@venusandmars - rest assured, there is no way we'll be wallpapering the ceiling 
The ceiling has already been painted dark blue and looks good
. Once the glass panels for the shower go in, it will be very difficult to reach the corner of the ceiling above the shower to change the colour (we've been told not to put ladders in the shower tray). Ditto with the bit above the bath, especially as there's a shelf to accommodate the pipes in the corner.
That's why once the room had had its plaster skim and the tiling was done, the bathroom fitters left, telling us to let them know when we'd finished the painting and they'd then come back and fit everything (including the flooring, the door and window surrounds). I reckon there's still 2-3 days work to do.
I was a wee bit peeved that dh wouldn't contact them on Wednesday, saying we'd be finished on Thursday (which we could have been), so they could come back on Friday. He only contacted them Thursday afternoon and understandably, they couldn't drop everything and come the following day, so that's why they're only coming on Monday.
We do love that the ceiling is back up to 3.1m (it had been much lower with a horrible fluorescent strip light) - but it is still the lowest ceiling on the "main" floor 
Back on topic: had a lovely Greek salad tonight with tomato, cucumber, feta and red onion and plenty of olive oil, along with some left over tzatziki.