Most organisations repaint only when something visibly fails, and the work happens whenever a contractor is free. Across a portfolio, that means unpredictable costs, uneven finishes and bad timing.
A planned programme puts each asset on a cycle based on its exposure and condition, scheduled when it suits you. The spend becomes a budget line, not a surprise.
It is also cheaper per square metre. Repainting before a coating fails is preparation and two coats. After it fails, you add repair, which is the costly part. Deferring a repaint just makes the bill bigger later.