Stairs of Courtyard House by COX.

Before & After: A Blighted Boarding House in Sydney Is Now an Adaptable Courtyard Home22 of 37

The handrail is a 18-millimeter pipe with curved junctions that was all welded on site and fixed to the surrounding walls. "It took some time to set out and position the stair," reveals Joe. "As it is in the original part of the house, there isn't a wall or surface that is truly square and plumb!"