£3 off £5 spend at Greggs via Just Eat (Free C&C) at UNiDAYS
Now the £4 off Just Eat has finished, it has been replaced with this offer. Get £3 off Greggs through Just Eat by claiming an unique code through UNiDAYS here: https://www.myunidays.com/GB/en-GB/partners/justeatgreggs/access/online
Should work on both click and collect orders (free collection) and delivery orders (£1.49 fee). 50p service charge applicable as well. The promotion is valid from 16th to 29th November, new code can be generated every 24 hours through UNiDAYS. Minimum spend appears to be £5.