While the guidance is not legally binding, it is expected to strongly influence how organisations and businesses operate. The changes are expected to affect more than 13,000 toilets, 5,000 changing rooms and 18,000 signs, requiring significant updates across public spaces. The guidance also advises organisations to consider alternative arrangements for trans people, including separate “third spaces” or gender-neutral facilities. The organisation is supporting an unidentified trans claimant alongside several trans-inclusive organisations in a case challenging the legality of the new guidance. Since then, organisations across the UK have been reviewing policies relating to single-sex services and facilities in anticipation of the EHRC’s updated guidance.