not sure if this will help but we have had 2 new kitchens during our years in this (rather small) house. The first time I left a chip pan on and the kitchen caught fire and had to be gutted. This was before many people had microwaves but some kind soul lent us one which we kept in the living room. I'm not sure how we managed but we did. We ate out when we could, and some kind people took pity on us now and then and asked us over for a meal. The house was a mess with smoke damage etc but we had to stay there. We survived it ! We had another complete new kitchen last year (our kitchen is only small). It took 3 weeks to install, which was pretty horrendous. We stored some stuff in the bedrooms, some in our little utility, brought the kettle, toaster and microwave into the living room, put a table protector on our dining table and made toast, sandwiches etc in there. We did washing up in the bathroom sink. It's not pleasant but the only thing I can say is that my new kitchen is lovely and it was worth all the upheaval. (Except that 2 months after it was completed we had a leak from the bathroom into the kitchen and the ceiling had to be taken down along with all my new kitchen cupboards as we had to have a new ceiling!)
We got there in the end and if was a good excuse to get rid of some stuff that we hadn't used for years. Good luck!