After the delivery of the new house, the balcony, the bathroom, and the kitchen are leaking, can you

Because it is a separate space, it can be "separated". But also take into account coordination, when you open the door, you can see both sides, and don't be too mismatched.

1.Pls I don't have a contract to sue.

There is no contract to sue, because the contract does not have to be written or oral, but you must have evidence to prove the existence of a contractual relationship between you, such as a bill of materials, proof of transfer of payment, etc. The basis is Article 10 of the Contract Law. >>>More

The new house was delivered, but there was no vent in the bathroom. If natural ventilation is used, it is possible. The state stipulates that if the ventilation is insufficient or there are no external windows; Refer to the mandatory provisions of the GB50368-2005 Code for Residential Buildings. >>>More

It's okay to restore the original state, you are a clear water house, and it is impossible to cause you losses. But the upstairs is changed to the sewer main pipeline, the general property is not allowed to change the main pipeline line of the sewerage, easy to cause blockage, affect the drainage, see if you have the property decoration management regulations have this, if there is, you can ask the property, let the property root upstairs said to let the upstairs and sewer pipes restore to the original state, it must be the property to take the key to open the door upstairs to change, if the upstairs does not restore the original state let him and you and the property sign a contract, any problems in the water are responsible for the upstairs and the property. In triplicate, after blocking, repairing, digging sheds caused all the losses they lost money.

Today's toilet plays with water, then you have to find, the property company let them repair it, it will solve the problem of toilet backwater, or find a dredging team to dredge, and there will be no problem if the blocked parts are dredged.