Thanks for all of the valuable comments. I'm very carefull abou the comments my clients make, because ussually they are comparing apples with oranges.....but this time they were comparing the same kind of building, an office building. I try to use simple designs, with regular patterns, repeating...
I wanted to make a little survey on the amount of steel used in your designs, for example, your latest housing building, commercial buildings, warehouses, etc., in terms of weight of the structure per area of it. Some of my clients tell me that I use too much steel, and that they have "other"...