Arson Sentencing: Mental Disorder Must Be Evidenced to Reduce Culpability; Blame-Shifting Lies Not Aggravating Absent Consequences

1) Introduction

Aldrich, R. v ([2025] EWCA Crim 1415) is a sentence appeal arising from a major residential fire. The appellant, Perry Aldrich, was initially charged with arson being reckless as to whether life was endangered, but pleaded guilty shortly before trial to an alternative count of arson. The prosecution offered no evidence on the more serious count, and a not guilty verdict was entered under section 17 of the Criminal Justice Act 1967.

The incident occurred on 12 August 2022 during hot, dry conditions. After cutting hedge/bush foliage in a garden, the appellant lit a bonfire despite repeated warnings. The fire spread rapidly to a shed (containing a gas bottle), then to a block of flats. All residents escaped injury, but there was extensive property damage and profound personal impact on occupants.

The key issues on appeal were: (i) whether the appellant’s mental disorder/learning disability should have reduced culpability from “medium” to a lower guideline category; and (ii) whether his lies blaming others should have been treated as an aggravating factor.

2) Summary of the Judgment

The Court of Appeal (Criminal Division) dismissed the appeal and upheld a sentence of 28 months’ imprisonment. It held that:

  • The sentencing judge was entitled, on the material before him, to assess the case as harm category 1 and medium culpability (category B1), notwithstanding evidence of mental health diagnoses and learning difficulties.
  • Applying R v Norris [2024] EWCA Crim 68, the appellant’s attempts to blame others should not be treated as aggravating where there were no adverse consequences to the investigation or to a wrongly blamed person; however, it was unclear whether the judge had in fact increased sentence for that reason.
  • The judge was justified in treating the extreme harm as warranting a sentence outside the guideline range for category 1B (after-trial notional sentence identified as 4 years), then making a substantial reduction for mental health and for the guilty plea.
  • Ultimately, the sentence was not manifestly excessive or wrong in principle.

3) Analysis

3.1 Precedents Cited

R v Norris [2024] EWCA Crim 68

Norris was central to ground 2. It drew on the Sentencing Council’s overarching approach (referred to in the judgment as “the general guideline”), which states:

“Where the investigation has been hindered and/or others have suffered as a result of being wrongly blamed by the offender, this will make the offence more serious. This factor will not be engaged where an offender has simply exercised his or her right not to assist the investigation or accept responsibility for the offending.”

The Court in Aldrich accepted (and the prosecution agreed) that, under Norris, merely blaming others is not aggravating unless it materially hinders the investigation/proceedings or causes real adverse impact on an identified third party.

Importantly, Aldrich shows how Norris operates in practice: even where a defendant’s lies go beyond a bare denial and involve repeated misattribution of blame, they do not automatically aggravate; the court looks for consequence-based seriousness (hindrance/harm).

The “Pritchard criteria”

The judgment refers to Dr Ghatak’s view that the appellant was unfit to plead measured against the “Pritchard criteria”. While not analysed as a cited authority, its invocation is significant: it emphasises that an opinion directed to fitness to plead does not necessarily address culpability at the time of the offence.

Statutory provisions influencing the decision

  • section 232 of the Sentencing Code 2020: The Court set out the provision to confirm the sentencing court’s obligations to obtain and consider a medical report (unless unnecessary) and to consider information about mental condition and the likely effect of custody on that condition and treatment. This framed the Court’s assessment of whether the judge had adequate medical material and whether his approach was permissible on the evidence.
  • section 17 of the Criminal Justice Act 1967: Explained the procedural mechanism by which a not guilty verdict was entered on the original more serious count after the prosecution offered no evidence.

3.2 Legal Reasoning

(A) Culpability and mental disorder / learning disability

The appellant’s primary argument was that his vulnerabilities meant he “plainly” lacked the foresight required for a finding that he was reckless as to whether very serious harm to property would be caused, and that culpability should therefore have been assessed as category C.

The Court rejected this, focusing on three linked points:

  1. Nature and limits of the medical material before the sentencing judge: Dr Ghatak’s report was directed to unfitness to plead, not to culpability for the offence. The pre-sentence report mentioned poor consequential thinking and that mental health and drug use were contributory, but it remained limited on the specific question of how diagnoses affected recklessness in the circumstances of lighting a fire close to obvious fuel sources in extreme conditions.
  2. Recklessness inferred from concrete evidence of risk: The judge had photographs of the proximity of the fire to trees/shed/flats and evidence of explicit warnings (“not to have any fires or barbecues”) that were deliberately disregarded. This supported the conclusion that the appellant was reckless as to very serious property harm, even if the event was not “planned”.
  3. Two-stage handling of mental disorder within guideline methodology: The sentencing judge treated the offence as category B1 at step 1, but then made a “significant downward adjustment” for “mental disorder or learning disability not taken into account at step one”. The Court endorsed that approach on the material available: reduced responsibility was recognised, but not to the point of reclassifying culpability into the lowest bracket.

A practical subtext emerges: where a defendant seeks reclassification of culpability due to impairment, a report focused on fitness to plead may be insufficient unless it squarely addresses functional impact at the time of the offence (risk appreciation, impulsivity, ability to follow warnings, decision-making in context). Absent that, a sentencing judge is entitled to treat impairment as mitigation rather than as a category-changing factor.

(B) Lies, blame-shifting, and aggravation

The sentencing judge had treated the appellant’s lies—attempting to blame neighbours—as an aggravating factor. On appeal, both parties accepted that, applying R v Norris [2024] EWCA Crim 68, this was not properly aggravating on the facts because:

  • there was no finding that the investigation or proceedings were significantly impeded; and
  • there was no identified person who suffered due to being wrongly blamed.

The Court nonetheless declined to interfere because it could not see that the final sentence materially depended on this factor; rather, it was the exceptional harm that drove the sentence above the ordinary category range.

(C) Harm so extreme as to justify going outside the guideline range

The Court “stepped back” to assess overall proportionality. It emphasised:

  • repairs in the region of £3 million and rehousing costs nearly £1 million;
  • 21 flats damaged; 20 households made homeless;
  • loss of possessions (including for uninsured residents), looting, pets killed; and
  • severe psychological harm, including suicidal crisis and sectioning.

Even though no one died or was physically injured, the Court treated the human cost as the most important factor. It held that these consequences could justify a notional after-trial sentence outside the category range, while still allowing substantial mitigation for mental health and the guilty plea.

3.3 Impact

  • Clarifies the evidential burden for “reduced culpability” arguments: Defendants relying on ASD/ADHD/learning disability or other conditions to reduce culpability (not merely mitigate) should expect courts to require material that addresses culpability-relevant functioning, not just diagnosis or fitness-to-plead considerations.
  • Reinforces consequence-based use of blame-shifting as aggravation: By adopting Norris in a new factual context, the judgment strengthens the message that attempted scapegoating is not inherently aggravating; it becomes aggravating when it causes concrete harm or hindrance.
  • Confirms “exceptional harm” can move sentence beyond the category range even in non-life-endangering arson: The Court’s emphasis on homelessness, trauma, and life disruption signals that “harm” is not confined to physical injury; major community-scale residential loss may justify sentences beyond the normal range where the guideline mechanism permits.
  • Highlights practical consequences of undisclosed defence reports: The Court noted that additional psychiatric/psychological reports existed but were not served. While it did not criticise that decision directly, the case illustrates that unserved reports cannot assist in recalibrating culpability on appeal.

4) Complex Concepts Simplified

  • “Reckless”: In this context, proceeding with an obvious risk (here, lighting and maintaining a fire in hot, dry conditions near flammable structures) despite warnings and circumstances indicating danger.
  • “Culpability” vs “Harm” (Sentencing Guidelines): “Harm” reflects the seriousness of outcomes (damage, impact on victims). “Culpability” reflects blameworthiness (state of mind, awareness of risk, conduct). A condition may reduce culpability if it meaningfully impairs the offender’s ability to understand/control actions in relation to the risk.
  • “Manifestly excessive”: An appeal standard; the appellate court does not resentence simply because it might have chosen a different sentence, but intervenes only if the sentence is clearly outside the range of reasonable responses or based on error of principle.
  • “Outside the category range”: Guidelines provide ranges for typical cases. Courts may depart where features (especially harm) make the case exceptionally serious or unusual.
  • “Fitness to plead” and the “Pritchard criteria”: A separate question from guilt/culpability; it concerns whether the defendant can participate fairly in trial. A report aimed at fitness does not automatically show reduced responsibility for the offending itself.

5) Conclusion

Aldrich, R. v affirms two practical sentencing propositions in serious arson cases: (1) mental disorder or learning disability will not automatically lower culpability category without focused evidence of its impact on risk awareness and decision-making at the time of the offence, though it may justify substantial mitigation; and (2) under R v Norris [2024] EWCA Crim 68, lies blaming others are not aggravating unless they actually hinder the investigation or cause someone to suffer as a result of being wrongly blamed.

The Court’s refusal to interfere also underscores the weight that sentencing courts may place on catastrophic, life-altering consequences—especially homelessness and psychological trauma—even where there is no loss of life. In the broader context of guideline sentencing, the decision is a reminder that “harm” is multi-dimensional and that exceptional real-world fallout can justify moving beyond standard ranges, provided the reasoning is transparent and mitigation is properly credited.