Thanks for all the car advice ladies!
MammyG there are a couple of Ford Galaxys on our road and I keep walking past them and peering in to check out all the space! I'd better start checking out prices.
Foxy and Stick - I think a 7 seater is probably the way forward. At the moment we rarely give lifts (when I do it is when DH isn't in the car anyway) but I can see that being a lot more useful as DD1 gets a bit older. We also go camping a lot so I was about to start looking at roof boxes, but if we had a nice spacious 7 seater then maybe we could manage with the large boot space? (who am I kidding? I can see us in a year with a 7 seater, roof box AND trailer )
Stick -are you around Forest Hill then? DD1 started school in January as she is 5 this school year. Bad luck with the due date timing! But you'll be the centre of attention in the playground with a new baby!
Oosa - I think you might be a bit optimistic, but if DS is ready then you never know. For what it's worth DD1 was 2.4 and DD2 decided to train herself at 2.4 as well. We had a potty in the bathroom and as DD1 always had a wee before bathtime, DD2 decided to start sitting on the potty. I think her nursery also encouraged her to sit on one around the same time which helped a lot. In my experience boys tend to be a little later than girls (as Love2Dance says) but I think from 2.5 is usual. Still, with it being summer you can always let DS spend days outside with no nappy and see how he goes.
Also, I had DD2 when DD1 was 19 months old and it was actually quite useful in some ways to have two in nappies. Nappies are a pain, but so easy compared to having to find a toilet because your DC 'needs a wee wee NOW!' when you are out and about!
Sorry for this essay, but the only other thing was pushchairs. We have a Phil & Ted's which I'd highly recommend for anyone having a 2nd (or 3rd etc) close in age. I'm just going to use it for this baby as I quite like it when it's just the single pushchair. Plus if I add the second seat it's great for carrying shopping. DD2 is just 3 but walks everywhere these days. And I like a sling (Baby Bjorn-type) for when they are teeny.