Ginger:
a. Do I want WB? pros? cons?
Pros = Half the pain, mess all in one place. There are no cons IMO, apart from a bit of minor hassle setting the thing up intially, and tripping over it for a week or so while you wait for labour to start.
b. If so, should I try to put the pool on the same floor as the bathroom / loo? I am not sure it will fit upstairs. Will this matter?
Assuming you have not knocked out any supporting walls in your home without building regs permission, just buy a long hosepipe and a universal tap adaptor, and put it where you like. I am having mine in the dining room downstairs.
c. Can you use TENS at the same time as g&a? (I have worked out not at the same time as water.)
Yes. Make sure you have the TENS on for several hours though - it takes 5 hours for maximum effect apparently (although every little helps). A bit of pre-birth practice with the TENS machine helps your body acclimatise a bit to the process, I have found.
d. How much space do you need to labour in?
Depends what you feel like doing. Most HB people just potter around the house/flat strangely as normal for quite a while, and then leap in the pool or hang off the sofa or bed later on. My sister spent a considerable amount of time clinging onto a door frame for some reason. Each to her own.
e. Do you need to cover everything with plastic, like you envisage some kind of Tarantino scenario, or do you just kind of prepare a plastic covered area and imagine sticking to it?
There's a lot less mess than you think because you potter around with a pad on to start with, and then generally eventually settle in one spot you feel comfortable in before stripping off. We have a couple of waterproof sheets we put down with towels on top, but I have really rolled the boat out this time and invested in a roll of bubble wrap of the type people use to insulate greenhouses, because towels on top of that will apparently be less slippy. However that's more to stop water dripping onto the carpets than because we envisage a Tarantino experience.
f. Mum says "what can I send you". What can she send me?
A PhysioMed TPN200+ hospital grade TENS machine with an extra set of pads and a spare 9v battery. here. A large marroon bath sheet for afterwards. Some Neal's Yard massage oil suitable for pg and labour.
g. How much room does the MW need?
Just enough so she can get at you from both sides, or walk around the birthing pool.