It is hard to settle again. I moved to London and live there for 10yrs before moving back to Melb in May 2007.
I would say it was a good 2 yrs before I truly felt settled and Australian again IYKWIM.
It is tough having spent most of my adult years in London having a bloody good (irresponsible) life! But what I have here I could never have in the Uk - unless I worked too.
Dh (Brit) has a job he really likes with a lot of oppourtunities.
We are moving into our new house this weekend which we built. It's 4 bedroom, big garden and affordable on 1 salary in a nice area.
DD 5 yo will be starting at the local primary school next month in prep and the school is lovely. I also have a DS 2yo and expecting DC3 next month. Yes I am bloody busy atm!!
But my point is that we have so much more here than in the UK and our life is easier if that makes sense.
You will get there, things will get easier and you will feel settled.
Do you have family living nearby? Good friends?