It depends on the location and type of conversion. Generally speaking, most attics can be converted without needing planning permission, as long as the finished area doesn't exceed a certain size or volume. However, there are some exceptions - for instance, if you live in a conservation area or in a listed building - so it's best to check with your local authority.

Generally speaking, you don't need planning permission to convert an attic into a living space. However, there may be some exceptions depending on your local government's regulations. It's always best to check with your local authorities to be sure.