I would like all MPs to be given a fixed budget to run their offices. This would have to cover their own salary and anybody they employ as well as all their office, expenses and travel.
This should also be paid from local taxation so they are accountable directly to the people who elected them.
I would accept some subsidy from central government but that would be means tested.
http://ninacriedpower.blogspot.com/2022/08/mp-budget.html