The mature sycamore tree informed the asymmetry of the roof, which also mirrors the roofline of the main house and helps blocks views into the back garden, which has been revamped with cork seating and planters.
Located in the hamlet of Giethmen, the prefabricated dwelling features an open-plan and minimalist interior to create a seamless connection with the landscape.
"The hut is a series of simple design moves," says the firm. "The form is reminiscent of a surf lifesaving or observation tower."