Gaojiaya was built by Wang Rucong and Wang Rucheng,the 17th generation of the Wang family in Jingsheng Village. It began to build in 1796 and was completed in 1811.The ancient building complex occupies a total area of 19572 square meters with 35 yards and 342 rooms. The two main yards, Dunhou House and Ningrui Residence are Sihe courtyard. Besides, the two families share the garden,Wei yard, academy of classical learning and servant’s yard together. A large number of rooms are subtly linked by 65 doors. When you stroll at the building, you will feel like in labyrinth which is yard inside yard, door inside door. Moreover, there are rich varieties and meaningful carvings which are not only beautiful but also practical. Besides, they have both the northern and southern style and high cultural connation.

Dunhou House---- The front yard of Dunhou Residence was a special place where the host, Wang Rucong, met the guest. The distinguished guests were received in the north hall while the ordinary people were received in the south hall. The west and east wing rooms were used by the servants who have high position in the family.

The back yard was a place where the host was living with his families. The bedrooms located in the center of the whole building were used by the head of the family. The first floors of the west and east wing rooms were used by offspring. The upstairs was Embroidery Compound. The Dunhou House has large place entertaining guests and private living quarters which completely embodies the strict hierarchy.

Wei yard---- The safeguards live at the Wei yard which has four yards with sixteen rooms. The yards arrange in a row and surround the main yards. They occupy a commanding position, so if the castle is under attacks, it will be found immediately.

Academy of classic learning and garden----The young master can not only have a rest but also pursue advanced studies in here. Its unique design features ancient southern architectures because the family members are officials and engage in trade in southern China.

Roof----Some are south-north direction double slope roof. In the opposite direction, there are single slope roofs. The outside wall of building with single slope roof is higher and safer than the building with double slope roof. On the rainy day, the rainwater will be discharged from the drainage system of the inner yard so the people walking by will barely be affected. As the proverb said every miller draws water to his own mill. In ancient time, water is a symbol of money.

Jade wall----The jade wall is round outside and square inside. Round represents heaven and square represents land. In the past time, it is used for holding sacrificial rituals. There is a hole in the center of the wall. According to records, people put a candle inside it and light it, so it is also called Kongming Wall.