Comparison
Preventive vs. Reactive Maintenance
Every building failure is one of two types: one somebody saw coming, or one somebody didn't. Maintenance strategy decides which.
Preventive maintenance is scheduled — seasonal inspections, filter changes, sealant checks, minor repairs before they become major ones. Reactive maintenance is unscheduled — you fix what breaks, when it breaks. The industry rule of thumb is that reactive repair costs three to five times what the same issue would have cost to prevent.
| Attribute | Preventive maintenance | Reactive maintenance |
|---|---|---|
| Timing | Scheduled, predictable | Emergency, disruptive |
| Typical cost multiplier | 1× | 3–5× |
| Downtime | Minimal — planned during off hours | High — often during operating hours |
| Insurance impact | Positive — reduces claim risk and can lower premiums | Negative — repeat claims can raise premiums or void coverage |
| Collateral damage | Rare | Common — one failure damages other systems |
| Resale / valuation | Documented maintenance record supports value | Undocumented history hurts appraisal and inspections |
| Predictability of budget | High — fixed annual plan | Low — surprise capital expenses |
When to choose Preventive maintenance
- Owner-occupied and long-hold properties
- Commercial buildings with tenant SLA exposure
- Historic buildings
- Any property with a documented insurance requirement
When to choose Reactive maintenance
- Buildings scheduled for demolition or full redevelopment
- Very short-hold properties (rare)
Bottom line
Reactive is not a strategy — it's the absence of one. A properly costed preventive plan is almost always cheaper over any three-year horizon, and it protects the property's insurance and resale position at the same time.
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