I have made quite a few kitchen unit fronts for a customer who is a property developer. He buys standard kitchen carcasses and just tells me what he wants making in fronts. They are made of tulipwood with mdf panels, he paints them and fits them. I have only seen photos of the finished kitchens but they look like top end bespoke kitchens for a fraction of the price.
I hang the doors on butt hinges, not sure what he does with the drawers as I just supply drawer fronts.
Do you have enough depth on the worktops to add fronts on?