| 1, Harriet Street, Penarth | Freehold | 86 m² | £155,000 (2020) |
| 3 Harriet Street, Penarth | Freehold | 96 m² | £230,000 (2023) |
| 4, Harriet Street, Penarth | Freehold | 95 m² | £285,000 (2026) |
| 5, Harriet Street, Penarth | Freehold | 121 m² | £156,000 (2010) |
| 6, Harriet Street, Penarth | Freehold | 101 m² | £160,000 (2019) |
| 7 Harriet Street, Penarth | Freehold | 98 m² | £179,000 (2015) |
| 8 Harriet Street, Penarth | Freehold | 93 m² | £270,000 (2023) |
| 10A Harriet Street, Penarth | - | 43 m² | - |
| 11, Harriet Street, Penarth | Freehold | 67 m² | £204,000 (2018) |
| 12 Harriet Street, Penarth | Freehold | 82 m² | £190,500 (2019) |
| 16, Harriet Street, Penarth | Freehold | 83 m² | £149,000 (2010) |
| 17, Harriet Street, Penarth | Freehold | 83 m² | £220,000 (2019) |
| 20, Harriet Street, Penarth | Freehold | 86 m² | £199,000 (2018) |
| 21 Harriet Street, Penarth | Freehold | 84 m² | £286,000 (2026) |
| 21A, Harriet Street, Penarth | Leasehold | 41 m² | £72,000 (2014) |
| 22A Harriet Street, Penarth | Freehold | 58 m² | £68,000 (2003) |
| 22B Harriet Street, Penarth | Leasehold | 53 m² | £146,000 (2022) |
| 24, Harriet Street, Penarth | Freehold | 86 m² | £120,000 (2014) |
| 25, Harriet Street, Penarth | Freehold | 84 m² | £140,000 (2009) |
| 28 Harriet Street, Penarth | Freehold | 81 m² | £310,000 (2025) |
| 29, Harriet Street, Penarth | Freehold | 87 m² | £232,000 (2024) |
| 30, Harriet Street, Penarth | - | 92 m² | - |
| 31, Harriet Street, Penarth | Freehold | 92 m² | £204,000 (2019) |
| 32 Harriet Street, Penarth | Freehold | 90 m² | £144,000 (2006) |
| 33 Harriet Street, Cogan, Penarth | Freehold | 96 m² | £118,500 (2003) |
| 34, Harriet Street, Penarth | Freehold | 86 m² | £217,500 (2019) |
| 35 Harriet Street, Penarth | Freehold | 85 m² | £256,500 (2024) |
| 37 Harriet Street, Cogan, Penarth, Penarth | Freehold | 85 m² | £145,000 (2019) |
| 41, Harriet Street, Penarth | Freehold | 84 m² | £125,000 (2017) |
| 42, Harriet Street, Penarth | Freehold | 121 m² | £140,000 (2015) |
| 42A, Harriet Street, Penarth | Freehold | 50 m² | £90,000 (2015) |
| Flat A, 1 Harriet Street, Cogan, Penarth | Freehold | 41 m² | £975,000 (2022) |
| Flat B, 1 Harriet Street, Cogan, Penarth | - | 42 m² | - |
| Flat C, 1 Harriet Street, Cogan, Penarth | - | 41 m² | - |
| Flat D, 1 Harriet Street, Cogan, Penarth | - | 33 m² | - |
| Flat E, 1 Harriet Street, Cogan, Penarth | - | 41 m² | - |
| Flat F, 1 Harriet Street, Cogan, Penarth | - | 38 m² | - |
| Flat G, 1 Harriet Street, Cogan, Penarth | - | 42 m² | - |