Look into getting retrospective planning permission. As long as what you have done meets building regs, and the building isn't listed or anything, there is a fine chance you will be ok. It will be the bathroom that will be the sticking point I would have thought. Also it depends on any stipulations there may be in the deeds regarding alterations.
Saffie me 46 H 46 M in 1986 D20,D18,S16,D13 H's A 01/05 to 07/06 H recommitted to M 07/06 renewed vows 09/06 Going from strength to strength
