Good morning client, glad to contribute to your project :)
We provide two option roof shape for your need. 1st option with flat roof and 2nd option with inclined roof. Flat roof has advantages that efficient ceiling space than inclined roof. The rest is same.
(option 01)
(option 02)
We design building height as your requirement before. 1st floor ceiling with 8' height, 2nd floor ceiling with 8'6" height (see section attachment)
(section option 01)
(section option 02)
The stairs on the utility area including wash & dry, mud area, pantry, and still has enough space for circullation. The plan of utility room is same with existing. We just add staircase, relocate mud area and reposition wash and dry area. The door position still the same with existing.
(staircase area in utility room/laundry room)
The exterior adopt the final design before with stone, timber cladding, and white wall finished. The shape of building is simple but still looking elegance. Hope you like our design. Thank you