Thanks of the reply!
Good point! Having marked the new hole on the other side of the ceiling it overhangs the stairwell considerably so I think I need to rethink.
I can put the hatch the other way round like this:
But this cuts a second joist and I though this was a non starter...
Below is a picture of my current loft hatch. I have a new larger hatch to fit.
I'm planning on having the new hatch run like this so as not to cut through another joist:
This means I'm just shortening the existing cut joist.
Just wanted a second opinion that I'm doing the...