What we have here is a little one sided as if the house is a hotel. Personally, I think that she could do a few odd-jobs around the house and you both need to sit down and discuss/negotiate this through, also explaining the reasons in the longer run why this is being done.....
I would also raise the question of the money that she is earning and you could suggest that she gives you say 20 or 25 per cent of it but that you would put it into savings for her and that this could be very beneficial if she goes to Uni or later on for her first house.
Just be aware of tax implications too - usually the need to claim it back - however, there are allowance limitations and on interest accruing from savings and investments. This is quite useful:
https://www.moneyadviceservice.org.uk/en/articles/childrens-savings-accounts
Obviously it sounds as if she is being a good student and this you need to encourage, additional hours at work to cover your 'weekly or monthly charge' may work against her diligence in studying......