Guidance in paragraph 2.29 of Category 2 asks for a bath, a washbasin and a WC to be provided. In some types of home or in certain circumstances it may be reasonable for the bathroom to be equipped with a shower instead of a bath, providing that;
there is sufficient room for a bath to be installed in place of the shower at a later date.
it can be demonstrated that the bathroom can still comply with the requirements for clear access zones in diagram 2.5 once a bath is installed.

Category: Part M - Access to and use of buildings