I'll only be using the one pannier, so can't carry too much stuff.
That's some pannier!
Tigerbiten, thanks for the offer. My feet are 5s, and I gather overshoes are usually a bit mean fitting, so 6ish might work. It's all a bit confusing, looking at the Shimano shoe size charts.
If you're happy to bring them, I'm happy to give them a try (and carry them if they prove un-useful)
But I might bring some suitably gothic plastic bags and rubber bands too, thanks for the tip Kim. It's the warmth, more than waterproofing, I'm after.
I'll have my own extra water, plastic beaker etc. Sounds like I don't need to bring a stove/fuel?
If it looks like being anything like yesterday/today temperaturewise, the Foska jacket might get an outing, which would be fab. But any warmer, I'll have to stick with the beat up yellow Endura.