Top quality stainless steel with thick bottoms make for less burns and easier clean up. Convection ovens cook food faster and use less energy. If one counter is lower than the rest, a child or elder who can not stand, or a wheelchair bound person can easily help. Refrigeration is the most energy expensive item in the kitchen. Think carefully about how much you want to store.
Epoxy floors are slippery.
Non slip surfacing for epoxy floors catches lots of dirt and grease and is hard to clean. Be sure to plan for outlets for water warming, tea storage etc. If you put a refrigerator or a freezer in an enclosed pantry you may need a vent. Be sure to have a separate cleaning closet where you can store cleaning materials away from food. Wet mops can smell.