I think that the BBC article is incorrect in referring to GIDS (children and adolescents) and that the Channel 4 video is correct in referring to the (adult) Gender Identity Clinic (GIC).
The timeline in the BBC article suggests that Alice was referred to GIDS in 2019 aged 17. If that were true then GIDS would, or should, have immediatedly referred on to the GIC. Certainly before March 2020 when Alice had already turned 18.
There is no mention of GIDS in the Channel 4 video, only the GIC, so it is likely that all the time on the Waiting List would have been for an assessment by the GIC (adults).
NHS STANDARD CONTRACT
FOR GENDER IDENTITY DEVELOPMENT SERVICE FOR CHILDREN AND ADOLESCENTS
SCHEDULE 2 – THE SERVICES A. SERVICE SPECIFICATION
"This specification sets out the deliverables for a highly specialised service for Gender Identity Development (GID) for children and adolescents up to their 18th birthday"
3.4 Any acceptance and exclusion criteria
3.4.2 Age of access
The Service will be offered to children and young people aged up to their 18th birthday. If a new referral is received for a client who is already 17 years of age, the Service will contact the young person to discuss referral options, given that the 18 week timeline to be seen as a new patient followed by the appropriate duration of assessment means that they are likely to have already reached or nearly reached the exclusion criteria for the Service (that is, reached their 18th birthday) before they can commence hormone treatment, if this is indicated.
In such cases,
- If the young person’s objective is to receive hormone treatment and they would instead
- prefer a direct referral to adult services, the referrer will be contacted and asked to do this.
- If the young person would like the opportunity to explore their gender identification and
- options, on their own or with their parents/carers, the Service will offer to assess the young person over two to three appointments. It will then agree an appropriate onward referral if appropriate and the young person wishes.
- In all cases, referrers will be informed of the client’s decision so that local health professionals can put in place support as required whilst the young person waits to access the adult gender identity clinic.
- Referrals for young people who will be 18 by the time of the first assessment appointment will be promptly re directed via the referrer to adult gender services to minimise delays.
https://www.england.nhs.uk/wp-content/uploads/2017/04/gender-development-service-children-adolescents.pdf