| 2 Mark Avenue, Horncastle | Freehold | 133 m² | £170,000 (2019) |
| 4 Mark Avenue, Horncastle | Freehold | 76 m² | £182,500 (2018) |
| 5, Mark Avenue, Horncastle | Freehold | 65 m² | £157,000 (2010) |
| 6 Mark Avenue, Horncastle | Freehold | 68 m² | £165,000 (2022) |
| 9, Mark Avenue, Horncastle | Freehold | 86 m² | £167,500 (2010) |
| 10, Mark Avenue, Horncastle | Freehold | 75 m² | £155,000 (2020) |
| 17, Mark Avenue, Horncastle | Freehold | 73 m² | £160,000 (2019) |
| 18 Mark Avenue, Horncastle | Freehold | 71 m² | £220,000 (2023) |
| 19, Mark Avenue, Horncastle | Freehold | 71 m² | £128,000 (2015) |
| 20, Mark Avenue, Horncastle | Freehold | 75 m² | £162,000 (2013) |
| 22, Mark Avenue, Horncastle | Freehold | 93 m² | £175,000 (2017) |
| 23 Mark Avenue, Horncastle | Freehold | 51 m² | £180,000 (2023) |
| 25 Mark Avenue, Horncastle | Freehold | 64 m² | £170,000 (2022) |
| 27, Mark Avenue, Horncastle | Freehold | 53 m² | £117,000 (2011) |
| 28, Mark Avenue, Horncastle | Freehold | 103 m² | £250,000 (2022) |
| 29 Mark Avenue, Horncastle | - | 53 m² | - |
| 30, Mark Avenue, Horncastle | Freehold | 81 m² | £175,000 (2015) |
| 31, Mark Avenue, Horncastle | Freehold | 161 m² | £185,500 (2009) |
| 32, Mark Avenue, Horncastle | Freehold | 66 m² | £175,000 (2008) |
| 35 Mark Avenue, Horncastle | Freehold | 85 m² | £225,000 (2024) |
| 36 Mark Avenue, Horncastle | Freehold | 85 m² | £172,000 (2024) |
| 37, Mark Avenue, Horncastle | Freehold | 74 m² | £170,000 (2021) |
| 39, Mark Avenue, Horncastle | Freehold | 72 m² | £135,000 (2013) |
| 40 Mark Avenue, Horncastle | Freehold | 83 m² | £195,000 (2023) |
| 41, Mark Avenue, Horncastle | Freehold | 59 m² | £133,500 (2009) |
| 42, Mark Avenue, Horncastle | Freehold | 52 m² | £160,000 (2024) |
| 43 Mark Avenue, Horncastle | Freehold | 62 m² | £135,000 (2009) |
| 44, Mark Avenue, Horncastle | - | 53 m² | - |
| 45 Mark Avenue, Horncastle | - | 72 m² | - |
| 46 Mark Avenue, Horncastle | Freehold | 77 m² | £128,500 (2010) |
| 48, Mark Avenue, Horncastle | Freehold | 64 m² | £180,000 (2019) |
| 49 Mark Avenue, Horncastle | Freehold | 65 m² | £62,000 (2000) |
| 50 Mark Avenue, Horncastle | - | 53 m² | - |
| 51, Mark Avenue, Horncastle | Freehold | 106 m² | £250,000 (2018) |
| 54 Mark Avenue, Horncastle, Horncastle | Freehold | 75 m² | £230,000 (2025) |
| 56 Mark Avenue, Horncastle, Horncastle | Freehold | 70 m² | £173,000 (2020) |
| 58, Mark Avenue, Horncastle | Freehold | 59 m² | £119,500 (2009) |
| 60, Mark Avenue, Horncastle | Freehold | 78 m² | £187,500 (2019) |
| 62 Mark Avenue, Horncastle | Freehold | 72 m² | £250,000 (2024) |
| 64, Mark Avenue, Horncastle | Freehold | 82 m² | £79,950 (2001) |
| 66, Mark Avenue, Horncastle | Freehold | 58 m² | £145,000 (2017) |
| 68, Mark Avenue, Horncastle | Freehold | 163 m² | £210,000 (2010) |
| 70, Mark Avenue, Horncastle | Freehold | 70 m² | £145,000 (2016) |
| 72, Mark Avenue, Horncastle | Freehold | 69 m² | £240,000 (2023) |
| 74, Mark Avenue, Horncastle | Freehold | 107 m² | £247,000 (2018) |