Manchester uni application Watch
Each Uni is different on this question - and naturally it always depends on subjects and the course requirements.
Some Uni are very open about it and encourage BTEC applications, others are a bit more vague/evasive.
Sussex - https://www.sussex.ac.uk/study/under...y-requirements
Bristol - http://www.bristol.ac.uk/study/under...ualifications/
Nottingham - https://www.nottingham.ac.uk/ugstudy...uirements.aspx
QMUL - https://www.qmul.ac.uk/undergraduate/apply/entry/btec/