Please provide a fixed quote to complete the following building/plastering work: build a new plasterboard wall to close off the area in front of the toilet and extend the hallway so the bathroom can become an ensuite to the main bedroom; relocate the door position as required, including framing and making good; block off an existing window and plaster over it; and plaster, sand and finish all new and disturbed surfaces ready for painting. Please include all framing, plasterboard, trims, patching and making good, removal of construction waste, and leaving the area clean and tidy. Please confirm whether any structural, electrical, plumbing or council/permit requirements need to be considered, and provide your earliest availability and fixed total price.