The British-born architect known for his eco-friendly structures and who made his home in Kerala is Laurie Baker. Laurie Baker was renowned for his sustainable architectural style that used local materials, low-cost construction techniques, and climate-sensitive designs. He was often called the "Gandhi of architecture" for his philosophy of creating affordable, energy-efficient, and environmentally harmonious buildings. His designs commonly featured innovative techniques like rat-trap bond brick walls, jali walls for natural ventilation and lighting, and sloping roofs with rainwater harvesting. Laurie Baker lived and worked extensively in Kerala, where his influence on green architecture remains celebrated.

Another notable British-born architect associated with eco-friendly architecture in Kerala is Eugene Pandala, who also used traditional, sustainable techniques such as mud and cob construction, emphasizing minimal intervention in nature.

However, Laurie Baker is the most prominently recognized for pioneering eco- friendly architectural design in Kerala.