proactive
Enjoying a drop of red.
There may well come a point where a significant proportion of that 55% change their minds. It has happened in the past after all.If 55% of the active electorate are going to vote for you anyway, why bother?
Remember there's also a lot of additional housing on the way and who knows how these people may vote. If they are younger folk then that might well not be Conservative.
Certainly writing/emailing to Lefroy, expressing concern at the latest a&e moves and actually saying you won't be voting for him in future unless he sorts it out has got to be worth a try. If enough people do it he might have to take notice out of pure self-interest.