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Accident at Work Compensation Calculator

This calculator estimates compensation for workplace injury claims, with a focus on the financial side — lost earnings, lost overtime, treatment costs, and the impact on future earning capacity. Workplace claims often have substantial special damages on top of general damages, particularly where the injury prevents a return to the same role or industry.

All UK employers are required to hold Employers’ Liability Insurance under the 1969 Act, with minimum £5 million cover. Claims are handled by the insurer, not paid by the employer directly. The calculator estimates total claim value combining both general damages (pain and suffering, JC Guidelines) and special damages (financial losses).

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Work accident compensation calculator

Based on the Judicial College Guidelines, 18th edition (2026).

How This Calculator Works

Select your injury type and severity for the general damages bracket. The special damages module then asks for your weekly earnings, how long you have been off work, your expected return-to-work date, and any other costs (treatment, travel to appointments, care). The calculator combines past lost earnings, projected future earnings loss, and out-of-pocket costs into a special damages total. Combined with general damages, this produces the estimated total claim value.

Loss of Earnings — the Crucial Workplace Factor

Loss of earnings is often the largest component of a workplace injury claim. The calculator captures past lost earnings (weekly take-home multiplied by weeks off, minus any sick pay actually received). For ongoing loss, it estimates the future earnings impact using a multiplier based on age and likely retirement date. Where the injury permanently prevents a return to the same occupation, the loss reflects the difference between previous earnings and reasonably achievable replacement earnings, often over many years.

Factors That Affect Your Work Accident Claim

  • Type and severity of injury
  • Whether you can return to the same role, a modified role, or no longer work
  • Your earnings level — higher earners have proportionally larger special damages
  • Self-employed claimants need to evidence lost work and contracts
  • Whether you received sick pay (and how much)
  • Pre-existing conditions — relevant if they affected your ability to work
  • Contributory negligence — particularly not wearing provided PPE or rushing under pressure
  • Whether RIDDOR reporting was made — improves the evidence base

What This Calculator Doesn’t Capture

Workplace claims sometimes involve additional heads of loss that the calculator doesn’t prompt for: loss of pension contributions, loss of benefits in kind (company car, healthcare), loss of overtime opportunities specifically, and loss of promotion or career progression. Where the injury is severe, these can add substantial value. The calculator also doesn’t reflect any separate employment tribunal claim that might arise if your employer treated you badly for claiming.

Next Steps

Workplace claims should always be discussed with a specialist solicitor, particularly where loss of earnings is substantial. The calculation of future loss is complex and small differences in methodology produce large differences in settlement value. No win no fee Conditional Fee Agreements are standard. The success fee is capped under LASPO 2012 at 25 per cent of general damages and past losses (future losses excluded).

Common Questions

Will my employer find out I’m claiming?

Yes — the claim is against your employer, so they will know. However, claims are handled through their insurance company commercially, not personally. UK employment law makes it automatically unfair to dismiss someone for asserting their right to claim, with no qualifying service period. In practice, dismissal or victimisation for claiming is rare and creates an additional employment tribunal claim if it happens.

What if I was partly responsible?

You can still claim. Contributory negligence reduces your compensation by the proportion of blame attributed to you — a 25 per cent reduction still leaves you with 75 per cent of the full value. Common contributory issues include not wearing provided PPE, rushing under time pressure, or being distracted. The employer’s primary duty to provide a safe system of work remains.

What counts as special damages?

Special damages are the financial losses caused by your injury — lost earnings (past and future), medical and rehabilitation costs, care costs (whether paid carers or unpaid family care valued at commercial rates), travel to medical appointments, equipment and aids, and home or vehicle adaptations where needed. These are added to your general damages (pain, suffering, loss of amenity) to produce the total claim value.

Can I claim if my employer has gone out of business?

Yes. Employer Liability Insurance policies are required to cover claims arising from accidents that happened while the policy was in force, even if the business has since closed. The Employers’ Liability Tracing Office (ELTO) maintains historical records of policies and a specialist solicitor can identify the right insurer.

How accurate is this calculator?

The calculator gives a directional estimate based on published guidelines. Actual settlements vary based on the specific facts of each case, the strength of evidence, the prognosis at the point of settlement, contributory negligence findings, and the negotiating position of the insurer. The figure should be treated as a starting point for understanding the range of possible outcomes — a specialist solicitor will give you a more precise figure after reviewing your medical evidence and circumstances.

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Gavin Cooper

Gavin Cooper

Claims Expert, Claims Bible

Gavin writes and reviews Claims Bible's guidance on compensation claims. Claims Bible is a trading style of Forces Compare Ltd, authorised and regulated by the FCA for claims management activities (FRN 785329).

Updated 5 August 2026 · Part of our Personal Injury guide

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