Restello, Kolkata

This residential scheme in Kolkata, India, for TATA Steel and developer Bengal Shrachi combines a local tradition of open, expressive architecture with global advances in building technology.

In a strategy challenging the relevance of Western air-conditioned homes versus the permeability of sub-tropical architecture, 12 apartments are wrapped in a permeable responsive outer skin of steel shutters. The space between the living core and façade is used to create an environmental buffer zone of outside rooms and double-height private terraces. This naturally cooled in-between space mitigates the use of conventional mechanical cooling on all but the hottest days.

In a pioneering use of the material in India, the veil of laser cut steel lends a unique cultural identity to the façade, casting patterns of dappled light and shade across the apartment interior. Sustainability is a key driver, proving that modern, modular buildings can be both sophisticated and feasible.

Initially won through an international competition, the project is now on site in Rajarhat New Town, a newly developed and rapidly growing residential and industrial hub in Kolkata. The delivery strategy is based on a simple ‘kit of parts’ principle, developed in conjunction with supply chain partners TATA steel.