Wilkinsons have an offer on just now on all 2.5 litre tins of Dulux paint. Buy 1, get 1 free. Offers in Homebase & B&Q are buy one get one half price at best. 5 litres of Dulux paint will usually set you back well over £30 so this is a good saving. Free delivery into store if purchasing online too. Dont forget to use either Quidco (4%) or a whopping 8.4% from Topcashback, for online orders too.