Have noticed my local B & Q are matching Wickes prices on Plasterboard and British Gypsum Plasters so with 15% extra off for sales over £50 for the next 4 days from tomorrow you can save a few quid ;D
https://fsr.emv2.com/bandq/web/images/100609/Click_wk19.htm
https://fsr.emv2.com/bandq/web/images/100609/Click_wk19.htm