Restrained, rigorous palette enhances Toronto penthouse by GH3*

An all-black kitchen stands out against the otherwise white and concrete interior of this minimalist Toronto penthouse, designed by Canadian studio GH3*.

The 153-square-metre (1,650-square-foot) duplex condominium in downtown Toronto is located in an early 2000s building, which GH3* stripped back to its bare essentials.

A white Corian staircase bifurcates the duplex apartment in Toronto

The team revealed the original cast-in-situ concrete structure, and used a pared-back material...