Design Isn't Decoratio It's Measured Against Outcomes

In 1984, a single study changed how healthcare design is understood. Researcher Roger Ulrich compared surgical patients recovering in rooms with a view of trees against patients facing a brick wall. The difference wasn't subjective. Patients with the natural view left hospital sooner, required significantly less strong pain medication, and were recorded by nursing staff as having better moods throughout recovery.

That study marked the start of evidence-based design as a genuine discipline, environment measured against clinical outcomes, not aesthetic preference. Since then, the same researcher has led a comprehensive review of the research literature in this field, and the conclusion holds across study after study: well-designed physical spaces make hospitals measurably safer and more healing for patients, and better places for staff to work. Not one or the other. Both, from the same decisions.

That's the principle behind every recommendation we make. A courtyard isn't there to look considered. A staff breakout room isn't a nice-to-have once the clinical budget's spent. These are the same category of decision as the window Ulrich studied in 1984, choices that can affect how long someone stays, how much medication they need, and how well the people caring for them can do their job.

Forty years of research on this, and the direction has never once reversed.

It hasn't stopped since.

Forty years after Ulrich's original study, a hospital in southern Sweden serving 125,000 people redesigned an entire emergency department using the same evidence-based approach, light and colour decisions included. Using a validated before-and-after survey, researchers found patients and their families reported measurably better support from the environment once the changes were in place. Same principle, four decades later, still holding up.

This is still being tested, rigorously.

In 2022, researchers ran a randomised controlled trial putting evidence-based design head-to-head against two other popular approaches to hospital room design, Golden Ratio proportions and Feng Shui, alongside a plain control room. Over 550 participants were placed into one of the four versions and measured on anxiety, sense of control, and how supportive and pleasant the space felt. This wasn't evidence-based design marking its own homework, it was tested directly against competing design philosophies, the kind of comparison that actually tells you something.