I hope they were Gregg's sausage rolls in honour of the MN Food Police, TigerFeet
Jackie, they're staying for now, but if things get worse they will reconsider.
I did find out after I posted that although there's plenty of water in the reservoirs, the water treatment plant has flooded so until they have cleared that, they can't process any more water. There is a possibility that they will lose electricity as well, as one of the power stations is flooded.
Everywhere locally has sold out of bottled water, but SIL has to go to Bristol today and will bring more water back for both her and MIL. Apparently some of the supermarkets are giving out bottled water, but of course there are long queues for it and it's running out almost as quickly as it arrives, and MIL isn't able to get to the supermarket without SIL - who is at work. The water board are doing absolutely nothing.
SIL's roof is leaking as well in a couple of places - so she has water everywhere but none to drink. She can at least use the water she's collecting from the leaks to flush the loo though!
She starts a new job today so has to stick it out for now but we have offered to go and fetch MIL tonight - she won't be able to stay with us because she won't go upstairs, but there is a Travelodge down the road which we could book her into for a couple of days. She's going to see how things go today and then decide once dh is home whether she's going to come up. It will mean that dd and I will have to spend the next couple of days at the hotel with her (which will be nice ) but at least she'll be more comfortable than she would be at home.