Survey reveals top regions and cities for housing market optimism  Research released today has revealed fresh insight into regional property trends across the UK*. Overall, people in southern areas are much more positive about their prospects of buying a house with 33% saying things are better, or much better, than a year ago. This figure drops to just 25% in the north, on average, and 24% in the east. The cities with the most positive outlook are London (22% are…