The building work which is exempt from charges is:
Any alteration to an existing public building or home occupied by a disabled person which is solely for the purpose of enabling a disabled person to get in or out, or to provide better facilities for a disabled person.
The provision or extension of a room in a home where the sole use of the room will be
To carry out medical treatment of a disabled person which cannot be carried out in another room, or
To store medical equipment used by a disabled person, or
To replace or adapt accommodation or a facility in a building which already existed but which a disabled person could not use without assistance.