There's a church near me which was just converted to a house. It was sold for 3 million+ (AU$). There's a smaller one next to it which is for sale:

http://www.realestate.com.au/cgi-bin/rsearch?a=o&id=104248988&f=0&p=10&t=res&ty=&fmt=&header=&cc=&c=41962024&s=nsw&snf=rbs&tm=1201576624

'The award winning team of renowned architect Otto Cserhalmi and master builders Glenbiq Constructions has created a brilliant heritage re-adaptation of a late 19th century church hall into one of Sydney's most breathtaking contemporary residences.'

The do not actually have a picture of the outside though.