Meerkat movies is 2 for 1 Tuesdays and Wednesdays, sometimes it’s worth buying cheap insurance of some sort for the weekly codes for a year.
https://www.groupon.co.uk/deals/vue-4?deal_option=28e19043-f49d-47af-a579-77735df0be59 groupon usually do deals like this for different cinemas, it’s Vue just now (2 tix for £9)