Great British Bake Off Series 17: Everything You Need to Know

The Great British Bake Off returns for its 17th series in 2026 — and for the first time in nine years, Prue Leith won’t be behind the judging table. Here’s a full breakdown of the new judging line-up, the reported start date, the format change fans are talking about, and where the show stands after its biggest shake-up since Mary Berry’s departure.

Quick Facts

Field	Detail
Series	17
Network	Channel 4 (UK) / Netflix as The Great British Baking Show (US)
Judges	Paul Hollywood, Nigella Lawson
Former judge	Prue Leith (departed January 2026, after 9 series)
Hosts	Noel Fielding, Alison Hammond
Reported start date	Tuesday, September 29, 2026 (unconfirmed by Channel 4)
New format element	“Audience Choice Week”
Episode count	10 (standard run)
Filming location	Traditionally Welford Park, Berkshire

The Big Change: Nigella Lawson Joins the Tent

In January 2026, Prue Leith announced she was stepping down from Bake Off after nine seasons as judge. Within days, Channel 4 confirmed her replacement: Nigella Lawson, the cook and food writer who has spent decades as one of Britain’s most recognisable television chefs. Read our full profile on Nigella Lawson’s move into the Bake Off tent →

Lawson will judge alongside Paul Hollywood, who remains the only original judge left on the panel following Mary Berry’s exit back in 2016. Noel Fielding and Alison Hammond continue as hosts.

When Does Series 17 Start?

Channel 4 has not made an official announcement, but industry reporting points to Tuesday, September 29, 2026 as the likely premiere, with a finale expected around December 1. That would make this the latest start date in the show’s recent history — previous series have typically launched in the first two weeks of September. Treat the date as provisional until Channel 4 confirms it.

What’s New: Audience Choice Week

Series 17 introduces the show’s first major format change in years: Audience Choice Week, in which viewers submit ideas online that determine the Signature, Technical, and Showstopper challenges for one episode during the series. It’s a small but notable shift for a format that has otherwise stayed close to its original recipe since 2010.

Why Prue Leith Left

Leith, who turned 86 in February 2026, said in her farewell statement that “now feels like the right time to step back,” citing a wish to spend more time in her garden and with her husband, John Playfair, during the summers. Full story on her departure →

Will the Show Work Without Prue Leith?

The last time Bake Off swapped a judge — Mary Berry to Prue Leith in 2017 — the transition caused real audience anxiety beforehand but proved smooth once the series aired. Channel 4’s chief content officer praised Leith’s “absolute culinary authority” while welcoming Lawson as bringing “expertise, empathy and humour.” Whether Lawson settles in as naturally as Leith did remains one of the most-discussed questions among fans ahead of the new series.

FAQ

Who are the judges on Bake Off series 17? Paul Hollywood and Nigella Lawson.

Why isn’t Prue Leith judging anymore? She announced her retirement from the show in January 2026 after nine seasons, citing her age and a wish to spend more time at home.

When does the new series start? Unconfirmed by Channel 4, but reportedly Tuesday, September 29, 2026.

Is this the first time Bake Off has changed judges? No — Mary Berry was replaced by Prue Leith in 2017 when the show moved from the BBC to Channel 4.

Will Prue Leith appear on Bake Off again? Nothing has been announced. She has said she’s happy to see Nigella take over and wished her well.