Using wrought iron as an element of aesthetic design can be a beautiful addition to any home, whether it is external or internal. In particular, wrought iron designs for windows convey a certain regal sensibility. When looking upon decor like this, the home seems classy, elegant and well put together. Wrought iron is a very classic decorating element and has seen major spikes in popularity growth as architecture and design trends from the early 1900s are making their way back into vogue.