So, we successfully destroyed this (actually, as you can see we'd already started on the top cabinets at this point):
Discovered and dealt with the water damage:
And had the electricians and the flooring guy in:
And now, we've got the ceiling painted, the light fittings replaced, walls flat and most of the baseboard cut (including the tricky octagonal pantry walls) it looks like this:
It's not a kitchen by any means, but it's starting to look like a nice room.