- The Principle of Participation:
The fundamental human needs: to create, to control, to identify with the environment in which they live and have a sense of ownership.
- The Principle of Diagnosis:
The well being of the whole is protected by an annual diagnosis which explains, in detail, which spaces are alive and which ones dead, at any given moment in the history of the community.
- The Principle of Piecemeal Growth:
Large lump development hinges on a view of environment which is static and discontinuous, piecemeal growth, dynamic and continuous; Large lump development is replacement, piecemeal growth repair; Large lump development is based on the fallacy that it is possible to build perfect buildings, piecemeal growth is based on the assumption that adaptation between building and their users is necessary.