| 1, Harcourt Avenue, Harwich | Freehold | 125 m² | £257,000 (2021) |
| 3 Harcourt Avenue, Harwich | Freehold | 90 m² | £235,000 (2025) |
| 5, Harcourt Avenue, Harwich | - | 100 m² | - |
| 8, Harcourt Avenue, Harwich | Freehold | 91 m² | £110,000 (2013) |
| 9, Harcourt Avenue, Harwich | - | 94 m² | - |
| 12, Harcourt Avenue, Harwich | Freehold | 91 m² | £117,500 (2004) |
| 14, Harcourt Avenue, Harwich | Freehold | 92 m² | £133,000 (2016) |
| 16, Harcourt Avenue, Harwich | - | 89 m² | - |
| 19, Harcourt Avenue, Harwich | - | 41 m² | - |
| 21, Harcourt Avenue, Harwich | - | 38 m² | - |
| 23 Harcourt Avenue, Harwich | - | 41 m² | - |
| 24, Harcourt Avenue, Harwich | - | 102 m² | - |
| 25 Harcourt Avenue, Harwich | - | 40 m² | - |
| 26, Harcourt Avenue, Harwich | Freehold | 91 m² | £162,500 (2017) |
| 27 Harcourt Avenue, Harwich | - | 41 m² | - |
| 29, Harcourt Avenue, Harwich | - | 38 m² | - |
| 31, Harcourt Avenue, Harwich | - | 40 m² | - |
| 32 Harcourt Avenue, Harwich | - | 91 m² | - |
| 33, Harcourt Avenue, Harwich | - | 37 m² | - |
| 35, Harcourt Avenue, Harwich | - | 39 m² | - |
| 37, Harcourt Avenue, Harwich | - | 38 m² | - |
| 39 Harcourt Avenue, Harwich | - | 39 m² | - |
| 40 Harcourt Avenue, Harwich | Freehold | 89 m² | £155,000 (2016) |
| 42 Harcourt Avenue, Harwich | Freehold | 85 m² | £182,500 (2025) |
| 43, Harcourt Avenue, Harwich | - | 40 m² | - |
| 45, Harcourt Avenue, Harwich | - | 38 m² | - |
| 46, Harcourt Avenue, Harwich | Freehold | 109 m² | £260,000 (2019) |
| 48 Harcourt Avenue, Harwich | Freehold | 83 m² | £240,000 (2022) |
| 49, Harcourt Avenue, Harwich | - | 37 m² | - |
| 50, Harcourt Avenue, Harwich | Freehold | 85 m² | £36,500 (1996) |
| 51, Harcourt Avenue, Harwich | - | 93 m² | - |
| 52 Harcourt Avenue, Harwich | Freehold | 98 m² | £101,300 (2009) |
| 54, Harcourt Avenue, Harwich | - | 92 m² | - |
| 56, Harcourt Avenue, Harwich | Freehold | 92 m² | £140,000 (2012) |
| 57 Harcourt Avenue, Harwich | Freehold | 92 m² | £219,000 (2024) |
| 59 Harcourt Avenue, Harwich | - | 92 m² | - |
| 61, Harcourt Avenue, Harwich | - | 91 m² | - |