If it is a hardcover design, the decoration needs to produce renderings, and the cost is 4500-5000 yuan; No renderings, only decoration scheme and description, water and electricity circuit diagram description. The charge is about 4000 yuan.
If it is an ordinary and simple type, it will generally be around 3000 yuan; If it is larger and more luxurious, the charge will be more, about 10 thousand yuan.
(If the design fee is calculated by the square: 45-50 yuan/square).