My exH and I bought a nice 2 bed flat, we moved to a house when DD was 2, so we stayed in the flat 4 years. It was a lovely flat, really well laid out and good proportions and had loads of storage. The three bed house we moved into felt smaller because there was lots of wasted space, dark paint everywhere, and nowhere to put all the crap. But it had a garden, and we had another baby on the way so needed the extra little bedroom.