I would endorse what Beethoven has posted. And please don't be afraid of the Manchester Low Level Route. It's a non-event - and you don't even need a radio since there's no requirement to call anyone.
I listen out on 119.4 and squawk. If it's not busy, I might give them a call since they sometimes allow you to cut the corner direct to Barton once north of the Manchester 24 extended centreline - but not if it's busy. If it's busy, don't call them.
It doesn't seem that long ago that SVFR transits directly across the zone were freely given - but those days are now gone unless it's very quiet and a particularly helpful controller is on duty.
SSD