The designers are currently Tony Broomhead, Satwinder Samra, Maral Tulip, Emma Kosh, Anthony Devine, Lynsey Ford, Martin Bell, Sahiba Chadha and formerly Dee Saigal, Sege Rosella and Olga Skumial.

The series is similar to DIY SOS[citation needed] and Grand Designs,[3] with the help of expert designers and builders and the youngsters themselves, the Dengineers team will then construct an extraordinary den, either completely from scratch or by transforming an existing room in the home.

Each episode is themed, with designs such as an old-fashioned railway station, a 1960s American diner and an Australian outback shack.

[6] The show won the Factual Entertainment category at the British Academy Children's Awards in 2019.

In 2017, a special in partnership with Children in Need and Blue Peter aired with guests Naomi Wilkinson, Ayshah Tull, Katie Thistleton, Ben Shires, Rhys Stephenson and Hacker T. Dog.