I just been looking at their website.
Honestly, it reads as if its exclusively for trans people:
Who is it for?
Our service is open to Brighton & Hove residents 18+ years of age who have experienced sexual violence, abuse and/or harassment, no matter when or how it happened.
When the waiting list is open again, we accept referrals for people who identify as women. We also accept referrals for gender-diverse people (including but not limited to non-binary, genderqueer, questioning / unsure, gender fluid) who would like to access support from our therapeutic service.
^If you identify as a man, there is support available from Mankind, who provides support for people who identify as men. More information can be found here: https://mkcharity.org/access-our-services/^
We understand that, for some people, gender is not a fixed identity and may change over time. Some clients may join the waiting list while they identify as a woman and either while waiting or while accessing therapy this may change. We are committed to offering support to these clients, irrespective of their gender identity. Clients who identify as men subsequent to being accepted onto the waiting list may wish to access support from Mankind, rather than Survivors’ Network, but this will be their choice to make.
Its like it was taken over and stopped being a support service for sexual abuse and became somewhere to confirm gender identity.