When our first child went to uni they got minimum loan and we topped up to maximum loan. Their accommodation cost meant they were left with £100 a week term time only which is 30 week, 10 weeks a term plus an extra for Freshers. This was more than enough for them. But they were more buy some beers in from the supermarket with everyone hanging out in the kitchen than going to the pub or out for brunch.
They also enjoyed cooking from scratch. We kept them at £100 per week for the rest of the years. Ds2 is also at uni, his accommodation costs are higher which technically following the same topping to maximum loan meant he would get £75 a week so we give him the £100 as well as he cannot help the cost of his accommodation.
The main thing lots of people forget is laundry costs. In first year Ds1's tumble drying was free so they only paid for the washing machine. Mine do 2 loads a week, one clothing, one bedding and towels. Plus tumble drying costs. Usually universities list their costs.
Supermarket food wise Ds2 spends £38 ish a week and cooks from scratch. We provide toilet roll, kitchen roll, tissues, shower gel, shampoo and laundry pods. We shop at Costco so when we travel to collect him we take all this in an empty case for the term or longer.
Then there is the usual Netflix, Amazon Prime, Spotify, gym stuff they may also want.
Both children understood the cost of food way before they went to uni, could cook and for Christmas will ask for Uber Eats or Deliveroo vouchers for a take away.
Conversations about expectations started way before uni. There was no way Ds1 could have worked in term time due to the number of contact hours he had (STEM) and he had work over the "holidays" too. However at least half of all students do work from statistics.