In April 2025, the UK Supreme Court made a significant ruling that changes how “sex” is interpreted under the Equality Act 2010. According to the judgment, the legal definitions of “man” and “woman” now refer to biological sex, not gender identity – even if someone holds a Gender Recognition Certificate.
This has sparked debate and concern, especially around trans inclusion in workplaces, schools, and public spaces. For example, trans women may now be lawfully excluded from certain single-sex spaces like changing rooms or women-only services if those spaces are designated for biological females.
What does this mean for employers?
Although the ruling clarifies one part of the law, it doesn’t remove protection for trans people. The Equality Act still safeguards anyone who is undergoing, has undergone, or intends to undergo gender reassignment. That means discrimination, bullying or harassment based on gender identity remains unlawful.
However, this shift in language and policy could create confusion. That’s why now, more than ever, inclusive employers should:
•Review their equality and inclusion policies to ensure clarity and legal compliance
•Provide training on how to support all gender-diverse colleagues
•Promote respectful communication, including appropriate use of pronouns
•Reaffirm their commitment to creating safe, welcoming spaces for all employees
Inclusion is Still Possible
This ruling may feel like a setback to many in the trans and non-binary community. But it’s also a moment for organisations to lead with empathy, clarity, and action. Inclusion isn’t just about following the law – it’s about listening, learning, and creating a workplace where everyone feels they belong.
This is currently being reviewed and may be changing in the near future – keep an eye out for more updates from us.
If you’re unsure how to respond or want to strengthen your approach to equality, diversity, and inclusion, the National Centre for Diversity offers bespoke expert-led training to help. Our courses on our FREDIE (Fairness, Respect, Equality, Diversity, Inclusion and Engagement) model are great tools to build a more respectful and legally confident culture.
