I'm looking at converting at least one of an external double garage into somewhere for my kids to "hang out". The garage already has electricty and a half glass door.
What do I need to do/get done to convert it into something that will not be damp and will not make a sofa/chair smell mouldy? It's about 15 years old and so in quite good nick really. I guess it needs a damp proof flooring and stud walls put up and ceiling over the bare joists.
Does this need planning permission? I guess not as it is not living accomodation.