) |