Hi,   I would like to ask if you could help me understand the approximate cost to make some "changes" to a property we saw and are considering:  1: ground floor - tear down the conservatory, and extend the kitchen by 2.5 m.  2: first floor - build on top of of the garage and part of the kitchen, to make the forth bedroom more spacious, and add a small ensuite.   Please see floorplan attached.  We are considering this property, so this estimate is just to understa