| 1A Duchess Street, Whitley Bay | Freehold | 44 m² | £78,000 (2005) |
| 4, Duchess Street, Whitley Bay | Freehold | 101 m² | £280,000 (2022) |
| 5, Duchess Street, Whitley Bay | - | 82 m² | - |
| 6 Duchess Street, Whitley Bay | Freehold | 91 m² | £275,000 (2025) |
| 8, Duchess Street, Whitley Bay | - | 78 m² | - |
| 10, Duchess Street, Whitley Bay | Freehold | 83 m² | £151,500 (2019) |
| 11, Duchess Street, Whitley Bay | Freehold | 101 m² | £171,610 (2015) |
| 12, Duchess Street, Whitley Bay | Freehold | 81 m² | £170,000 (2019) |
| 13 Duchess Street, Whitley Bay, Whitley Bay | - | 88 m² | - |
| 14 Duchess Street, Whitley Bay | Freehold | 97 m² | £255,000 (2023) |
| 16, Duchess Street, Whitley Bay | Freehold | 101 m² | £198,000 (2019) |
| 17, Duchess Street, Whitley Bay | Freehold | 72 m² | £177,700 (2015) |
| 18 Duchess Street, Whitley Bay | Freehold | 97 m² | £275,000 (2021) |
| 20 Duchess Street, Whitley Bay, Whitley Bay | Freehold | 95 m² | £248,500 (2021) |
| 21, Duchess Street, Whitley Bay | Freehold | 93 m² | £145,000 (2018) |
| 22 Duchess Street, Whitley Bay | Freehold | 82 m² | £48,950 (1999) |
| 23, Duchess Street, Whitley Bay | Freehold | 91 m² | £296,500 (2025) |
| 24 Duchess Street, Whitley Bay | Freehold | 92 m² | £221,500 (2021) |
| 27, Duchess Street, Whitley Bay | Freehold | 87 m² | £165,000 (2017) |
| 29, Duchess Street, Whitley Bay | Freehold | 83 m² | £265,000 (2025) |
| 30 Duchess Street, Whitley Bay | Freehold | 100 m² | £330,000 (2024) |
| 32 Duchess Street, Whitley Bay | Freehold | 75 m² | £132,000 (2003) |
| 34 Duchess Street, Whitley Bay | Freehold | 95 m² | £293,000 (2023) |
| 36 Duchess Street, Whitley Bay | Freehold | 79 m² | £250,000 (2024) |