thanks Dave ... i have a thermostatic tray warmer that I will use for chemicals in trays, and I will prepare a load of water from the hot tap indoors for when I develop films (I do that indoors anyway so it's only a matter of carrying the bowl 3 steps from the front door to the out-house - no probs!).
I'm just waiting on the plumber to run water in and take drainage out, and the window fitters to replace the rotten frames then I am away. I have already fitted the sink ( a huge affair that I got for £16 on ebay - god bless the digital revolution), worktops and units, drying racks and wall fitted the enlarger columns.
It sounds like you may be just a tad in front of me then.