Actually, there is wide variety of bath fittings and flooring available in the market. Sometimes same design of bath fittings made available on different prices. Therefore, it is hard to calculate the cost by looking at the picture. It depends on the fittings or material chosen by you. Installation does not make so much difference except in special types of interiors include carvings. Therefore, only material cost matters. Just choose the bath fittings, flooring, ceiling design and lightings,etc. You would easily calculate the cost yourself as soon as you would know the cost of material.