Grand Designs: Season 18
This season started on September 6, 2017. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Malvern: Hill House · 45 min | |
| 2 | Harringey, London: Victorian Gatehouse · 45 min | |
| 3 | County Down: Agricultural House · 45 min | |
| 4 | South Hertfordshire: Roman House · 45 min | |
| 5 | South East London: Victorian Dairy House · 45 min | |
| 6 | Blackdown Hills, Devon: Snake House · 45 min | |
| 7 | Peak District: Post-Industrial House · 45 min | |
| 8 | London: Miniscule House · 45 min | |
| 9 | Revisited – Herefordshire: The Recycled Timber-Framed House · 45 min |