if you have good economic conditions and want to improve the decoration, you can decorate at a rate of 18-2/ m2.
if you want to decorate in a general way, you can spend about 1-12 yuan/square, which is a general fine decoration.
if you want to decorate simply, you can invest around 7-8 yuan/square meter, which is a common decoration.
If you invest 4-5 yuan/square meter in renovation, it is a simple renovation.
So how much the house is renovated depends mainly on your economic situation. According to your economic investment, if you invest more, it will be better, if you invest less, it will be a general renovation, and if you invest less, it will be a simple renovation.
for reference only.