About this showing of Grand Designs
Rosa and Craig want to live in a steam railway reservoir in the Wye Valley. But their ambitious plans face multiple challenges.
Exact TV airing
Grand Designs
23.0.
This broadcast aired on Channel 4 on Sunday 23 August 2026, 04:25, ending at 05:20.
This airing has ended
This page records the exact Sun 23 Aug 2026 showing. For the next available broadcast, use the current Grand Designs programme page.
Airing details
ChannelChannel 4
StartsSun 23 Aug 2026, 04:25
EndsSun 23 Aug 2026, 05:20
Episode number: 23.0.
Next showing of Grand Designs
The next currently listed showing is Sun 23 Aug 2026, 20:00 on 4seven.
See all current showings