| 1 Marlborough Cottages, Holywell Avenue, Whitley Bay | - | 70 m² | - |
| 1 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 72 m² | £175,000 (2009) |
| 1, Holywell Avenue, Whitley Bay | Leasehold | 251 m² | £300,000 (2020) |
| 1A, Holywell Avenue, Whitley Bay | - | 141 m² | - |
| 2 Marlborough House, Holywell Avenue, Whitley Bay, Whitley Bay | Leasehold | 71 m² | £195,000 (2003) |
| 3 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 45 m² | £115,500 (2018) |
| 3, Holywell Avenue, Whitley Bay | Freehold | 199 m² | £690,000 (2010) |
| 4 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 80 m² | £185,000 (2017) |
| 5 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 77 m² | £299,950 (2025) |
| 5, Holywell Avenue, Whitley Bay | Freehold | 182 m² | £615,000 (2011) |
| 6 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 75 m² | £320,000 (2023) |
| 7 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 98 m² | £262,000 (2025) |
| 8 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 56 m² | £117,000 (2017) |
| 9, Holywell Avenue, Whitley Bay | Freehold | 78 m² | £720,000 (2011) |
| 10 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 120 m² | £262,000 (2017) |
| 11 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 78 m² | £170,000 (2016) |
| 12 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 83 m² | £285,000 (2025) |
| 14 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 44 m² | £123,000 (2018) |
| 15 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 90 m² | £142,000 (2010) |
| 15, Holywell Avenue, Whitley Bay | Freehold | 259 m² | £978,000 (2020) |
| 16 Marlborough House, Holywell Avenue, Whitley Bay | Leasehold | 101 m² | £315,000 (2025) |
| 19, Holywell Avenue, Whitley Bay | Freehold | 287 m² | £682,000 (2015) |
| 23 Holywell Avenue, Whitley Bay | Freehold | 218 m² | £467,500 (2006) |
| 27, Holywell Avenue, Whitley Bay | Freehold | 237 m² | £550,000 (2015) |
| Flat 1 Holywell Mews, 21, Holywell Avenue, Whitley Bay | Leasehold | 64 m² | £166,500 (2019) |
| Flat 3 Holywell Mews, 21, Holywell Avenue, Whitley Bay | Leasehold | 60 m² | £120,000 (2015) |
| Flat 4 Holywell Mews, 21, Holywell Avenue, Whitley Bay | Leasehold | 55 m² | £129,000 (2017) |
| Flat 5 Holywell Mews, 21, Holywell Avenue, Whitley Bay | Leasehold | 62 m² | £215,000 (2023) |
| Flat 6, Holywell Mews, 21 Holywell Avenue, Whitley Bay | Leasehold | 55 m² | £215,000 (2025) |
| Flat 7, Holywell Mews, 21 Holywell Avenue, Whitley Bay | Leasehold | 90 m² | £120,000 (2013) |
| Flat 8, Holywell Mews, 21 Holywell Avenue, Whitley Bay | Leasehold | 75 m² | £220,000 (2024) |
| Flat 9, Holywell Mews, 21 Holywell Avenue, Whitley Bay | Leasehold | 69 m² | £64,250 (1999) |
