Unfortunately, it's not just Edinburgh.
www.abdn.ac.uk/staffnet/documents/policy-zone-employment/TransgenderPolicy.pdf
1.3 The University is committed to providing a supportive environment for trans staff and students, including working to provide appropriate facilities for trans student and staff groups, including use of preferred changing and toilet facilities.
2.9 In providing accommodation for students, any concerns or issues raised will be handled by the Staff and Student Accommodation Offices and will be treated fairly and in line with our obligations under equality legislation. All students will be supported in accessing the facilities,which align with their gender identity.
5.11 Will I still be able to go on field trips and placements?
Where field trips are a part of course requirements and shared accommodation is offered, all students have the right to use facilities that align with their self-declared gender.