Practical review
What to check in this situation
- Separate gross pre-injury earnings, PIAWE, current weekly earnings, capacity to earn and the net amount deposited.
- Check each overtime, allowance, commission, bonus, leave, super and compensation entry against the current category.
- Match the earning-period days to the earnings used and identify each concurrent job or material earnings change.
Records that may help
Keep the PIAWE decision and worksheet, payslips, payroll export, rosters, contract and variations, award or enterprise agreement, leave records, bonus terms and second-job earnings.
Next procedural step
Use the PIAWE calculator as a screening tool, then request the insurer's written calculation and a recalculation or dispute review if the legal inputs do not match the records.
What to do if your PIAWE rate looks wrong
A wrong PIAWE rate should be checked against the insurer's written PIAWE decision and the relevant pre-injury wage evidence. For most workers injured on or after 21 October 2019, PIAWE generally starts with gross earnings over the 52 weeks before injury, subject to specific adjustments and exclusions. Earlier injuries, exempt workers, coal miners, volunteers and dust-disease claims require different rules to be checked.
- • Find the insurer's actual PIAWE calculation or payment-rate letter.
- • Compare it against payslips, rosters, overtime history, allowances, and any second-job income.
- • Check whether the wrong rate is now affecting later weekly-payment calculations and indexation.
- • Put any recalculation request in writing with supporting wage evidence before the insurer treats the bad number as settled.
Current PIAWE rules
PIAWE facts worth checking against the insurer calculation
For the current framework, PIAWE is generally gross earnings divided by the relevant earning-period weeks.
Starting employment, a financially material earnings change and at least seven consecutive unpaid-leave days can change the period.
Each job held at the injury date is calculated separately, then the averages are added.
For employment under four weeks, expected earnings in that employment over the next 52 weeks may be relevant.
A current PIAWE decision may be challenged by optional insurer review or direct PIC dispute.
If a PIAWE decision increases the amount, SIRA states the adjustment payment is due within 14 days.
PIAWE is not ordinary take-home pay
A lower bank deposit does not identify the source of an error. Separate the statutory wage base, the post-injury earnings and capacity inputs, and the net payment before comparing figures.
| Figure | What it means | What to check |
|---|---|---|
| PIAWE | The statutory gross pre-injury weekly earnings base. | Earning period, included and excluded payments, each concurrent job and indexation. |
| Current weekly earnings | Relevant gross earnings received after injury. | Payslips, hours, leave and the exact compensation week. |
| Capacity to earn | What the insurer says the worker can earn in suitable employment. | The separate work capacity decision and vocational and medical evidence. |
| Take-home payment | The net deposit after tax and payroll adjustments. | Insurer remittance, employer payslip and bank receipt. |
Why PIAWE matters more than most workers realise
The PIAWE baseline is the figure used to calculate your weekly payments after a work injury. If the insurer gets that starting number wrong, every later payment period can be wrong too. That means an apparently small mistake in overtime, allowances, penalties, commissions, or second-job income can turn into months or years of underpayment.
In practice, PIAWE disputes are rarely just maths problems. A weak or incomplete wage calculation often turns into a broader strategy problem once the insurer starts relying on the same wrong number during section 36, section 37, section 38, or section 39 stages. That is why it helps to check the rate early and compare it against your payslips, rosters, contract terms, and the way your real work pattern operated before injury.
What may be included in PIAWE
- Base wages or salary
- Shift, overtime and other allowances under the current framework
- Commissions or piece rates
- A bonus or other payment the employer was obliged to pay
- The cash value of a non-monetary benefit that is no longer available after injury
- Average earnings from every job held at the date of injury
Compulsory employer superannuation, compensation for lost earnings, retained non-monetary benefits and discretionary payments made without obligation are excluded under the current framework. A payslip label such as "bonus" is not conclusive: retain the contract, policy, award or established entitlement showing whether payment was obligatory.
Documents worth checking straight away
- Payslips for the relevant pre-injury period
- Group certificates, payroll summaries, or income statements
- Employment contract and any variation letters
- Rosters, overtime records, and allowance history
- Second-job records where relevant
- The insurer's actual calculation letter and remittance history
What usually goes wrong before a PIAWE dispute surfaces
The usual PIAWE dispute starts before the worker notices the pattern. Usually the underpayment has already been running for a while, and the insurer has started using that wrong number as if it were the settled baseline for the rest of the claim.
The insurer uses a stripped-back wage figure
The common stripped-back calculation starts with ordinary base pay and quietly leaves out overtime, shift patterns, allowances, or commissions that formed a real part of weekly earnings. Once that number becomes the baseline, later sections of the claim can all be distorted.
Workers trust the first letter too much
The first calculation can look correct because it arrives in a formal letter. In reality, it is worth checking the insurer's maths against real payslips, especially where the pre-injury year included roster variation, night shift, public holiday work, or changing hours.
The rate issue is discovered after payments drop
Some workers only notice the rate problem when the claim moves into a different payment stage and the weekly amount falls again. At that point, you may need to compare your file against the section 36 guide and the section 37 rate guide.
PIAWE is treated separately from the wider dispute
In reality, PIAWE often overlaps with work-capacity decisions, section 78 issues, and payment stoppage pressure. If the insurer is already reducing support, it can help to review the broader dispute picture, not just the wage spreadsheet in isolation.
What often gets missed in NSW PIAWE calculations
Overtime and penalties
Regular overtime, shift penalties, weekend rates, and public holiday patterns are common underpayment points. The insurer may treat them as irregular even when they were a stable part of your pre-injury earnings.
Allowances and commissions
Site allowances, leading-hand payments and commissions may be earnings for work performed. A genuine expense reimbursement is different, so the payment description and employment records need to be checked rather than assuming every travel payment is included.
Multiple jobs or concurrent employment
If you held more than one job, the underpayment can be far more serious because the insurer may have built the whole claim around one employer's wages only. Compare this with the multiple jobs guide.
The wrong baseline carrying into later stages
A low starting figure does not just hurt the early weekly payments. It can distort rate changes, indexation, and later arguments about whether payments should reduce or stop.
How PIAWE is usually assessed in practice
The broad idea is simple: what were your average pre-injury weekly earnings before the accident or injury? The hard part is deciding which earnings count, over what period, and how irregular work patterns should be treated. That is where a lot of disputes start.
If employment began less than 52 weeks before injury, the period generally starts when that employment began. It may start later after an ongoing, financially material earnings change. Periods of at least seven consecutive days without earnings beginning with unpaid leave are excluded. Employment under four weeks has a separate expected-earnings rule.
For PIAWE decisions made after 1 July 2026, the current framework allows PIAWE by an approved worker-employer agreement or by an insurer decision. If information is incomplete, the insurer can make an interim PIAWE decision and should recalculate when the necessary information arrives. A worker can request an optional insurer review or lodge a PIC dispute.
For workers dealing with more than one employer or inconsistent hours, compare this page with the multiple jobs PIAWE guide.
Practical checklist if you think your PIAWE is wrong
- Find the insurer's calculation letter and identify exactly what earnings were counted.
- Compare that figure against your payslips, rosters, contract terms, and allowance history.
- Check whether the insurer used the correct pre-injury period and employment dates.
- Work out whether the issue affects the first 13 weeks only or the whole weekly-payments path.
- Use the request PIAWE recalculation page or the practical recalculation guide to prepare the next step.
- If payments have already dropped or stopped, cross-check the broader dispute pathway as well, including later-stage pressure points under section 38 and section 39.
How a weak PIAWE issue turns into a bigger dispute
A wrong rate often starts as a quiet payroll-style problem, then becomes a broader claim strategy problem once the insurer begins using it during later payment reviews, work-capacity decisions, or section 78 notices. The longer the baseline stays wrong, the easier it is for the insurer to build the rest of the file around it.
Bad PIAWE can magnify payment reductions
If your section 36 or section 37 rate was already low, later reductions can feel even harsher because they are being calculated off a figure that was never right in the first place.
Capacity disputes can hide the wage issue
Once the insurer starts talking about current work capacity, suitable duties, or earnings you could supposedly make, the PIAWE problem may be buried under a broader dispute narrative. Compare the file with the work capacity decisions guide.
Section 78 pressure can lock in the wrong story
Formal notices can present the insurer's version of the rate, capacity, and entitlement history as if it is already settled. That is why clean written challenges matter more than ongoing phone arguments.
The file may need PIC escalation
If the insurer will not correct the wage baseline, the next step may be a properly prepared dispute rather than another informal request. Review the PIC dispute process before arrears and document gaps become harder to manage.
Illustrative example
Separate included earnings from excluded payments
Assume a valid 20-week earning period contains $20,000 of wages, paid leave, overtime and shift allowances. The payroll file also shows $2,000 compulsory employer superannuation and a $500 discretionary payment that the employer was not obliged to make. Under the current framework, the illustration uses the $20,000 included earnings and divides by 20 weeks, producing a raw PIAWE of $1,000. It does not add the excluded super or discretionary payment.
This is a method example, not a weekly-payment estimate. A real calculation requires the legally correct earning period, evidence about every payment category, any concurrent employment and the applicable decision and indexation rules.
Frequently asked questions
What should I do in the early triage stage if my PIAWE rate looks wrong?
Get the insurer's written calculation letter, compare it against payslips, rosters, overtime and allowances, and then make a written recalculation request that identifies each missing item and asks for a response timeframe.
What does PIAWE mean in NSW workers compensation?
PIAWE means Pre-Injury Average Weekly Earnings. It is the average gross amount you earned before injury and is used to calculate weekly compensation payments in NSW.
What is usually included in a PIAWE calculation?
Depending on the injury date and applicable rules, PIAWE may include base wages, paid leave and loadings, overtime and shift allowances, commissions, piece rates, an obligatory bonus and certain withdrawn non-monetary benefits. A discretionary payment made without obligation is excluded under the current framework.
Why can weekly compensation be lower than my normal take-home pay?
PIAWE is a statutory gross pre-injury earnings base, while the weekly payment formula also applies the entitlement-period percentage, current weekly earnings, work capacity and the indexed maximum. The net bank deposit can then be affected by tax withholding. These figures must be checked separately.
Can I challenge a wrong PIAWE calculation?
Yes. For a PIAWE decision made under the current framework, you may request an optional internal insurer review or lodge a dispute with the Personal Injury Commission. Internal review is not a mandatory first step.
Can a wrong PIAWE rate keep affecting payments after 130 weeks?
It can. A low baseline can carry into later payment stages and distort later decisions, so written correction and arrears requests should be made early.
How is PIAWE calculated if I worked less than 52 weeks?
If employment started less than 52 weeks before injury, the earning period generally starts on the first day of that employment. A special rule may apply where employment lasted less than four weeks, using the earnings the worker could reasonably have expected in the following 52 weeks.
Need urgent help checking a PIAWE underpayment?
If the insurer's number looks too low, act before the wrong figure keeps rolling into later weekly-payment decisions. Early review usually gives you the best chance of fixing the rate cleanly.
Related PIAWE and weekly payments pages
- Estimate PIAWE with the NSW calculator
- Weekly payments hub
- Workers compensation services (NSW)
- Request a PIAWE recalculation
- PIAWE indexation guide
- PIAWE for multiple jobs
- Part-time work and current weekly earnings
- Weekly payments stopped guide
- PIAWE recalculation request NSW guide
- Section 36 weekly payments guide
- Section 37 weekly payments rate guide
- Section 38 payments after 130 weeks guide
- Section 39 260-week limit guide
- Dispute work capacity decisions
- Challenge a section 78 notice
- PIC dispute process
- NSW workers compensation insurers list
- Start free claim check