On the other hand if you want something that will match the room the obvious choice would be Ikea and homebase.
Here is a handy link to a article on savvy-storage: lounge options
The website is aimed at parents but i will be book making it as it has lots of other interesting sections
I can do one better than poundland:
98p shop sells those little toiletry baskets in bright colours!
Back to hoarding- my dad does not allow cardboard boxes to be disposed of just in case. They are usually used to keep his books in until they can't withstand it and break, i admit this is friendly to the envionment- recycling but it just encourages my dad to buy more. Sometimes my mum ends up folding clothes and putting them in cardboard boxes since his wardrobe is jammed with clothes.
At the top of the stairs on the landing my dad has