| 1 Southwells Lane, Horncastle | Freehold | 50 m² | £138,000 (2025) |
| 2, Southwells Lane, Horncastle | Freehold | 41 m² | £69,000 (2020) |
| 3, Southwells Lane, Horncastle | Freehold | 63 m² | £105,500 (2025) |
| 4, Southwells Lane, Horncastle | Freehold | 67 m² | £67,900 (2008) |
| 5 Southwells Lane, Horncastle | - | 69 m² | - |
| 6 Southwells Lane, Horncastle | - | 67 m² | - |
| 7 Southwells Lane, Horncastle | Freehold | 69 m² | £67,900 (2008) |
| 8, Southwells Lane, Horncastle | Freehold | 119 m² | £153,000 (2011) |
| 9 Southwells Lane, Horncastle | Freehold | 114 m² | £205,000 (2026) |
| 10, Southwells Lane, Horncastle | Freehold | 125 m² | £175,000 (2018) |
| 11 Southwells Lane, Horncastle, Horncastle | Freehold | 111 m² | £195,000 (2021) |
| 12, Southwells Lane, Horncastle | Freehold | 90 m² | £141,000 (2015) |
| 13 Southwells Lane, Horncastle | Freehold | 114 m² | £180,000 (2016) |
| 15, Southwells Lane, Horncastle | Freehold | 69 m² | £155,000 (2024) |
| 16 Southwells Lane, Horncastle | Freehold | 68 m² | £142,500 (2007) |
| 17, Southwells Lane, Horncastle | Freehold | 86 m² | £160,000 (2025) |
| 18, Southwells Lane, Horncastle | Freehold | 83 m² | £168,500 (2007) |
| 19 Southwells Lane, Horncastle | - | 119 m² | - |
| 19A, Southwells Lane, Horncastle | Freehold | 85 m² | £205,000 (2023) |
| 20, Southwells Lane, Horncastle | - | 119 m² | - |
| 20A, Southwells Lane, Horncastle | Freehold | 85 m² | £165,000 (2020) |
| 21, Southwells Lane, Horncastle | - | 113 m² | - |
| 21A, Southwells Lane, Horncastle | Freehold | 117 m² | £275,000 (2021) |
| 22, Southwells Lane, Horncastle | Freehold | 85 m² | £131,000 (2010) |
| 22A, Southwells Lane, Horncastle | Freehold | 142 m² | £210,500 (2018) |
| 23 Southwells Lane, Horncastle | Freehold | 142 m² | £237,500 (2019) |
| 24 Southwells Lane, Horncastle | Freehold | 117 m² | £210,000 (2016) |
| 25 Southwells Lane, Horncastle | Freehold | 142 m² | £270,000 (2021) |
| Ashlea House, Southwells Lane, Horncastle | Freehold | 70 m² | £155,000 (2017) |
| Bain House, Southwells Lane, Horncastle | Freehold | 70 m² | £198,000 (2025) |
| The Cottage, Southwells Lane, Horncastle | - | 107 m² | - |