As an employer, you should:
- aim for a culture where everyone knows that gender reassignment discrimination and transphobia are not acceptable
- recognise and promote the benefits of a diverse and inclusive organisation
Measures that are specific to preventing gender reassignment discrimination include:
- supporting an employee who is transitioning
- having a transitioning at work policy
- considering things that particularly affect transgender employees
- reviewing any policies on absence or appointments
- appointing an LGBT+ champion
- setting up a staff LGBT+ network
Have not read the document in full, but given that issues about the conflicting rights of gender identity and gender critical beliefs in workplaces, thought this would be of interest.
ie ACAS is sometimes called in as opposed to taking legal action.
https://www.acas.org.uk/gender-reassignment-discrimination/preventing-discrimination