As my user name suggests, I'm well aware of the fortunate position my children are in here.
Child 1 is finishing uni next year. One of the grandparents gave dc1 a lump sum of £5.5k at the start of uni. Following all the financial advice we'd seen, dc1 decided to take out the full fees loan and the minimum maintenance loan that they were entitled to, and put the money into a savings account (I think an ISA).
Dc2 will be starting uni this year. The grandparent will do the same. Our position is the same so dc2 will still take out full fees loan and minimum maintenance loan for the 34 years of the course. But they could choose to reduce that by £5.5k (ie approx £55k total instead of approx £60k total).
Does that make enough difference to be sensible? Fwiw I would expect dc2 to be a higher earner as money is a significant motivating factor for them although of course I've actually no idea whether they really will be.