To ask the Secretary of State for Transport, how many (a) single sex and (b) gender neutral bathroom facilities her Department provides in its premises.
The Department for Transport’s main Whitehall building, Great Minster House, has 112 individual self-contained lockable toilet rooms which contain a toilet, washbasin and hand-drying facilities. This is in addition to 20 wheelchair accessible toilets. 
Department for Transport: Sanitation