Both of the coffered ceiling you posted suit your house well with the void. We don’t have that void so may have a different feel. Still thinking ...
Much appreciate the photos. Always helpful to visual than staring at the floor plans.
As for the detail / niche, we are deleting the smaller one next to the guest room but keeping the longer one along the garage wall. Based on ambassador on display at Oran park.
Heres a couple of pics of finished product in our place;
Hey ozmonkeyoy awesome pics, can i know what floor do you have?
Just PM'd you, but its just from the included laminate range from Wisdom - Oakleaf Preference Spotted Gum.