Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
If you employ casual staff in Western Australia, you’ll be dealing with casual loading. Getting it right matters - it affects your hourly rates, weekend and public holiday pay, and your overall payroll costs.
In WA, the casual loading rate is commonly 25%, but there are important nuances depending on whether you’re covered by the national Fair Work system or the WA state industrial relations system, and which award (if any) applies to your business.
In this guide, we’ll break down how casual loading works in WA, how to confirm the correct rate, how to calculate the casual hourly rate for your team, and the key legal steps to stay compliant.
What Is Casual Loading And How Does It Work In WA?
Casual loading is an extra percentage paid on top of the base hourly rate for casual employees. It compensates for entitlements casuals don’t receive, such as paid annual leave, paid personal leave and notice of termination.
For many WA businesses, the casual loading rate is 25%. However, the exact percentage and how it’s applied comes from the instrument that covers your employees - usually a modern award under the national system, a WA state award, or the WA Minimum Wage Order if no award applies. Some enterprise agreements can also set the rate for your workplace.
Key points to remember about casual loading:
- It applies to casual employees only (not full-time or part-time employees).
- It’s generally expressed as a percentage (commonly 25%) added to the “base rate” or “minimum hourly rate.”
- It interacts with penalty rates and overtime - often the penalty is calculated on the loaded casual rate, but always check the specific award clause.
- It doesn’t replace other entitlements that might still apply to casuals (for example, some allowances or minimum engagement rules under awards).
Are You In The WA State System Or The National System?
Before you set rates, confirm which industrial relations system you’re in. WA is unique because both the state and national systems operate side-by-side.
How To Work Out Your Coverage
- National system: Most proprietary limited companies (Pty Ltd) in WA are covered by the national Fair Work system. Your employees are usually covered by a national modern award (or, if no award applies, the national minimum wage plus casual loading).
- WA state system: Sole traders, unincorporated partnerships, some trusts and some not-for-profits may fall under the WA state system. Here, WA state awards or the WA Minimum Wage Order set minimums, including casual loading.
If you’re unsure, you can identify the applicable award and system first, then confirm the casual loading clause in that instrument. Getting award coverage right is part of your award compliance obligations as an employer.
How Much Is Casual Loading In WA?
In practice, “how much is casual loading in WA?” often has a straightforward answer: 25% loading. That said, you must check the correct industrial instrument:
- Modern awards (national system): Most modern awards set a 25% casual loading, but a few have different rates for specific classifications, times of day or industry contexts.
- WA state awards: Many WA state awards also specify 25%, though you should confirm the exact clause and whether any transitional or classification-based variations apply.
- Minimum wage orders: Where no award applies, the relevant minimum wage instrument (national or WA) typically sets the casual loading rate (commonly 25%).
- Enterprise agreements: If your business has a registered enterprise agreement, its casual loading terms will apply (and must meet the “better off overall test” compared to the underlying award).
Because penalties, allowances and engagement rules vary widely between awards, avoid assuming that “25% across the board” will cover every scenario. Always check the wording of the applicable instrument.
How To Calculate Casual Rates (With Examples)
Once you’ve confirmed the applicable award or instrument and the casual loading percentage, calculating the casual rate involves three steps:
Step 1: Identify The Base Hourly Rate
Start with the employee’s base award rate for their classification and pay level. If there’s no award, use the applicable minimum wage instrument. Make sure you’re using the current rate (award rates and minimum wages are typically reviewed annually).
Step 2: Add The Casual Loading
Add the loading percentage to the base rate to get the casual “ordinary hours” rate. For a common 25% loading:
- Example: Base rate $25.00 per hour + 25% casual loading ($6.25) = $31.25 per hour (casual ordinary rate).
Step 3: Apply Penalty Rates Or Overtime (If Worked)
Next, apply any penalties or overtime according to the award. Many awards calculate penalties on the casual rate (which already includes loading), but some use a different method for certain penalties. The award clause governs the correct order of operations.
- Example (illustrative only): If Saturday rates are 125% for casuals under your award, and the casual rate is $31.25, then Saturday may be $39.06 per hour. Your award will specify whether that 125% already assumes the 25% loading or is applied to the loaded rate - always follow the wording.
Penalty structures can be complex, so it’s helpful to review your award’s penalties alongside an overview of penalty rates generally to ensure your payroll settings are accurate.
Casual Loading Vs Penalties, Overtime And Leave: What’s The Difference?
It’s common to mix up casual loading with penalty rates and overtime. Here’s how they fit together.
Penalty Rates
Penalty rates compensate for working at certain times (e.g. weekends, late nights, public holidays). Casual employees usually receive both the 25% loading and the relevant penalty rate, but awards specify whether penalties are applied on top of the loaded rate or in another sequence.
Overtime
Many awards set overtime rules for casuals (for example, hours beyond a certain daily or weekly limit, or outside a rostered span). Overtime rates apply in addition to casual loading where the award says so, and again, the calculation method is award-specific.
Paid Leave
Casual employees don’t receive paid annual leave or paid personal/carer’s leave, which is why the loading exists. That said, casuals may be entitled to unpaid carer’s leave, compassionate leave and other minimum protections under the Fair Work framework or WA state laws.
Maximum Hours And Rostering
Even with casuals, you must comply with rules about hours, breaks and rostering. Have a look at your award alongside general guidance on maximum working hours and rostering requirements to ensure your scheduling and payroll align.
What Employers In WA Should Do Now (Step-By-Step)
If you’re employing casuals in WA, here’s a practical checklist to put your obligations on firm footing.
1) Confirm Your Coverage And Award
- Determine whether you’re in the national system or the WA state system.
- Identify the correct award (if any) for your employees and classification levels.
- If an enterprise agreement applies, confirm its current status and casual loading clause.
2) Lock In The Correct Casual Loading Rate
- Locate the loading percentage in the award or minimum wage instrument (commonly 25%).
- Check how penalties and overtime interact with the casual rate - the award wording is key.
- Update payroll software so it calculates the casual ordinary rate and penalties correctly.
3) Put Clear Casual Employment Contracts In Place
- Issue a tailored Employment Contract that states casual status, the applicable award, and how pay (including loading and penalties) is calculated.
- Consider whether your contract should include appropriate provisions around set-off clauses if you pay above-award rates, so there’s clarity about what those rates are intended to cover.
- Make sure your onboarding material and rosters reflect minimum engagement periods, breaks and other award conditions.
4) Keep Fair Work/WA Obligations Front-Of-Mind
- Provide any required casual conversion information and follow the latest conversion rules where applicable.
- Follow notice and cancellation rules for shifts - see guidance on notice requirements for casual employees and your specific award clauses about minimum engagement and cancellation.
- Monitor reviews of award rates and minimum wages annually and adjust payroll promptly.
5) Sense-Check Your Pay Strategy
- If you pay above award, ensure your approach still keeps employees better off overall and is documented. Reading up on above award wages can help you structure this correctly.
- Train payroll and rostering staff so penalties, overtime and loading are applied consistently and accurately.
Roster Changes, Shift Cancellations And Casuals: Don’t Forget The Rules
Casuals are often scheduled at short notice, but there are still rules about changes and cancellations that can affect what you must pay. Many awards set minimum engagement periods (for example, a minimum of 2 or 3 hours per shift) and prescribe what happens if you cancel a shift after it’s been accepted.
If your business relies on dynamic rostering, it’s worth aligning your rostering software and processes with the award’s clauses on notice for shift changes, cancellation and minimum engagements. Our practical guides on notice requirements for casual employees and broader rostering requirements can help you map these obligations clearly.
Common Mistakes WA Employers Make (And How To Avoid Them)
Assuming 25% Solves Everything
While 25% casual loading is common, awards set different rules for penalties, overtime and allowances. Always check how those apply to casuals in your industry.
Not Updating Contracts And Onboarding
Using generic or outdated templates can cause confusion about casual status and pay. A tailored Employment Contract that references the correct award and calculation method will save headaches.
Ignoring Award Variations Or Annual Wage Reviews
Rates change. Build a process to review awards and minimum wages annually and flow updates through to payroll and rosters promptly.
Overlooking Rostering And Cancellation Rules
Minimum engagements, notice and cancellation clauses can trigger pay even if a shift doesn’t go ahead. Align your practices to avoid underpayments and disputes.
Paying Above Award Without Clear Intent
If you pay more than the award, be clear about how those rates interact with penalties and loading. Understanding above award wages and using a well-drafted set-off clause can reduce the risk of double-counting or underpayments.
What Legal Documents Will Help You Stay Compliant?
- Employment Contract (Casual): Sets out casual status, applicable award, pay structure (including loading, penalties and overtime) and key conditions. Helps avoid misunderstandings and disputes.
- Workplace Policies: Clear policies on rostering, shift acceptance, breaks and overtime ensure consistency. These also support compliance with minimum engagement and notice rules.
- Payroll And Record-Keeping Processes: Accurate timekeeping and pay records are a legal requirement and your first line of defence in any wage claim.
- Award Coverage Notes: Keep a simple internal reference explaining which award applies to which roles, including classifications and common penalty clauses, so managers schedule correctly.
If you’re implementing or updating documents, our team can help you put in place a tailored Employment Contract for casuals and ensure your practices align with your award compliance obligations.
FAQs: Casual Loading Rate In WA
Is Casual Loading In WA Always 25%?
It’s commonly 25%, but always check the applicable award or minimum wage instrument. Some industries or classifications may have specific rules or transitional arrangements.
Do I Pay Casual Loading And Penalty Rates?
Usually yes - casual loading and penalties are separate concepts. Awards specify how penalties are calculated for casuals and whether they’re applied to the loaded rate. Always follow the exact clause.
Can I Pay Above Award To Keep Things Simple?
Many employers do, but you must ensure employees are still better off overall and document your approach. Consider how above award wages and set-off clauses work in practice to avoid underpayments or double-counting.
What If I Need To Cancel A Casual Shift?
Check your award’s minimum engagement and cancellation rules. There may be pay obligations even if a shift doesn’t proceed. It’s also wise to align your processes with guidance on notice requirements for casual employees.
Key Takeaways
- Casual loading in WA is commonly 25%, but the correct rate and calculation method depend on your award, enterprise agreement or minimum wage instrument.
- Confirm whether your business is in the national Fair Work system or the WA state system, then identify the exact award clause setting casual loading, penalties and overtime.
- Calculate the casual rate by starting with the base award rate and adding the loading; then apply penalties and overtime strictly in line with the award’s wording.
- Use a tailored Employment Contract for casuals, align your rostering and shift cancellation practices with award rules, and keep payroll settings up to date.
- If you pay above award, make sure your approach keeps employees better off overall and consider set-off clauses to avoid double-counting.
- Build a yearly process to update rates after wage reviews and train your payroll and rostering teams to reduce underpayment risks.
If you’d like a consultation on setting the correct casual loading rate in WA and updating your contracts and payroll settings, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








