Larry Whittington has developed ISO 9001:2015 and ISO 14001:2015 checklists for the purpose of conducting a gap analysis of your current system against the new and changed requirement of the new standards.
To read a description of the ISO 9001:2015 Gap Analysis Checklist, and see a sample page, go to this web page. You can buy the checklist for $95.
To read a description of the ISO 14001:2015 Gap Analysis Checklist, and see a sample page, go to this web page. You can buy the checklist for $95.
After payment, you will be directed to a checklist download page. The file is supplied in Word format for ease of editing.