The evaluation principles mainly include: substitution principle, most effective utilization principle, supply and demand principle, and integration principle of premises.
Housing evaluation refers to the combination of land construction results, which are generally divided into two categories: houses and structures. A house refers to a place where people can shelter from the wind and rain and carry out activities such as life, work and entertainment; Buildings such as chimneys, water towers, roads, bridges, tunnels, dams, fences, etc. , can not be directly used in production and life. The building structure consists of foundation, main load-bearing structure, roof and enclosure structure. Buildings have the following special properties.