A balcony at 1.0 meter fits one chair. At 1.5 meters, a small table appears. At 2.0 meters, the balcony becomes a room. Most pricing models count balcony square meters at half the indoor rate, but usability is a function of depth, not footprint. In a tropical climate, depth also decides whether the space survives a passing storm. The single number worth carrying into a unit viewing is balcony depth.

A regulatory question that once took six hours of research now returns a cited, defensible answer in five minutes. That ratio is not a productivity gain. It is a different kind of architectural practice, built on compounding knowledge rather than billable time, and it is rewriting how serious firms work.

A single mid-rise residential project produces roughly two thousand design clashes before the foundation is poured. BIM finds them while they are still cheap to fix. The discipline is not a software question. It is a decision about who knows what about the building, and when they know it. A short read on why BIM changes the math.