Might look into a floating vinyl floor, might be considered somewhat of an insulator though as it has the pad build into the back of it. It’s exactly as it sounds, it floats, you don’t fasten it down except where heavy appliances sit and then you use double sided tape on the back so it doesn’t wrinkle when you move the appliance.
We installed it in the kitchen when I remodeled that, everyone who was seen it so far thinks it a real hardwood floor as its textured, you can actually feel the “grain” with your hand or walking on it with bare feet.
I installed it as a temporary floor until I could jack the south wall up and replace the foundation so the floor would be level where the kitchen table sits, had a slight drop from the basement wall to the south outer wall, crawl space under the kitchen table. Was going to install the engineered hardwood floor after I fixed the foundation a few years ago but the wife won’t let me as she likes the vinyl floor too much.