The empty terrace was not the problem.

It was late afternoon, quiet before service, and the terrace was set — glasses out, tables wiped, everything ready for a night that had not started yet. Every heater along that terrace was lit and glowing orange, doing exactly what they were built to do: heating the air above a completely empty terrace, for guests who would not arrive for another two hours.

Nobody had done anything wrong. Nobody had made a bad decision. Someone had switched them on early, sensibly, so the terrace would be warm and inviting the moment the first guest sat down — and then nobody had switched them back off, or down, or checked on them again until service actually began.

This is what shrinkage actually looks like

It is not a single dramatic loss. It is not theft, and it is not a crisis. It is a small, sensible-looking decision — heaters on early, just in case — that quietly runs unattended for a couple of hours, every single day, for a whole season. Nobody notices, because nothing looks wrong. The terrace looks exactly the way it is supposed to look: warm, ready, inviting. The only thing missing from the picture is a guest.

The money issue

A single patio heater left running for two unnecessary hours a day, across a full outdoor season, adds up to real money — and most terraces do not have just one heater. Multiply that by every heater along the rail, every day of the week, and it stops being a rounding error on the energy bill and starts being a genuine, entirely avoidable cost that nobody ever decided to spend. It was never a decision. It was just never switched off.

This is exactly why energy shrinkage is one of the easiest categories to miss and one of the cheapest to fix. It rarely needs new equipment or new spending. It usually just needs someone to notice, and a habit — a five-minute check before service, a timer, a closing routine that includes actually looking at what is still switched on.

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