Wow thanks for all the idea everyone...keep 'them coming
I can't use the hall as there are three rooms off it and one room doesn't have a door and there's another where the door doesn't shut properly (these things will be rectified over time but it's all part I an ongoing, slow renovation!), haven't room for a permanent run to be down so I'm afraid the wardrobe idea is out! Need something that's fairly easy to set up and fold back down or in the case of bekki's tray I could perhaps store it upright in the understands cupboard or garage. The metal pens sound good but aren't they quite expensive? Any links to good ones would be great
Any more suggestions? Thanks