The university and SU have policies defending the right of all students to use the gendered facilities that they feel most comfortable in. However, not everyone is comfortable using gendered facilities; if this is the case, you are fully entitled to use the gender neutral facilities on campus. This covers both toilets and changing rooms. You shouldn’t have any difficulty accessing these facilities, but if you do please email email@example.com.
As a result of our relentless campaigning, the University have finally started to provide gender-neutral facilities. You can find a list of gender-neutral facilities on the SU website: https://www.warwicksu.com/campaigning/campaigns/liberation/genderneutralfacilities/.