COST OF HOME RENOVATION TORONTO Design and Consulting Fees: Employing an interior designer or architect can increase to your cost but usually results in a far more customised and skillfully executed venture. Design service fees could vary commonly but normally range between ten% to 20% of the total renovation cost. https://thetopsdirectory.com/listings12790835/home-renovation-courses-toronto-city-of-toronto-home-renovation-permits-for-dummies