| 1 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 55 m² | £117,000 (2004) |
| 2 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 52 m² | £110,000 (2004) |
| 3 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 66 m² | £145,000 (2003) |
| 4 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 59 m² | £145,000 (2003) |
| 5 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 93 m² | £162,000 (2020) |
| 6 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 93 m² | £190,000 (2021) |
| 7 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 51 m² | £135,000 (2004) |
| 9 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 76 m² | £180,000 (2005) |
| 10 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 56 m² | £136,000 (2004) |
| 11 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 71 m² | £165,000 (2004) |
| 12 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 80 m² | £199,900 (2024) |
| 13 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 80 m² | £190,000 (2004) |
| 15 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 53 m² | £157,000 (2014) |
| 16 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 70 m² | £172,000 (2017) |
| 17 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 75 m² | £180,000 (2019) |
| 18 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 62 m² | £170,000 (2016) |
| 19 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 92 m² | £190,000 (2024) |
| 20 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 98 m² | £200,000 (2025) |
| 21 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 94 m² | £170,000 (2019) |
| 22 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 78 m² | £158,500 (2009) |
| 23 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 76 m² | £152,500 (2016) |
| 24 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 80 m² | £185,000 (2004) |
| 25 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 84 m² | £175,000 (2003) |
| 26 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 63 m² | £150,000 (2003) |
| 27 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 66 m² | £152,000 (2013) |
| 28 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 60 m² | £172,000 (2004) |
| 29 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 70 m² | £150,000 (2003) |
| 30 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 67 m² | £170,000 (2004) |
| 31 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 53 m² | £120,000 (2004) |
| 32 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 77 m² | £200,000 (2026) |
| 33 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 48 m² | £120,000 (2004) |
| 34 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 89 m² | £164,000 (2015) |
| 35 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 91 m² | £199,995 (2004) |
| 36 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 73 m² | £162,000 (2026) |
| 37 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 80 m² | £177,500 (2019) |
| 38 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 80 m² | £157,000 (2016) |
| 39 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 98 m² | £185,000 (2003) |
| 40 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 74 m² | £178,000 (2021) |
| 41 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 70 m² | £155,000 (2003) |
| 42 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 82 m² | £160,000 (2003) |
| 43 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 70 m² | £175,500 (2005) |
| 44 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 67 m² | £180,000 (2019) |
| 45 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 53 m² | £120,000 (2004) |
| 46 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 78 m² | £195,000 (2025) |
| 47 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 59 m² | £135,000 (2004) |
| 49 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 61 m² | £115,000 (2004) |
| 50 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 75 m² | £170,000 (2003) |
| 51 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 69 m² | £199,950 (2007) |
| 52 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 80 m² | £180,000 (2007) |
| 53 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 99 m² | £184,000 (2025) |
| 54 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 60 m² | £175,000 (2021) |
| 55 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 68 m² | £200,000 (2025) |
| 56 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 75 m² | £156,000 (2016) |
| 57 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 84 m² | £183,000 (2021) |
| 59 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 53 m² | £125,000 (2004) |
| 60 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 77 m² | £187,000 (2007) |
| 61 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 53 m² | £130,000 (2022) |
| 62 St Stephens Mansions, Mount Stuart Square, Butetown, Cardiff | Leasehold | 80 m² | £170,000 (2003) |
| 63 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 76 m² | £165,000 (2003) |
| 64 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 86 m² | £215,000 (2004) |
| 66 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 64 m² | £167,950 (2004) |
| 67 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 69 m² | £185,000 (2020) |
| 68 St. Stephens Mansions, Mount Stuart Square, Cardiff | Leasehold | 73 m² | £150,000 (2003) |