Who should complain about changing the toilet on the balcony upstairs?

Legal analysis: if the original use function and load-bearing structure of the house are affected, you can vote for demolition to the housing management brigade; If it brings inconvenience or loss to family members or others, you can collect evidence and bring a lawsuit to the court.

Legal basis: Measures for the Administration of Residential Interior Decoration

Fifth residential interior decoration activities, it is forbidden to change rooms or balconies without waterproof requirements into bathrooms and kitchens;

Seventeenth property management units found that the decoration or decoration enterprises have the fifth act of this approach, it should immediately stop; If it has caused factual consequences or refuses to correct it, it shall promptly report to the relevant departments for handling according to law.

Eighteenth relevant departments received a report from the property management unit decoration or decoration enterprises in violation of these measures, should be timely to the scene to check and verify, and dealt with according to law.