by aalindo on Mon Jan 16, 2012 8:46 pm
JC,
Not sure if this will be any help (and I am by no means an expert) but it would probably be worth checking your local council's planning policy with regards to replacement dwellings. It may be that this policy dictates what you have to do. Speaking from my experience only, when I submitted my planning for a re-build, it was policy that the old house must be demolished before we occupied the new house.
For us this condition wasn't as issue as we opted for the caravan as we are building on the same footprint. It's not so bad!