The project involves provision of the structural design and the specification of the materials required for constructing a house with a unique shape, including a balcony. The dimensions of the house are 12 meters by 8 meters with a ground and first floor, and the height of both floors is 10 meters. The walls of the house are constructed with steel and sandwich panels. The design should include the footing and tie beam(if required).
Please provide an option/price for the extras which are:
1. interior design and 2. quantity of materials required