Codes change and stop working without warning all the time but these were the most recent I could find, I hope some work for you
5% off Code YAW795
Free delivery Code deliverfree (try it in uppercase aswell)
£10 discount spend £300+ Code JULY10G or 10JULYAW
£20 discount spend £500+ Code JULY20G
£60 discount spend £999+ Code JULY60G or 50JULYAW
£100 discount spend £1500+ Code JULY100G
FFREEZ1AW - Save £20 off £400 on Fridge Freezers - This is including two door and side by side.
GAS1AW - Save £20 off £400 on Gas Cookers - This includes all freestanding gas cookers
ELEC1AW - Save £20 off £400 on Electric Cookers - This includes all freestanding electric cookers.
TLAP25AW - Save £25 off Thin and Light Laptops