Grand Designs: Deconstructed S1E4 21 October 2025 on Channel 4

On Tuesday 21 October 2025, Channel 4 broadcasts Grand Designs: Deconstructed!

Season 1 Episode 4 Episode Summary

The upcoming episode of “Grand Designs: Deconstructed” promises to be an exciting watch for fans of architecture and design. This episode features Kevin McCloud and Greg James as they explore the latest developments in the world of “Grand Designs.” Their lively discussion will dive into the details of a unique project that has captured the attention of many.

In this episode, viewers will meet Pep and Malene, who are working on an ambitious project in the Surrey Hills. They are building a modern Viking Hall, and the clock is ticking. The couple faces a race against time to complete their vision, and the challenges they encounter along the way will be highlighted.

Kevin and Greg will provide insights and commentary on the couple’s journey, discussing the design choices and obstacles that arise. This episode promises to blend humor and expert opinions, making it a must-see for anyone interested in innovative home designs. Fans can look forward to an engaging exploration of creativity and determination in the face of tight deadlines. Tune in to see how Pep and Malene’s dream unfolds.

What Time is the Episode On?

The episode of Grand Designs: Deconstructed will be broadcast on October 21 2025 on Channel 4 at 2:45 AM.

Is the Episode New?

The episode of Grand Designs: Deconstructed is all new!

Grand Designs: Deconstructed Cast & Stars

Main Cast

Episode Videos & Previews

Watch Grand Designs: Deconstructed Online

Watch the show online

Grand Designs: Deconstructed Series Information

Kevin McCloud and Greg James dish the dirt on what it takes to create awe-inspiring architecture, as they take a unique behind-the-scenes look at ambitious self-builds