here is the price range
sketch architecture
35…40 $/m²
land plans
house plans
sketch drawings: facades, roofs
3D visualization
✖︎ construction documentation is not included
interior design
40…50 $/m²
interior plans: furniture, light, sockets
interior drawings: floors, ceiling, walls
links and prices
3D visualization
✚ 4 months of author's supervision is included
prices depend on the area, style, landscape