|Ba Dan communal house worships three persons Nguyen Phuc Nguyen Bo. Among these, Nguyen Bac was a talented general - who used to be one of the four highest ranking mandarins under. Dinh Bo Linh court and he was also nominated for the position of the founder of a state - the first prime minister dignity of our country in 971.
The communal house was built on a high land belonging to the territory of three villages: Co Dien, Co Ngo, Dong Phu in Thanh Tri - Ha Noi.
The communal house was designed following the style of "Chong diem tam mai" (two roofs overlapping each other making four couples of roofs corners) with dragon shapes on the top towards the ridge of the roof. At the very center of the roof, there is a sun shape. The pillars of three - entrance gates are quite big with Chinese parallel sentences carved on their body . There are two young lions huddling together on the peak of the pillar "Phuong dinh" (a place with four pillars and a roof without wall used for preparing offering gifts) constructed perdendicularly to four long rafters from the main column to the corner of the roof supporting the roofs above and under. All of them was sculp tured with dragon shape according to the scenery of Nguyen dynasty. The middle chamber includes five rooms with many images of dragons, flowers on curtains... and a set of carpentry with model of "chuong giuong gia chung xa nach" (a pattern of architecture) with is usually used in designing temple and pagoda in Viet Nam. The large chamber has also five rooms and one feign door in front. Its roof was covered with internal tiles serveral engravings following themes such as dragon, phoenix, unicorn and tortoise appearing on carpentries and walls combining two ends of the chamber (cuon nach). Inside the temple, there are three rooms. Carpentries here were designed simply with the place for worshipping covered with flooring planks with ancestral tablets and statues of tutelary spirits.
In 1994, Ba Dan communal house was ranked art - architectural relic by the state.