Most people picture a smart locker as a clever cabinet. The cabinet matters, but it is the smaller part of the story. What turns a row of lockers into a system is the layer behind it: who opened which door, when, and why, all logged automatically. That record is the point. It is also where the category we work in, automated collections and returns, begins.
What a smart locker actually is
A smart locker is a secure storage compartment that is opened by digital access rather than a key, and is managed by software rather than a member of staff. People open a door with a staff card, a fob, or the browser on their phone. Every action is recorded. Administrators get a live view of how the bank of lockers is used, without walking the floor or keeping a spreadsheet.
That sounds simple, and the mechanics are. The value sits in what the software does with each event. A traditional locker tells you nothing once it shuts. A smart locker leaves a timestamped trail you can audit, report on, and act on.
How smart lockers work
The hardware
A smart locker has a few physical parts working together, and each one earns its place:
- The compartment. A sturdy door and body that take daily industrial use and keep whatever is inside out of sight and out of reach.
- The authentication panel. The reader that confirms who is at the locker. It works with the badge technology you already run, so a staff card or fob opens the door with no new credentials to manage.
- The smart lock. A lock that only releases after access is confirmed, with AES encryption between the locks.
- Connectivity. A module that ties each unit to the network, over wired LAN or cellular, and to the mobile journey where one is used.
- Charging. Optional in-locker power, so laptops, scanners and other devices charge while they sit inside and come out ready to work.
The hardware does not have to be new, either. Locker banks you already own can be retrofitted with smart locks and brought under the same software, which is often the fastest route in.
The software
The software is the part that turns compartments into a system. It sits between the locker and your wider operation, reads each event, and acts on it. With it, an administrator can:
- See locker use in real time, including who opened a given door and when.
- Set access permissions, so the right people get the right doors from day one.
- Send notifications, so the person expecting a collection knows the moment it is ready.
- Read transaction logs to spot the busiest and quietest units, and flag anything overdue.
- Pull reports for insight and for compliance, straight from the access data.
The management view: every door, every event, one live dashboard.
Integration is there when you want it, not a condition of starting. A pilot can run standalone, with connections into your wider systems phased in once the workflow has proved itself.
94%of locker management time can come back when the admin work, the logging, the chasing and the key handling, is handled by software instead of people.
The two core workflows behind every use case
Strip away the setting and every smart locker deployment is running the same short loop: something goes in, the right person is told, they take it out, and both ends are logged.
1DepositAn item goes into an assigned door and the compartment locks.
2NotifyThe right person is told it is ready and how to open the door.
3CollectThey confirm access with a badge or their phone and the door releases.
4LogBoth ends of the handover are recorded, so the audit trail keeps itself.
That loop is delivered through two core workflows. They are not two products, and they are not the limit of what the system does. They are building blocks: change what goes in the locker and who collects it, and the same two workflows run a long list of use cases.
Asset and device management
Teams issue, swap and reclaim shared kit through lockers: scanners, handhelds, laptops, radios. The software knows what is out, who has it and what is overdue, so a hot swap takes a locker rather than a handover, and a missing device is a report, not a mystery.
Click and collect
Orders and equipment are deposited for someone to pick up. The customer or colleague gets a notification, opens the door with a two-factor authentication (2FA) journey in their phone browser, no app to install, and the collection is logged the moment the door closes. The same bank can take drop-offs and returns in the other direction.
Between them, those two workflows cover use cases including:
- Shared device handout and return at warehouse shift change: scanners, handhelds, headsets, radios.
- IT equipment issue, swaps, repairs and returns across offices, including new starter kit ready for day one.
- Customer click and collect in store, with returns drop-off through the same bank.
- Courier and rider handovers for online grocery and quick-commerce orders.
- Charged equipment ready at collection, with in-locker power doing the work between uses.
- Any handover that needs an audit trail: controlled kit, tracked equipment, high-value assets.
If what you need to hand over is not on that list, it almost certainly still fits: underneath, it is one of these two workflows with different contents and a different collector. What changes between a warehouse, a shop floor and an office is not the loop. It is what is in the locker, who is collecting, and which numbers the software has to prove. So here is how it plays out in the three places we deploy.
Smart lockers in the warehouse
In a large warehouse, the assets in question are shared operative devices: scanners, handhelds, printers, headsets. When they are handed out manually, the site absorbs the waste quietly. Devices go missing or come back damaged with nobody accountable. Operatives queue at a cage at the start of every shift. Managers burn hours investigating losses and keeping spreadsheets that are out of date the moment they are saved.
Shift changeover is where it hurts most. A few minutes lost per operative does not sound like much, until it is multiplied by hundreds of people, across three shifts a day, at a site that runs almost every day of the year. That arithmetic is why device handover is one of the clearest continuous-improvement cases in warehousing.
A smart locker bank replaces the cage and the spreadsheet. Each operative badges in and takes a charged device from an assigned door; the return is logged the same way at the end of shift. The questions most sites cannot answer today, who had the device, when it went out, when it came back, whether it came back at all, become a report. For third-party logistics (3PL) operators, that report matters twice: once for the site's own economics, and again when the customer asks for evidence of savings and innovation on the contract.
£80kaverage saving per site, per year, for typical warehouse asset deployments, from reduced loss and damage, faster shift starts and less management effort.

Device handover through lockers at shift change — the workflow GXO runs for Nestlé.
The full workflow is on the warehouse asset lockers page, the GXO for Nestlé case study shows it running at scale, and the warehouse diagnostic puts a first number on what your current handover is costing.
Smart lockers in retail: click and collect and returns
In a store, the handover being automated is the customer one. Manual click and collect works until it is busy: every order means a colleague walking to a back room, finding the parcel and checking the customer off by hand, so the cost scales in a straight line with volume. At peak, the desk becomes a queue, back rooms overflow, and some retailers end up capping collection orders because stores cannot physically serve more, which is online demand turned away at the door.
A smart locker moves the handover to the customer. The order is deposited, the customer is notified, and they collect in seconds with a code or their phone, whenever suits them within store hours. No queue, no colleague pulled off the floor, and both ends logged. Returns run through the same bank as a self-service drop-off. The store keeps the footfall, and the visit stays an opportunity to sell rather than a service cost.

There is a strategic point here too. Customers are now used to collecting from third-party locker networks, and every order that migrates to one takes the visit, and the halo spend that comes with it, out of the store. Running collections through your own lockers keeps that journey, and the data behind it, yours. For the IT stakeholders reading: the collection journey runs with little or no customer personal data held in the locker system, and a pilot can run without integration, so the safe first step is genuinely small.
The economics are measured, not asserted: a pilot gives you cost per order, queue time and colleague minutes before and after, on your own stores. The retail click and collect and retail returns pages cover the journeys, our explainer on how click and collect lockers work goes deeper on the mechanics, and the collections diagnostic models your numbers.
Smart lockers for workplace IT
In a multi-site business, the handover problem belongs to IT. A laptop dies at nine in the morning and an employee is unproductive until someone can physically get a replacement to them. If the IT team is centralised and the workforce is hybrid and spread across offices, that means engineers travelling between sites to do handovers, tickets waiting on a diary, and senior leaders forming their view of IT from how long it took to get working again.
A smart locker turns the handover into a deposit. An engineer loads a replacement or a new starter's kit into a locker; the user gets a notification and collects with their staff badge or phone, whenever they are next in, including out of hours. Swaps, returns and repairs run the same way in reverse. The engineer stops travelling to hand things over, the user stops waiting, and every movement of kit is logged against the asset record.

For a lean IT team, this is coverage without headcount: faster resolution against support service level agreements (SLAs), fewer interruptions for engineers, and support that extends across sites and hours the team cannot physically be in. The IT asset and TechBar lockers page covers the workflow, the Microsoft case study shows it deployed, and the TechBar diagnostic sizes the saving for your setup.
What smart lockers replace
Across all three settings, the same old furniture goes: the key cabinet, the spreadsheet, the queue and the shrug. In their place:
- No keys, no PINs. Access runs on the badges people already carry or a browser journey on their phone, so there is nothing to lose, forget or reissue.
- Accountability by default. Live logs and a full audit trail answer who opened what and when, without anyone keeping records. The same trail is trusted by police forces for tracked equipment.
- Admin time back. Allocation, logging and chasing are the software's job, which is where that 94% of locker management time comes from.
- Space you can prove. Usage data shows which doors sit idle, so estates shrink to what is actually used and floor space goes back to work.
- Data that did not exist. A keyed locker produces no information at all. A smart locker produces the usage patterns that drive the savings case, the compliance report and the rollout decision.
Are smart lockers secure?
Security is usually the first question from IT and the fastest to answer. Each door stays locked until access is confirmed, and every open and close is logged with a timestamp against a known user. Communication between the locks is AES encrypted. eLocker's digital security is ISO 27001 documented and OWASP tested, and the workflows are designed to hold little or no personal data, which keeps General Data Protection Regulation (GDPR) reviews short.

How much does a smart locker system cost?
The honest answer is that it depends on the setup: how many doors you need, whether the hardware is new or your existing lockers retrofitted with smart locks, the workflow the software is running, and how many sites are involved. Two deployments of the same size can be priced quite differently because the workflows differ.
Rather than anchor on a generic figure, get in touch with a rough picture of your operation, what changes hands, how often, and where, and we will give you a quote for your project alongside the savings case it should be judged against.
Where to start
If you are weighing up smart lockers, start with the workflow, not the cabinet. Pick the place where things change hands most, devices at shift change, orders at the collection desk, or IT kit between offices, and look at how much time goes into logging and chasing it today. That number is what a smart locker is there to recover. From there, a pilot gives you a before-and-after you can put in front of finance, and the same platform and audit trail extend across the rest of the collections and returns ecosystem as you grow.
Frequently asked questions
What is the difference between a smart locker and a parcel locker?
A parcel locker usually belongs to a third-party network and serves carriers. A smart locker system is run by the business itself, on its own estate, for its own workflows, so the handover experience, the branding and the usage data all stay with the business.
Do smart lockers need an app?
No. Colleagues open doors with the staff card or fob they already carry, and customer collections use a browser-based two-factor journey on the phone, so there is nothing to install and no PIN to forget.
Can existing lockers be converted into smart lockers?
Yes. eLocker can retrofit smart locks and the management software to locker banks you already own, so you get the digital access and the audit trail without replacing the hardware.
What happens if something is not collected?
The software knows how long every door has been occupied, so uncollected items are flagged rather than forgotten. Reminders can be sent, and a colleague can be directed to the exact door to retrieve the item and release it back into circulation.