Overview
- The Big Arch returns on Monday, 5 January 2026 to restaurants across the UK and Ireland and will be available via McDelivery.
- McDonald’s lists the burger at £8.79 on its own and £10.69 as a medium meal, with prices subject to local variation.
- The build features two 100% British and Irish beef patties, white cheddar, crispy and fresh onions, shredded lettuce, pickles, Big Arch sauce, and a poppy‑and‑sesame bun.
- Marketing chief Ben Fox says the burger has earned a permanent place on the menu alongside the Big Mac.
- Seasonal Christmas and Grinch items are being withdrawn, with outlets reporting a wider January menu update is expected, and the brand teased a 5 January “secret menu” in a coded social post.