The nine
Age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation.
What indirect discrimination looks like at a door
A 'no headwear' rule enforced against religious head coverings without accommodation is textbook indirect discrimination.
Reasonable adjustments in practice
Guide-dog access to premises that would otherwise exclude animals, alternative queueing for wheelchair users, quiet-room requests for people with sensory conditions — all standard.