What is a cleaning specification?
A cleaning specification is the schedule that defines what will be cleaned, to what standard and how often, area by area. It is what the contract is priced against and what performance is measured against.
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<img src="https://cleanoptix.co.uk/glossary/cleaning-specification/diagram.svg" alt="cleaning specification — diagram from CleanOptix" width="880" height="620" loading="lazy">
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<a href="https://cleanoptix.co.uk/glossary/cleaning-specification">What is a cleaning specification?</a> — diagram by
<a href="https://cleanoptix.co.uk">CleanOptix</a>
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</figure>It is the contract in practical terms. Disputes about cleaning almost never concern whether work was done well; they concern whether a particular thing was ever in scope, and the specification is the only document that answers that.
The useful ones are written by area and task with a frequency against each, rather than as a general description of standards. 'Kitchen kept clean' cannot be delivered against or measured; a list of surfaces with frequencies can.
It also has to match the hours priced. A specification carrying more work than the labour allocation supports guarantees either an overspend or a quiet reduction in what actually gets done, and the second is more common.
In practice
A month four complaint about an office kitchen.
The client says the fridge is disgusting. The specification says the kitchen is cleaned daily and lists worktops, sinks, floors and bins. It does not mention the inside of the fridge, and never did.
Both parties are right, which is the shape of almost every dispute on a cleaning contract: the argument is not about standards, it is about scope that was never written down.
The exclusions section is the one nobody wants to write at tender and everybody needs by the autumn.
What goes wrong in practice
- Written as aspiration rather than as tasks and frequencies, which makes it unmeasurable.
- Priced against an hours model that the task list does not fit.
- Never updated when the building changed — new areas added to the round with nothing added to the specification.
- Held by the account manager and unknown to the cleaners delivering it.