There are a few items for sale in the Asda Colchester. It seems to be worth a look if you are about in Asda as they are reducing various Lego pieces in different stores.
This is what was on offer at Colchester
Rey' speeder £13.40 was £19.97
Carbon Freezing Chamber £13.40 was £19.97
Captain Phasma £13.40 was £19.97