A source from the show told The Mirror, “Every measure that could be taken has been, to make the bakers comfortable. The lighting gaffer from the crew who’s in first every morning, opens up the tent, takes down the sides and gets airflow moving before everyone arrives.
Article source: https://www.huffingtonpost.co.uk/entry/how-gbbo-handled-2026-heatwaves_uk_6a477ffee4b03060a8503b21