These last few things really seem to be dragging on for you.
My neighbour also with EB has been told he is scheduled for handover mid June and his house hadnt started when yours was locked up.
I wish I had some of your patience
I know - since about late March we have been about two solid weeks of work away from handover. My parents in law had their current home (double storey) built in 13 weeks. Lots of builders seem to drag things out now for unknown reasons.
I'm jealous of your neighbours build time frame. Looking at your blog, they didn't even have brickwork 23rd March! Which is when most of my interior fitout had been somewhat complete.