When we filled in the English language section in the EOI I was actually a little worried as one of the DS only just qualified. English is his first language but he went to monoglot Welsh schools until the age of 13. Fortunately when we got ITA we were told we could ignore the sections relating to providing evidence meeting English language requirements and I assumed was commonplace for people born and raised in the UK.
ON the other hand OH had to get at least grade 7 in all elements of academic IELTS for her nurse registration despite having a UK First Class Honours degree in nursing taught entirely in English.
Simon