Sorry, that was perhaps misleading. I have one 8 x 4 (or metric equivalent) board, that's not the problem. What I was referring to was the various planks to make the side panels, frames, doors etc.
I started at the top of the list and worked my way down. I was going to cut all the pieces first but then had second thoughts. I guess it would be better to build a bit at a time just in case I have to alter bits to fit. Also I may not like the way something is looking and wish to change it, I...
I'm building a wardrobe from a plan (although I'm already formulating changes to the plan) and the plan had a materials list. Unfortunately the plan is American and it appears we can't get boards quite as wide as them, at least not in my local timber merchant. I revised my list off the cuff...