EHRC Guidance: Full Equality Impact Assessment
The Equality and Human Rights Commission [EHRC] wants to ban trans people from toilets and hospitals across the UK. They are supposed to carry out an Equality Impact Assessment before they do this but they have not. Oops! But don't worry, EHRC: we've done this for you, and it looks like your proposals will be very bad but, not just for trans people but for all women.
You can help too! Why not email the EHRC asking to see their legal advice on a specific part of their guidance you think is not impartial, or does not follow from the Supreme Court ruling? Under the Freedom of Information Act, you do not have to give your name and they must send you what you ask for within 30 days. If they fail to do this, you can ask the Information Commissioner's Office (ICO) to intervene.
(Content note: analysis of mental health, neurodiversity and violent crimes including sexual assault, sometimes using dated terminology and categorisation so EHRC understands what we’re saying.)
Full Equality Impact Assessment
The EHRC guidance will cause net harm equivalent to 3,000 people’s lives.
Losses outweigh benefits by 10 to 1
The majority of the losers will be women who are not trans, who will be at increased risk of assault and harassment.
Other main losers will be disabled people, black people and trans people.
Effect | Impact, UK-wide, loss of quality of life years | Equivalent lives lost |
---|---|---|
Men will find it easier to assault women by pretending to “check there are no trans people” in women’s facilities | 1,400 | 18 |
Men will find it easier to sexually assault women by pretending to “check there are no trans people” in women’s facilities | 1,980 | 25 |
White, straight, non-disabled, non-trans women with androgynous features will be harassed when using women’s facilities | 160,000 | 2,000 |
Black women will be especially harassed when using women’s facilities | 30,000 | 375 |
Butch lesbians will be especially harassed when using women’s facilities | 15,000 | 190 |
Disabled women will be especially harassed when using women’s facilities | 27,000 | 335 |
More trans people or the disabled people they displace from disabled toilets will develop UTIs | 3,500 | 44 |
More trans people will be lose privacy and be harassed | 6,000 | 75 |
More trans people will be threatened with violence | 5,000 | 62 |
More trans people will be violently assaulted | 6,000 | 75 |
More trans people will be sexually assaulted | 6,000 | 75 |
More trans people will feel unable to leave their homes and reject hospital care | 25,000 | 312 |
Total losses of quality of life (A) | Losses 290,000 | 3,625 |
Benefit 1: Non-trans women who feel discomfort sharing toilets with trans women will no longer feel uncomfortable | 17,400 | 220 |
Benefit 2: trans women will have fewer opportunities to assault non-trans women (likely very over-estimated) | 1,600 | 20 |
Total benefits to quality of life (B) | Benefits 19,000 | 240 |
Total losses, net of benefits (A–B) | Net loss 270,000 | 3,385 |
Evidence the proposed guidance will enable men to enter women’s facilities
The EHRC draft guidance could cause 1,000 extra sexual assaults on women and girls each year. The guidance as written uses the passive voice: “trans women should not be permitted to use women’s facilities”. By not saying who has the power to give or remove permission, you are inadvertently gifting power to any abusive man to enter women’s facilities by giving him the reasonable excuse he wishes to check whether someone he thinks might be trans is there. Alternative methodology: In London, women and girls reported 210 rapes and sexual assaults in public bathrooms over a ten-year period to 2023 - on average, 21 per year. London has 8.9 million people, 13% of the UK’s 68 million people (ONS 2024), so across the UK we might expect 161 reported cases per year. But reported offences are likely to represent only around 15% of the total, which means there are around 1,100 rapes and sexual assaults on women per year in public bathrooms in the UK. The EHRC guidance could easily double this.
The EHRC draft guidance could cause 2,750 extra assaults on women and girls each year. The NAO (2025) estimates that one-in-12 women and girls are assaulted each year. That’s 2.83 million. Given women are sexually assaulted 0.8 million times in all UK locations every year (ONS 2022), this means non-sexual assaults in bathrooms are likely to occur 2.5 times as often as sexual assaults, about 2,750 times per year. The EHRC guidance could easily double this.
Why birth certificates are not suitable as a means to prove sex assigned at birth
It is unreasonable and unworkable to require everyone who might be challenged to carry a birth certificate everywhere they might need to use a toilet or go to hospital - everyone is at risk of unexpectedly needing to pee or being taken to hospital in an emergency at all times. Requiring people at risk of challenge to carry theirs will disproportionately affect people with protected characteristics, who are less likely to meet stereotypical ideas of what a woman should look like.
Birth certificates are made of paper and are not designed to be carried everywhere.
They are also valuable. Carrying them everywhere will increase the risk of loss or theft and consequent identity theft.
They are in any case not reliable as a means of identification: they are considered public record, have few security features and anyone can apply for anyone else’s.
Evidence that inappropriate challenges will disproportionately disadvantage people who share protected characteristics
Women:
People misclassify the sex of 25% to 30% of subjects by facial features alone (Castrillon-Santana & Vuong, 2007). This decreases to 13% using other cues such as body shape and posture. There are 34 million women in the UK (ONS 2022), which puts 1.7 million women at direct risk of humiliation and denial of service by inappropriate challenges. The closest HM Treasury Green Book measure for loss of Quality of Life Years is moderate anxiety (0.133)
People with androgynous facial features are much more likely to be classified as “male” than “female” (source: Gonzalez-Alvarez & Peña, 2022), which means that women are at a disproportionately higher risk of being inappropriately challenged for their use of women’s services than men for their use of men’s services, unless the EHRC recommends providers make services available to those who self-identity their sex.
Black people
According to Kwate & Threadcraft (2016), observers… have difficulty correctly seeing black women’s bodies and gender presentations. This puts the 1.3 million black women in the UK (source: census 2021) at disproportionate risk of humiliation and denial of service when accessing toilets and hospitals unless EHRC recommends providers make services available to those who self-identify their sex. Overall, black women are likely to be affected much more than non-black women, at absolute minimum a similar 13% rate to all women.
Butch lesbians
There are 1.2 million lesbians in the country [ONS, 2023]. Around 43% of lesbians are butch (Rosario et al, 2011), so there are at minimum 500,000 butch lesbians in the UK. Harm towards butch lesbians was estimated at 22% (Robertson et al, 2019), which means at very least 115,000 lesbians are likely to be humiliated by false challenges.
Disabled people
According to Gilani et al (2012), women with Autism Spectrum Disorder have less feminine facial features than other women. This puts the 200,000 women in the UK with ASD (source: NICE, 2025) at disproportionate risk of humiliation when trying to access toilets and hospitals unless EHRC recommends that providers make services available to those who self-identify their gender. Given the wide intersection between neurodivergent people and disabled people, this will disproportionately disadvantage disabled people.
According to Hosking et al (2017), disabled adults are more than twice as likely as nondisabled adults to require emergency hospital admission - 18% per year. They are therefore at least twice as likely to face humiliating questioning on admission.
If trans people are fearful of humiliation in using single sex facilities, some will have no alternative other than using facilities intended for disabled people. This will make things worse for the 12% of disabled people who are made to wait long periods before being able to use a toilet (TUC, 2024). There are 16 million disabled people in the UK (DWP 2023), which means the proposed EHRC guidance disproportionately puts 1.9 million disabled people at risk of humiliation and urinary tract infections.
Direct impacts
the EHRC guidance will directly cause 45,000 new incidents of harassment, 28,000 new threats of violence, 12,000 new violent assaults and 3,000 new sexual assaults on trans people: 260,000 people in the UK are trans (ONS, 2001), of whom 27% currently pass as their acquired gender sufficiently that other people do not experience discomfort sharing facilities with them (Morton 2008) - that's 70,000 people who are currently accessing services of their acquired gender without trouble. The proposed guidance says they will not be allowed to use the toilets of their acquired gender. But if they pass as their acquired gender and try to use facilities of their birth assigned gender they will also suddenly experience similar abuse risks as other trans people.
Trans people already experience 65% harassment in public, 40% transphobic threats, 17% physical violence and 4% sexual assault but only 15.5% report any of it (Morton 2008).The proposed plans will extend these issues to passing trans people, who until now have used the appropriate facilities without trouble but who will under EHRC guidance be forced to out themselves, either through their use of separate facilities.
Perhaps 1 in 4 trans people will fear humiliation and violence or a lack of toilet facilities so much they stop leaving their homes regularly. Parliament buildings in England and Scotland have already responded to EHRC’s interim guidance by banning trans people from using women's toilets without providing any extra facilities: this situation will dramatically worsen if EHRC issues its full guidance as drafted. Hospitals do not have funding for special wards reserved in case trans people require care. Trans people will be denied care unless the EHRC advises service providers to accommodate trans people alongside people of their acquired gender. Overall, this will drastically reduce the quality of life of 65,000 people.
The proposed guidance will directly cause up to 14,000 new UTIs amongst trans or disabled people. There is a vague reference in the draft guidance to denying any trans person access to single sex service, but no guidance about why or under what circumstances. If fully implemented, this will directly lead to trans people holding their bladder sometimes or often, which will increase UTIs amongst trans people to double from a 14% baseline to 27% (Vyas et al, 2015). If nondisabled trans people are forced to take up space in disabled toilets, this increased incidence of UTIs will be shared with those disabled people who are forced to wait to use facilities provisioned without extra capacity for nondisabled people.
Benefits of the guidance as worded
The proposed guidance has almost no benefits to offset against the harm it will do. 17% of women would feel uncomfortable sharing facilities with a trans woman (EHRC 2020). There are 34 million women and girls in the UK (ONS 2024). So that is 5.8 million women who would feel discomfort,
Trans women are not a threat to women. Some anti-trans activists quote the “nordic study” as estimating trans women’s patterns of violent crime as similar to non-trans men. The author of that paper has made clear this is a misreading of her work, but for now let’s assume that trans women are equally likely to be responsible for the 3,000 violent attacks against women and girls each day - that’s 1.1 million attacks per year, divided between 32.8 million men and boys + 130,000 transfeminine people = one attack per 30 men, boys and transfeminine people. Trans people make up 0.4% of this group, which means in the worst case, trans people would be responsible for 3,300 assaults on women and girls.
Legal basis
Good Law Project FAQ: https://goodlawproject.org/resource/trans-inclusion-after-the-supreme-court-decision-faqs/
A service provider is entitled to offer a service that is inclusive of trans people, rather than segregating by sex assigned at birth, for example as positive action under s.158 of the Equality Act, which permits this where this is a proportionate means of overcoming or minimising a disadvantage suffered by trans people or meeting the specific needs of trans people or addressing low participation by trans people, for example if they are likely to feel so uncomfortable using the facilities for those of their sex recorded at birth that they are discouraged from using them.
A trans inclusive policy may be challenged by people using facilities of their birth sex but those challenges may be defended on grounds that the policy is justified as a proportionate means of achieving a legitimate aim.
You are as the law now stands the sex you are born with for the purposes of the Equality Act, your certificated sex if you have a GRC for many other legal purposes, and your lived sex for the purposes of human rights law.
The meaning of “sex” in the Workplace (Health and Safety) Regulations 1992 and the School Premises (England) Regulations may be governed by the GRA [and not by the Equality Act]. The definition of “biological sex” does not automatically read into these regulations. Most services like toilets count as workplace toilets because they are used by staff, eg most pub toilets, even if they are also used by the public.
Acknowledgments
Thanks so much to the many experts who've trawled for evidence, peer-reviewed and supported us to produce this. And a big thanks to CoolwoodBooks.com for hosting this information. You're all amazing!