Loft conversions can be anything from a single room within the roof or removing part of the roof and placing a dormer with 2 rooms and a bathroom. Not all loft conversions need planning permission, it will depend on the area in which you live and if you have had any previous building work adding extensions or a conservatory to the premises.
You will need a set of drawings done to submit to the local building control office together with the relevant building regulations.

Garage conversions are an excellent option if you need an extra room for a child, elderly or disabled relative. You don't always need planning permission for these kind of conversions however if unsure your local planning office will always be able to advise you.
This is a project which is just about to start. It is a shop and it is being converted into 2 flats. Converting buildings, shops, hotels or large houses into flats can be a very worth while if you can purchase a property at the right price.