

Commercial · Keneden Park
Commercial-Grade Lock Replacement in Keneden Park
Head office wants every branch keyed alike under one system, and half the locations are still running whatever lockset the original contractor happened to install years ago.
In plain words
Where a home lockout is mostly about getting one door open again, a commercial lock replacement is mostly a decision about a system: how this one door's hardware fits into every other lock the business already manages. The locksmith examines the existing keying, whether cylinders are standard, interchangeable-core or restricted, and whether other doors should be keyed the same way as this one. New hardware is chosen to match the door's fire rating and occupant load where those apply, installed without altering the door's existing prep, and finished with keys cut, tested and recorded in the business's own key-control log.
How the visit goesThe kitchen delivery door gets shouldered open more than a hundred times a shift, and lately the latch slips past the strike plate instead of catching it on the first push.
Commercial-Grade Lock Replacement
How the visit goes


Checking how the current lock fits the business's key system
Every commercial building runs some kind of keying logic, even an informal one, and the locksmith maps it before touching hardware: is this cylinder on the same key as other doors, does it belong to a master or grand-master system, is it a standard keyway or a restricted one that only a specific supplier can cut? Getting this picture first means the new hardware can be ordered to slot into that structure, onto a fresh structure the business wants instead, or left standing alone if that is genuinely what is wanted.
Testing under real conditions before signing off
The finished hardware is cycled from both sides, under the door's normal swing and closing force, and by more than one person where staff are on site to try it, since a lock that operates cleanly for one hand may bind for another depending on height and grip. Any electric strike or reader tie-in is triggered several times to confirm consistent release. Only once the hardware performs the same way on repeated tries is the work considered finished rather than merely installed.
Ready for the next security decision
With current hardware and an accurate key-control record in place, the business is better positioned for whatever comes next: adding a location to the master key system, upgrading a single door to an interchangeable core so staff can rekey it without a service call, or answering an insurer's or landlord's question about what security is on a given door. None of that requires starting from scratch, because the replacement visit leaves behind hardware and documentation that a future decision can build on directly.
Commercial-Grade Lock Replacement
In the van
Mortise lock body
Heavy-duty cylindrical lockset
Strike plates and keepers
Hookbolt and deadlatch hardware
Electric strike

Commercial-Grade Lock Replacement
What affects the quote
Grade and duty rating of the lock
Hardware built for higher cycle counts and rougher daily handling costs more than a lighter-duty equivalent, and the right grade for a busy delivery door is not the same as for a quiet interior office.
Removal of old hardware
Whether old locks, cylinders and strikes are left with the business, disposed of, or kept as spares for a wider system is a small choice that can affect the time and scope named in the quote.
Condition of the existing door and frame
A door and frame in good condition accept new hardware into the existing prep with little extra work. Damage from a break-in, a cracked frame or a previously mis-cut mortise pocket adds repair time the quote accounts for separately.
What to have ready
- Has the door recently been forced, damaged, or shown signs of a break-in?
- Is the door part of a fire separation or a marked exit route?
- Do you have a record of the current keying or key-control log?
Commercial-Grade Lock Replacement: questions
QuestionsWho should hold the master key once the system is set up?
That is a decision for the business, not the locksmith, but the general practice is to limit master keys to the smallest number of people who genuinely need building-wide access, and to log who holds each one. Sub-master and change keys can then cover departments, shifts or single doors without every key holder carrying access to everything.
Do you match hardware to my building's existing key system?
Yes, that is usually the first decision made. The locksmith checks whether your doors already run on a master or grand-master system, an interchangeable-core setup, or a restricted keyway, and orders replacement cylinders that slot into whichever structure you want to keep or move to. Bringing a new door onto an existing system is generally simpler than starting that door on its own.
What is the difference between a mortise lock and a cylindrical lockset?
A mortise lock has its whole mechanism, latch, deadbolt and sometimes a separate handle function, built into one case that sits inside a pocket cut into the door's edge. A cylindrical lockset is a bored-in unit, simpler to service, common on standard commercial and residential doors alike. Which one your door takes depends on how it was originally prepped, not on preference alone.
Related services

- Master Key System DesignA property manager taking over a small commercial building inherits a shoebox of keys with no labels and no chart.
- Access Control InstallationAnother employee left and the keys never came back.
- Panic & Exit HardwareAfter the fit-out, the gym floor now holds more people than the old office space ever did, and the exit door at the back still has the same turn-lock it had when the room held desks.