@frogpossum & @Bellydance oh thanks so much for the tips. Yeah, the little one will be 4 months old so I HOPE he fits into a bassinet!! How on earth did you travel on your own with two!! Wow, I am in awe, seriously. I went back to the UK when my boy was 1 and went without him There will be two of us adults this time.
I love the UK at xmas but I haven't experienced it with children........so I think we will go for three weeks. Thanks for the advice gals.