Instructions:Valid every day until February 15TH 2015 | Eat In & Takeaway
*Excludes Resident Heroes (unless upgrading to £1.50 per burger), The Mighty, Special of the Month & Create Your Own.
Not to be used in conjunction with any other offer or GBK app reward. Please print & present this offer when ordering.
Valid in the UK mainland restaurants only excluding The O2 on event nights