If the economic conditions are good and you want to improve the decoration, you can decorate according to 1800-2000/ square.
If you want to decorate in general, you can use 1000- 1200 yuan/square for general fine decoration.
If you want to decorate simply, you can invest about 700-900 yuan/square meter, which belongs to ordinary decoration.
If the decoration investment is 500-600 yuan/m2, it is simple decoration.
So the amount of money for house decoration mainly depends on your economic situation. According to your economic investment, if you invest more, you will decorate well, if you invest less, you will decorate generally, and if you invest less, you will simply decorate.