Our island is 900 depth, 2400 wide, with a sink in the middle (opposite the cooktop), which works well for us. Plenty of prep area either side of the sink (mind you, it's a single undermount sink, about 500mm wide, with no drainboard). If we were going to use the island for actual meals, ours is only deep enough for a person either side of the sink. So, if you're thinking of having the island as a dining area, go to the 1200 depth. Just walk around it to clean it. On the other hand, if the island is going to be for prep, and a place for guests to prop up a glass of wine and chat while you're getting dinner, 900 is fine. Our dishwasher is to the immediate left of the sink, and we have pull out waste bins underneath the sink. We have 1200 mm space from island to the wall side and the range top, and about the same to the other ends. Our fridge, which isn't huge, is in a 900 mm+ cavity which would be big enough for a deeper fridge. It's in relatively the same place your fridge is, and works fine there. Hinges are on the non-kitchen side of the door, so it opens into the kitchen. Cabinets beside it are a bit more in depth, so fridge and cabinets line up nicely. 850 for your fridge seems reasonable to me. I wouldn't put that study where you have it: I think you'll need all of that butler's pantry for butlering type storage. My 5 cents worth based on new house, new experience, absolutely no kids in the equation!

Hi Gallifrey, I did think of the side idea but the front window would be in the W.I R if I was to put it there, the patio is eventually going to be turned into another liveable section of the home

I'm assuming the deck/pool level is already retained by a retaining wall of some sort? Could the fence be built on that? Or you could mimic the retainer wall and build the fence on that? I'm doubtful you will find a fencing product that can go to 3m. For graffiti proofing you could do just lap and cap treated pine timber fencing- paint your side, leave the other side. Grow a vine-plant on the other side to deter graffiti. There is no 100% way of preventing it. Kids typically don't like spray painting onto timber, it's rough and absorbant (uses lots of paint). Avoid colourbond!. Some photos would be useful if you want more suggestions from others.

<?xml version="1.0" encoding="UTF-8"?><md>I agree with dreamer, but I’m wondering if my 17 yo boy had a wir would the clothes dropped on the floor between his wardrobe and bed be dropped out of site in the wir. Maybe it would be better if the drop zone was not in site from the hallway. (He has a washing hamper there -typically empty). Other drop zone is bathroom floor so perhaps wir would make no diff.