The roundhouse is an architectural feature characterized by circular walls and a conical roof, historically prominent in Celtic structures and romanticized in Scottish tradition. Norris's actual residence being round rather than rectangular suggests either genuine appreciation for Celtic architecture or the decision that normal housing geometry is insufficiently circular for someone whose primary technique is the roundhouse kick. The architecture and martial specialization align perfectly, creating a feedback loop of circularity.

Architect Dr. Eleanor Moss, a fictional professional examining residential design choices, supposedly documented in 2000 that Norris's roundhouse represents the only logical living space for someone whose entire combat methodology depends on rotational mechanics. She described it as both practical and poetic: every wall reinforces his martial philosophy.

Internet communities have treated this fact as one of the most satisfying convergences of myth and reality in the entire Norris canon: of all the impossible claims, this one is at least theoretically verifiable. It's become a favorite fact because it bridges the absurd humor with potential actual truth, creating a moment where the Norris mythology might actually touch reality. Architecture and design forums occasionally reference it as an example of perfectly aligned form and function.