House extension elevation, section, floor plan and constructive details that includes a detailed view of flooring view, doors and windows view, staircase view, balcony view, wall design, dimensions, roof or terrace view, tree view, staircase sectional details with main entry house door, drawing room, living room, family hall, kitchen, dining area, indoor staircases, laundry area, balcony, bedroom, master bedroom, toilets and bathroom, indoor doors, furniture details, wall construction, column construction and much more of house project.