Regarding compliance with Parts A-M, you should consider the following issues.
The preference for a Certificate of Compliance of Completion for each single, legally distinct property.
Completion in one uninterrupted phase, or several phases.
Taking in charge?
Do you require a single Commencement Notice or multiple CNs?
The length of time that might elapse between commencement on work on the first units of a large development, work on last units, and full completion; and taking in charge.
The dispersal of parts of large developments to different builders.
Building Control Regulations 1997-2015: works must commence on a specified date 14-28 days after Commencement Notice submission.
If phased work is proposed, are separate Commencement Notices necessary?