| 36, Longnewton Street, Seaham | Freehold | 93 m² | £9,000 (2000) |
| 38 Longnewton Street, Seaham | - | 82 m² | - |
| 39, Longnewton Street, Seaham | Freehold | 92 m² | £47,000 (2019) |
| 41, Longnewton Street, Seaham | Freehold | 95 m² | £60,000 (2021) |
| 42 Longnewton Street, Seaham | Freehold | 92 m² | £38,500 (2025) |
| 43 Longnewton Street, Seaham | - | 82 m² | - |
| 46 Longnewton Street, Seaham | Freehold | 79 m² | £37,000 (2013) |
| 47 Longnewton Street, Seaham | Freehold | 89 m² | £75,000 (2025) |
| 48, Longnewton Street, Seaham | Freehold | 93 m² | £56,000 (2025) |
| 49 Longnewton Street, Seaham | Freehold | 92 m² | £65,000 (2024) |
| 50 Longnewton Street, Seaham, Seaham | Freehold | 77 m² | £43,500 (2019) |
| 51, Longnewton Street, Seaham | Freehold | 92 m² | £67,995 (2007) |
| 52 Longnewton Street, Seaham | Freehold | 95 m² | £50,000 (2012) |
| 53 Longnewton Street, Seaham | Freehold | 104 m² | £39,999 (2025) |
| 55, Longnewton Street, Seaham | Freehold | 92 m² | £16,000 (2002) |
| 57, Longnewton Street, Seaham | Freehold | 91 m² | £19,700 (1995) |
| 58 Longnewton Street, Seaham | Freehold | 100 m² | £50,000 (2021) |
| 59 Longnewton Street, Seaham | Freehold | 78 m² | £44,000 (2019) |
| 60 Longnewton Street, Seaham | Freehold | 93 m² | £57,000 (2022) |
| 61 Longnewton Street, Seaham | Freehold | 100 m² | £13,000 (2001) |
| 63 Longnewton Street, Seaham | Freehold | 93 m² | £70,000 (2025) |
| 65 Longnewton Street, Seaham | Freehold | 92 m² | £62,250 (2022) |
| 68, Longnewton Street, Seaham | Freehold | 91 m² | £47,000 (2021) |
| 69, Longnewton Street, Seaham | - | 90 m² | - |
| 70 Longnewton Street, Seaham | Freehold | 72 m² | £70,000 (2006) |
| 72, Longnewton Street, Seaham | Freehold | 91 m² | £70,000 (2023) |
| 73, Longnewton Street, Seaham | Freehold | 94 m² | £22,000 (2003) |
| 76, Longnewton Street, Seaham | Freehold | 94 m² | £57,500 (2010) |
| 77 Longnewton Street, Seaham | Freehold | 96 m² | £97,500 (2024) |
| 78, Longnewton Street, Seaham | Freehold | 91 m² | £75,000 (2024) |
| 80 Longnewton Street, Seaham | Freehold | 90 m² | £64,500 (2010) |
| 82, Longnewton Street, Seaham | Freehold | 101 m² | £11,000 (1995) |
| 83 Longnewton Street, Seaham, Seaham | Freehold | 91 m² | £44,000 (2021) |
| 84, Longnewton Street, Seaham | Freehold | 95 m² | £58,000 (2019) |
| 85 Longnewton Street, Seaham | Freehold | 91 m² | £46,500 (2018) |
| 86 Longnewton Street, Seaham | Freehold | 90 m² | £44,000 (2011) |
| 87 Longnewton Street, Seaham | Freehold | 86 m² | £17,000 (2002) |
| 88, Longnewton Street, Seaham | - | 95 m² | - |