One bedroom, one living room, one kitchen, one bathroom, 60 square meters of decoration problems, a

Without the size plan of your house, how to give you a drawing. If you want to see a picture for reference, it's all available on the Internet. How to decorate depends on what style you want and how much money you prepare. >>>More

Yes, it is necessary to make a good layout close to the original toilet as much as possible, do not raise the ground too much, and the drainage slope should be sufficient, so as to make it waterproof.

7000, I recommend doing it all. Because I have done 3 1st floors, the effect of all waterproofing is good, not wet, not alkaline. I'm the one who does the design, and I'm very responsible for telling you that if you don't do it, it's too late to regret it.

You belong to the standard structure. You can add a wall in the middle. Separate the living room from the bedroom.

If you can't avoid it, consider resolving it. All the best O(O