What if two rooms share a balcony?

You can make a partition at the location of the partition wall of the two houses in the middle of the balcony to form two independent balconies.

How do you want to change.

For the kitchen, you can knock off the kitchen wall stacks. >>>More

Yes, as long as the sewer pipe is large enough and clear.

Eh, as for whether you can use a sewage lifter for two bathrooms and one kitchen, it is best to ask a professional decorator to tell you, and this problem will be solved.

There is a house plan to see the specific house pattern to analyze and judge.