The 484-square-foot room offers a cool respite from summer sun and a warm place to relax in winter.  Photo 1 of 5 in Bold and Belgian Dwellings  by Matthew Keeshin

Bold and Belgian Dwellings

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In the rural Belgian town of Smetlede, polycarbonate—a type of extra-strong plastic—is often used to sheathe porches and verandas. When architect Indra Janda designed what she calls a “garden room” on her parents’ estate, the humble, inexpensive, and easy-to-work-with material was a natural choice.

The 484-square-foot room offers a cool respite from summer sun and a warm place to relax in winter.