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If the structure of the house is affected, apply to the developer for renovation.
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I've seen people do this, and it's going to be fine.
This bathroom should be waterproof.
It's very suitable, and if you want me to say that the living room of the duplex room should be on the second floor. >>>More
The usable area of the ground floor on the second floor should be counted as a public area, not the usable area of the first floor, and it is not a balcony on the first floor. I mean, if it's a balcony on the first floor, it should be counted as the usable area on the first floor.
It is best not to dismantle the sewer pipe on the first floor of the duplex balcony to the second floor, it is not good to dismantle it.
It may be caused by water entering and eroding outside, or the problem may be due to a leaking window.