Steel and Glass Staircase by Incorporated

"Contemporary design and fabrication processes were used to produce a staircase with 'wing-shaped' folded steel treads at the heart of this renovated New York City apartment."

more at dezeen.

Issei Suma Office

"Behind the crumbling exterior of a 100-year-old cowshed in Japan's Tokushima Prefecture, architect Issei Suma has inserted a glass and steeloffice for a computing company..."

more at dezeen.

The Brewery Yard by Tzannes

"From the Architect: This project integrates the plant equipment for a tri-generation plant with the historic Carlton and United Brewery building on the fringe of the 
Sydney CBD... We developed an innovative formal solution to this problem where the
form of the new work arose from the integration of complex profile of the existing roofline with the organic regular form of the plant equipment within."

from archdaily.