Weaver

Hi everyone, I have a kitchen measure around 3.9m by 2.4 metre. I need to tear down everything in the kitchen, and re-installed a new kitchen? Can any one advise me on a package cost? And also what are the things I need to take note? Also, I heard we need to apply HDB for some kind of permit for demolition work, is that true? Would appreciate for heard from any of you advises. Thanks you. :-)