by Lachlan MacQuarrie, Industry Fellow

If you have ever walked into a building where nothing is broken but performance is still disappointing, you already understand this. Modern buildings are not single systems; they are systems of systems:

• Physical systems
• Digital systems
• Human systems
• Organizational systems

Each can function reasonably well on its own, but performance depends on how well they interact.

Where Value Is Actually Lost

In my experience, most value erosion in buildings does not come from catastrophic failure. It comes from friction at the interfaces.

Property teams control building systems, but IT influences how those systems are connected and secured. Asset management carries the performance mandate, but does not always have direct control over the operational levers required to deliver it. Energy targets conflict with comfort concerns. Security protocols are designed to reduce risk by controlling access to systems and spaces.

But in an emergency, speed matters more than control. If override procedures are unclear, or if authority is not well understood, response can slow at exactly the wrong moment. Operators hesitate, actions are second-guessed, and access that is normally restricted becomes a barrier.

The system is doing what it was designed to do; it’s just not aligned with the conditions of the moment. No one decision is wrong, but collectively, the system slows down. Operators become cautious. Conservative settings become permanent. Optimization is postponed. Drift becomes embedded.

I saw this in a downtown office tower where energy targets were tightly managed. The system was performing efficiently on paper, but tenant comfort complaints were rising. Adjustments required coordination across property management, engineering, and energy teams. No one was clearly accountable for making the trade-off. Over time, settings were left untouched. The building became stable but not optimized.

Markets do not punish complexity. They punish unmanaged complexity.

Technology as Operating Infrastructure

One of the shifts commercial real estate (CRE) organizations are still absorbing is this: Technology is no longer an add-on. It is operating infrastructure.

If your building automation system (BAS), network architecture, remote monitoring platform, or access control system goes down, operations are affected immediately. We would never accept unreliable elevators, but we often tolerate fragile digital architecture.

That gap introduces operational risk. In the same way that mechanical systems require maintenance, redundancy, and clear ownership, digital systems now require the same level of discipline. The difference is that many organizations have not yet fully aligned their operating models to reflect that reality.

The Abandonment Pattern

There is a pattern I have seen repeatedly: A sophisticated platform is deployed, dashboards are built, analytics begin surfacing insights…then something shifts.

Alerts overwhelm operators. Context is missing. Decision rights are unclear. Trust erodes. The system is gradually ignored.

In one office portfolio, advanced fault detection was deployed with strong early engagement. Over time, alert volume increased, ownership was unclear, and governance never fully matured. Operators began filtering alerts rather than acting on them. The system remained in place, but its influence on decisions steadily declined—not because it was wrong, but because it increased cognitive load without increasing confidence.

Good systems get abandoned when organizations are not aligned to absorb them. This is not a technology failure; it’s an integration failure.

Cyber and the Worst Day

This abandonment becomes most visible on the worst day. Cyber incidents in real estate rarely begin as dramatic headlines. They often begin quietly:

• Loss of system control
• Inability to adjust schedules
• Uncertainty about safe intervention
• Access control behaving unpredictably

On that day, what matters is not whether you installed the latest tool. What matters is:

• Visibility
• Control
• Tested fallback procedures
• Clear accountability

Resilience is a design choice. It is also a governance choice.

The System Above the Systems

In my last article, I wrote that technology does not create risk in buildings. It exposes it.

This article is the companion idea. Buildings do not underperform because systems fail. They underperform because the system above the systems is not defined.

• How do decisions get made?
• Who owns the outcomes?
• How are conflicts resolved?
• How do signals translate into action?

When these elements are unclear, even well-designed buildings begin to drift.

At Intelligent Buildings, much of our work sits in that space. Not just whether systems are secure, but whether they are operable under stress. Whether cyber controls align with emergency response. Whether organizations can act with confidence on Day Two, and on the worst day. Because in modern real estate, performance is not determined by any single system. It is determined by how well the entire system works together.

Learn more at intelligentbuildings.com.