I would like a new coat. Can you help?

[deaddei]

I already have a short puffa jacjet and a full length one for when it's really cold and crap. DH calls it my chav coat.
But I really want a 3/4 length not too hot coat to wear over tunics (puffa jacket looks silly)
I am size 16 top, but 14 bottom, 6feet tall with long arms.
Can anyone help?
Budget £250 if it is lovely.