What is on hire: the term explained
On hire is the status of an asset that has been released to a hirer and is accruing hire charges, running from the moment it leaves the owner's control until it is formally off hired and accepted back. The same moment sets the condition baseline, because everything found later gets measured against whatever was recorded when the asset went out.
You will see it written as on hire, on-hire, or on hired, and used as both a noun and a verb. "The excavator went on hire Tuesday" and "we on-hired six units this week" describe the same event.
What does on hire actually mean?
Two clocks start at the same instant, and operations teams routinely treat them as one. The commercial clock starts, so the hirer is paying. The evidential clock also starts, and that one gets forgotten until there is a dispute.
The second clock is where the money leaks. Without a record of what went out, a damage argument at return is unwinnable in both directions: the owner cannot prove the dent is new, and the hirer cannot prove it was already there. Whoever has the better paperwork wins, and usually neither party has any.
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When does the hire period actually start?
Not when the asset arrives on site, in most standard terms. Under the CPA Model Conditions for the Hiring of Plant, the widely used UK plant hire terms, the hire period runs from when the plant leaves the owner's depot or its place of last employment and continues until it is received back, including transport time in both directions and any time it sits on site over weekends or a holiday period.
Those same conditions put a hard clock on condition disputes. Clause 5(a) states that unless the owner receives written notification to the contrary within four working days for plant supplied with an operator, or three working days for plant supplied without one, the plant "shall be deemed to be in good order", save for an inherent fault or a fault not ascertainable by reasonable examination (CPA Model Conditions, July 2011, clause 5).
Read that clause the way a hirer should. Three working days of silence converts an unrecorded scratch into a scratch the hirer now owns. Clause 5 also makes the hirer responsible for returning the plant "in equal good order (fair wear and tear excepted)", so the on hire record is the only thing defining what "equal" means.
On hire explained: a worked example
A telehandler leaves the depot on a Monday and reaches site Tuesday morning. Hire charges run from Monday, and the hirer's three working day window to flag pre-existing damage expires Friday. The site team photographs a cracked mirror housing on Thursday and emails it in, so the mirror stays the owner's problem. The kerbed rim nobody photographed comes back as a charge nine weeks later, and there is nothing on file to argue with.
How on hire and off hire work as a pair
On hire and off hire are the two ends of one measurement. On hire opens the charge and sets the condition baseline. Off hire closes the charge and compares the asset against that baseline. Neither is meaningful alone.
Most rental disputes trace back to an asymmetry between the two. Fleets that run a detailed off hire inspection but a casual on hire record have built a comparison with only one side of it, and the difference they measure is not damage. It is the gap in their own record keeping.
- Same views, both ends. If the on hire record shows four corners and the off hire record shows eight angles, the four extra angles are evidence of nothing.
- Same conditions. A clean asset in daylight against a muddy asset at dusk produces phantom damage that costs real money to argue about.
- Same grading language. Both records should describe condition using the same scale, which is what condition grading exists to provide.
- Same timestamps. A record dated three days after collection is a record of what happened in those three days too.
What belongs in an on hire record
Enough to answer the questions a return dispute will ask, and no more. Asset and serial or fleet number, meter or odometer reading, fuel or charge level, accessories and attachments going out with it, and a consistent set of images covering every face of the asset plus the known damage-prone areas.
Add the things people forget: the operator manual and any inspection certificate travelling with the unit, and confirmation of who signed for it. For assets with a statutory examination regime, note where the unit sits in its inspection frequency cycle, because a hire that outlasts the next due date is the hirer's problem to schedule.
What on hire is commonly confused with
On hire is not delivery, and it is not acceptance. Delivery is a logistics event. Acceptance is a legal one, and under the CPA conditions accepting plant on site implies acceptance of the hire terms with it. An asset can be on hire and charging while it sits on a lorry, undelivered and unaccepted.
It is also not the same as utilisation. On hire measures contractual status, not whether anything is being done with the machine. A unit parked in a compound for five weeks is fully on hire and entirely unproductive, which is a hirer problem rather than an owner problem.
The practical difficulty is that the person handing an asset over is rarely the person who will argue about it later. Venta Capture, a product of VentaVid, addresses that by sending the driver or site contact a guided capture link, so the same views, readings and questions get recorded at every handover instead of whatever that individual thought to photograph. The result is one comparable rental condition report at both ends of the hire.
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