NCC Volume One contains technical design and construction requirements for all Class 2 to 9 buildings (multi-residential, commercial, industrial, and public assembly buildings) and their associated structures.

NCC Volume One contains the requirements for—

• all Class 2 to 9 buildings; and
• access requirements for people with a disability in Class 1b and 10a buildings; and
• certain Class 10b structures including access requirements for people with a disability in Class 10b swimming pools.