Work accident in Spain: sick pay, INSS and compensation
A work accident in Spain is not only an employer issue. It may involve the work mutual insurer (mutua), INSS, sick leave, safety investigation, benefit surcharge and sometimes a civil claim. The safest route starts by documenting the accident report and medical chronology.
A work accident can happen at the workplace, on a work trip or, in some cases, on the way to or from work.
Mutua/INSS handle the medical and benefit-related parts; employer safety failures may open a separate route.
If the employer pressures you to describe it as non-work-related, document the facts before signing.
- Employees, temporary workers, domestic workers, delivery riders, construction workers and autónomos with work-contingency coverage.
NAVICheck your accident compensation — how much and how to claim
NAVI explains how to claim compensation.
Your rights before you accept anything
- Ask for the responsible insurer, reference number and written position.
- Do not sign a final settlement, waiver or statement you do not understand.
- Keep your medical records, repair documents, travel receipts and correspondence organised in chronological order.
Deadlines and urgency
- Document your injuries and damage as soon as possible; medical reports or damage assessments produced much later are easier for the insurer to challenge.
- Keep every notification date. Deadlines can run from receipt, not from when you understood the document.
- If the insurer makes an offer or denial, check it before accepting or replying.
- Accident report, workplace messages, witness names, photos, risk-prevention documents and PPE records.
- Mutua reports, sick-leave documents, INSS notices, payroll and contract.
- Proof of employer instructions, safety breach or pressure to change the version.
Check an insurance document for €9.90
Safe order of actions
- First, make sure everyone is safe and preserve the evidence: seek emergency care, take photos, record witness details and obtain the official accident reference where available.
- Gather the relevant documents: reports, invoices, the policy, messages, and any offer or denial.
- Identify who may be responsible for your claim: the insurer, transport company, employer, clinic or public authority.
- Once you have gathered the necessary documents, send the appropriate written claim or complaint and proceed to the next stage if necessary.
A real case: a 52 cm gap in a site staircase cost the employer a 30 % surcharge
A formwork carpenter on a building site in the Region of Murcia was walking down a site staircase at the end of his shift, carrying a basket of tools, when he fell through a gap between the steps and a partition wall. The gap was 52 cm high and had no railing, no barrier and no warning sign. The Labour Inspectorate proposed a surcharge on his benefits and INSS imposed 30 %. The company challenged it: the fall was a mere accident, and the worker had helped build the very staircase he fell from. Social Court No. 2 of Cartagena kept the surcharge, and the High Court of Justice of Murcia confirmed it: an employer must foresee even a worker's own inattention, and an unprotected opening of that size is a breach of the safety measures the law requires. The company was also ordered to pay €800 in costs.
What was not obvious. The surcharge is not a separate compensation you have to sue for from scratch — it is a percentage added to every cash benefit (prestación económica) of Social Security that flows from the accident (sick pay, permanent disability, survivors' benefits — not to healthcare or other in-kind services), and the employer pays it personally: the law forbids insuring it. The argument "the worker built the staircase himself" did not shift responsibility, because the duty to keep the site safe stays with the employer.
Outcome: the 30 % surcharge on the cash benefits the worker receives for the accident was confirmed, plus €800 in costs charged to the company. The route ran Labour Inspectorate → INSS → Social Court → High Court of Justice.
The rule is current: art. 164 of the General Social Security Act (LGSS) sets the surcharge at 30–50 % depending on the seriousness of the breach, places it directly on the infringing employer, bans any insurance for it and keeps it compatible with civil and criminal liability. The employer's duty to guarantee safety "in all aspects related to work" is art. 14 of the Prevention of Occupational Risks Act (LPRL). The percentage in each case depends on the facts; this judgment was confirmed on appeal (recurso de suplicación).
The guide above describes the mutua/INSS route. This case shows the separate route the guide only mentions: what a safety breach adds on top of the ordinary benefits, and which employer argument did not work.
Check my work-accident routeMistakes that weaken the claim
- Signing a statement, version of events or settlement simply because someone tells you it is “standard”.
- Relying on phone calls instead of written decisions and calculations.
- Throwing away travel receipts, medical records, repair documents or messages because they seem unimportant.
If they deny, delay or offer too little
- Ask for the reason for the decision and the calculation in writing.
- Compare the insurer’s decision with your documents and evidence before challenging it.
- If the refusal or low offer is based on a dispute over liability or the valuation of your loss, prepare a written complaint and attach the supporting evidence.
Prepare a complaint against a refusal or low offer
Work accident in Spain?
NAVI checks the mutua/INSS route, safety-risk angle and the next document to prepare.
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Related accident guides
FAQ
Should I sign the insurer document?
Only after you understand what it closes: injuries, material damage, future treatment and any waiver.
Can I claim if I am a foreigner or tourist?
Yes. Residence status is not the key issue for an accident claim; proof, responsibility and deadlines are.
Is a phone answer enough?
No. Ask for the decision, calculation or request in writing.
Sources
- Ley General de la Seguridad Social — accidente de trabajo y recargo (BOE)
- Ley de Prevención de Riesgos Laborales (BOE)
- Seguridad Social
Informational guide, not legal representation. Exact deadlines and strategy depend on the documents and facts.
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This guide is general information about Spanish law, not a legal opinion on your case. Rules change and outcomes depend on your own facts and documents — check your situation before you act on it.
Need everyday protection, not just a one-off check?
Included: checks of Spanish documents, letters, requests and contracts before signing, Action Plans, consultation and sending your claims by burofax.