For comparison, my 19yo ds - started work last autumn.
At the moment it is just him & I, elder ds left in the week having been home post graduation since last summer. Plus my DP at weekends.
Does all his own cooking, unless I'm doing a Sunday roast, or family pizza night.
Cleans and tidies the kitchen after cooking, to a decent standard.
Shops for his own food, although also uses communal things (milk, butter, bread).
Buys his own toiletries, although I buy all the loo roll & cleaning supplies.
Did clean the main bathroom (I have en-suite) but this has lapsed for various reasons. Will reinstate this.
I do almost all of the washing, but he will occasionally put a load on.
His bedding is up to him, probably doesn't get changed very often.
Doesn't clean the communal areas, but if asked will vacuum or clean downstairs loo.
Pays £100pm nominal board.