Climate change has been one of the key issues confronting the world in the 21st century. Nevertheless, the concept of sustainability has become vital in battling excessive use of natural resources. Enormous consumption of water and energy in the bathroom has resulted in different unseen sustainability consequences and mostly, their nexus effect. The use of bathroom has been evaluated to be the major consumption of hot water in a residential residence and it is responsible for the significant water and energy carbon emission of about 539Kg every year in United Kingdom.

Keywords : Bathroom, Climate Change, Efficiency, Energy, Smart, Sustainability.