The winner of The Great British Sewing Bee 2025 (the 11th series) is Caz from Staffordshire. She was crowned the champion by judges Esme Young and Patrick Grant during the finale that aired on Tuesday, September 16, 2025. Caz won after facing three challenging tasks, including creating a complex bias cut slip dress, a transformation challenge from sheer fabric, and mastering trompe l'oeil techniques to fit a friend or family member. This was a surprise win that generated buzz among fans of the show.
