whisky-dave wrote:

We as in the university campus or rather what managment decide in
order to further their careers. Presently the measured voltage is
215V. Those are the FACTS.

Do you have an estates department? Do they have their own electricians?

If so, why not have a friendly word, get one of them to pop down with a
multi-function tester, and while you've got all your heaters on full
blast, run a PSSC test on another 13A socket on the same circuit?