A set of plans for a typical 3-bedroom house takes at least 10 hours to complete and runs anywhere from 500 to 2000. How Much Does It Cost To Hire An Interior Designer. Farb Harmonie Diese Schattierungen Von Rosa Die Manchmal Fast Uberall Lila Sind Dekoration Ideen House Interior Colorful Interiors Home Decor Condo Interior Design Cost Philippines. How much does an interior designer cost in the philippines . How much does an interior designer in Philippines cost. The average junior interior designer cost is between R18000 R30000 per hour The average senior interior designer cost is between R30000 R65000 per hour. Some interior design companies and interior decorators will charge an hourly consultancy rate particularly if you cant clearly define scope of the brief. Itll cost between 823 and 2712 with an average 1750 to hire a draftsperson for a blueprint or house plan. Interior Design Cost Philippines. You might be thinking. The interior designer will prepare a pro...