| 2, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 277 m² | £497,450 (2013) |
| 3, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 193 m² | £457,000 (2015) |
| 4, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 233 m² | £242,500 (2000) |
| 4A, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 117 m² | £295,000 (2018) |
| 5, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 159 m² | £442,500 (2010) |
| 6, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 208 m² | £700,000 (2019) |
| 7, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 152 m² | £440,000 (2015) |
| 9, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 189 m² | £472,500 (2015) |
| 13, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 211 m² | £1,278,000 (2026) |
| 14, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 209 m² | £721,000 (2020) |
| 18, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 294 m² | £1,025,000 (2023) |
| 19 Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 196 m² | £542,000 (2021) |
| 20 Northumberland Avenue, Gosforth, Newcastle Upon Tyne | - | 222 m² | - |
| 23 Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 210 m² | £945,000 (2025) |
| 24 Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 266 m² | £875,000 (2023) |
| 25, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 188 m² | £550,000 (2015) |
| 26 Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 259 m² | £675,000 (2017) |
| 28, Northumberland Avenue, Gosforth, Newcastle Upon Tyne | Freehold | 191 m² | £635,000 (2016) |