Grand Designs: Season 21
This season started on January 6, 2021. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | South West London: Cemetery Keeper's Lodge · 45 min | |
| 2 | Kent: Converted Barn · 45 min | |
| 3 | South Lincolnshire: Contemporary Barn House · 45 min | |
| 4 | Bletchley: Self-Heating House · 45 min | |
| 5 | Liskeard, Cornwall: Flour Mill House · 45 min | |
| 6 | Lewes Revisit 2021 · 45 min |
