What are the important principles that need special attention in building renewal and land transformation in existing building groups?

The principles to be followed in building renewal and plot reconstruction are: 1. The principle of adapting measures to local conditions. 2. The principle of overall transformation. 3. Economic principles.

Comprehensive evaluation principle of adaptive reuse

1. When an existing building has extremely important historical and cultural value, it should be preserved or utilized regardless of whether its ecological value is obvious, the material basis and reuse prospect of the building itself, and the results of economic analysis.

2. When the existing building has obvious ecological value, that is, it will cause serious energy consumption and pollution after demolition, even if it has no obvious historical and cultural significance, it should be preserved and reused as much as possible.

3. As long as the existing buildings with insignificant historical and cultural values and ecological values are of good quality, they should be demolished as little as possible and reused as much as possible.