CITY OF TORONTO HOME RENOVATION REBATES Design and Consulting Charges: Hiring an interior designer or architect can include towards the cost but generally ends in a more customised and professionally executed project. Design service fees will vary extensively but ordinarily range between ten% to twenty% of the total renovation cost. https://directorytome.com/listings12801125/home-renovation-designers-toronto-how-toronto-home-renovation-show-can-save-you-time-stress-and-money