There is a lot of difference in the size of the building, which department to complain to

It is possible to file a lawsuit in court.

Legal basis: In accordance with Article 20 of the Administrative Measures for the Sales of Commodity Housing:

If the price is calculated according to the construction area or construction area of the suite, the parties shall specify in the contract how to deal with the discrepancy between the area agreed in the contract and the area registered in the property right.

If there is no agreement in the contract, it shall be handled in accordance with the following principles:

1) If the absolute value of the area error ratio is within 3% (including 3%), the house price shall be settled according to the facts.

2) If the area error exceeds 3% of the absolute value, the buyer has the right to move out. If the buyer moves out, the real estate development enterprise shall, within 30 days from the date on which the buyer proposes to move out, refund the price paid by the buyer to the buyer, and pay the interest on the price paid. If the buyer does not move out, if the registered area of the property right is greater than the area agreed in the contract, the buyer shall make up the price of the part of the house price within 3% (including 3%) of the area error ratio; The real estate development enterprise shall bear the part of the house price exceeding 3%, and the property right shall belong to the buyer.

When the registered area of the property right is less than the area agreed in the contract, the real estate development enterprise shall return the house price to the buyer if the absolute value of the area error ratio is within 3% (including 3%); The part of the house price exceeding 3% of the absolute value shall be returned to the buyer by the real estate development enterprise in double.

The area of property right registration - the area agreed in the contract.

Area error ratio = 100%.

The area agreed in the contract.

If the parties do not terminate the contract due to the difference in area caused by the change of planning and design provided for in Article 24 of these Measures, a supplementary agreement shall be signed.

Which department should the real estate agent go to when complaining?

You can contact the Consumer Association, the Quality Supervision Bureau, and the Construction Committee.

If your house is under warranty, it should be warranted by the construction unit, and you can contact the developer to repair the water seepage.

If the developer refuses to take responsibility for the warranty, you can complain to your local building authority or to the consumer association, **12315

Regulations on the quality management of construction projects.

Article 48 When the people's construction administrative departments at or above the county level and other relevant departments perform their duties of supervision and inspection, they have the right to take the following measures:

A) require the inspected unit to provide documents and information on the quality of the project;

2) Enter the construction site of the inspected unit for inspection;

3) When problems affecting the quality of the project are found, they shall be ordered to correct.

Article 53 All units and individuals have the right to report, accuse and complain about quality accidents and defects in construction projects.

Summary. Complaints can be made to the following units: consumer associations, quality supervision bureaus, construction committees, etc.

Complaints can be made to the following units: consumer associations, quality supervision bureaus, construction committees, etc.

I'm sorry I don't understand, but can you elaborate on that?

Wait a minute. 1.The warranty period of the house is 1 year from the date of acceptance, and the developer can be required to bear the responsibility for maintenance during the warranty period.

If the other party refuses to repair, it can be repaired by itself, and the necessary bills can be saved and the developer can pay the maintenance fee; 2.If the quality problem cannot be repaired, you can go to the real estate appraisal department for identification, ask He Fan to ask the developer to make corresponding compensation, and can sue the developer; 3.If the quality of the theme structure of the house is unqualified, the buyer has the right to refuse to accept it, terminate the contract and claim compensation for losses; 4.

Find a developer for new houses, and find property for second-hand houses; 5.If the public finds that the secondary decoration of the neighbor's house has damaged the building structure and caused water seepage downstairs, etc., they can complain to the decoration management department; 6.If the public has doubts about building materials such as anti-theft doors and anti-theft windows, they can complain to the Quality and Technical Supervision Bureau; 7.

If the public encounters a breach of contract such as a delay in the delivery date, it can be resolved through the real estate management department and the administrative department for industry and commerce, or through litigation; 8.If the public finds that the landscape, greening and roads in the community are not implemented in accordance with the design drawings and promotional materials, they can complain to the real estate development management department.