First-Grade Prison Classification in Spain: How to Appeal (2026)
In this article
Key Takeaways
- First grade = closed regime
- An exceptional measure, with reinforced reasoning
- Grade reviewed every 6 months, living arrangements every 3
- Appealable before the Prison Supervision Judge
First-grade prison classification is the closed regime, the most restrictive situation in serving a sentence, designed for inmates classified as showing extreme dangerousness or a manifest inability to adapt to the ordinary and open regimes. Its application is exceptional and requires objective causes set out in a reasoned decision (Art. 10 LOGP), not the mere seriousness of the offence. The grade is reviewed at least every six months and, within the closed regime, the assigned living arrangements at least every three (Arts. 105 and 92.3 of the Prison Regulation), and classification or regression to first grade can be appealed before the Prison Supervision Judge and, against the judge’s order, by reform before the same judge and by appeal before the sentencing court.
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Classification in first grade is the most restrictive situation in serving a sentence. It means the closed regime, with strong limitations on movement and communal life. As criminal defence lawyers, we explain how to challenge it.
What First Grade Is
First grade corresponds to the closed regime, designed for inmates classified as showing extreme dangerousness or a manifest inability to adapt to the ordinary and open regimes. It is the most severe grade of the prison system.
When It Applies
The application of first grade is exceptional. Invoking the seriousness of the offence is not enough: the law requires extreme dangerousness or inability to adapt to be assessed on objective grounds in a reasoned decision (Art. 10 LOGP), based on factors such as those in Art. 102.5 of the Prison Regulation (a violent criminal history, membership of criminal organisations, involvement in riots or assaults, repeated serious disciplinary offences).
⚠️ An exceptional measure
First grade cannot become a disguised sanction. Case law requires objective, current facts justifying extreme dangerousness, not mere suspicion.
Periodic Reviews
First-grade classification is reviewed at least every six months (Art. 65.4 LOGP and Art. 105.1 of the Prison Regulation) and, within the closed regime, the assigned living arrangements are reviewed at least every three months (Art. 92.3). If the same Treatment Board confirms first grade for a second time, the inmate may ask for the next proposal to be made by the Central Penitentiary Observation Unit (Art. 105.3). At each review the administration must assess whether the causes persist or whether progression to second grade is appropriate.
How to Appeal First Grade
Classification or regression to first grade can be appealed before the Prison Supervision Judge and, against the judge’s order, by reform before the same judge and by appeal before the sentencing court. The defence works to rebut the reasoning, prove the inmate's progress and seek grade progression.
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Frequently asked questions
What is first-grade prison classification?
First grade corresponds to the closed regime, the most restrictive situation in serving a sentence, with strong limitations on movement and communal life. It is designed for inmates classified as showing extreme dangerousness or a manifest inability to adapt to the ordinary and open regimes.
When does first grade apply?
Its application is exceptional. Invoking the seriousness of the offence is not enough: extreme dangerousness or a manifest and serious inability to adapt must be assessed on objective grounds in a reasoned decision (Art. 10 LOGP), weighing factors such as those in Art. 102.5 of the Prison Regulation: a criminal history revealing a violent personality, especially violent acts, membership of criminal organisations, involvement in riots or assaults, repeated serious or very serious disciplinary offences, or bringing weapons or significant quantities of drugs into the prison. It cannot become a disguised sanction.
How often is continued first-grade classification reviewed?
Classification is reviewed at least every six months (Art. 65.4 LOGP and Art. 105.1 of the Prison Regulation) and, within the closed regime, the assigned living arrangements are reviewed at least every three months (Art. 92.3). At each review the administration must assess whether the causes that led to the closed regime persist or whether progression to second grade is appropriate.
How is first-grade classification appealed?
Classification or regression to first grade can be appealed before the Prison Supervision Judge and, against the judge’s order, by reform before the same judge and by appeal before the sentencing court. The defence works to rebut the reasoning, prove the inmate's progress and seek grade progression.
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This page is for information purposes only and does not constitute legal advice: every case requires individual assessment. How this content is produced and verified: editorial policy.