What is the floor height standard for commercial housing?

1. According to relevant regulations, the height of floors of commercial buildings must comply with standards: the height of residential floors should not be higher than 2.80m. The clear height of bedrooms and living rooms should not be less than 2.40m, and the local clear height should not be less than 2m. When using the space inside the sloped roof as a bedroom, the net height of half of the area should not be less than 2.10m, and the rest should not be...

2. The above is only a low standard for the floor height of commercial housing. If the house purchase contract stipulates If the buyer and seller have another agreement on the height of the floor (the agreement must be higher than the national standard, otherwise it will be invalid), the developer should meet the agreed standard when delivering the house.