Drug Classifications & Maximum Penalties
The Misuse of Drugs Act 1971 classifies controlled drugs into three categories. Classification affects both the penalty and how courts treat the offence at sentence.
- Heroin, cocaine, crack, MDMA, LSD, methadone, magic mushrooms (psilocybin)
- Possession: up to 7 years + unlimited fine
- Supply / production: up to life imprisonment
- Cannabis, amphetamines, ketamine, synthetic cannabinoids (Spice)
- Possession: up to 5 years + unlimited fine
- Supply / production: up to 14 years
- Anabolic steroids, benzodiazepines (non-prescribed), GHB/GBL, khat
- Possession: up to 2 years + unlimited fine
- Supply / production: up to 14 years
The Drug Offences — What Each Requires
Unlawful possession of a controlled drug. Prosecution must prove knowledge that the substance was a controlled drug (R v McNamara). Small quantities consistent with personal use. First-time possession of cannabis may attract a community resolution or conditional caution rather than prosecution.
Possession of a controlled drug with intent to supply to another. "Supply" includes giving drugs for free. The prosecution infers intent from quantity, packaging (multiple wraps), presence of cutting agents, scales, a drug phone, or large amounts of cash. A solicitor challenges the inference of intent.
Supplying or offering to supply a controlled drug, or producing one (including cultivation of cannabis). Sentencing depends heavily on role in the supply chain: the Sentencing Council Guidelines distinguish leading, significant, lesser, and minimal roles.
Cultivating any plant of the genus Cannabis. Often charged alongside PWITS. A key issue is whether the plants were for personal use or supply. Grow scale, number of plants, and presence of commercial infrastructure (hydroponic equipment, fans, timers) all inform the charge.
County Lines, Exploitation & the Modern Slavery Defence
"County lines" refers to the use of mobile phone lines to supply drugs from urban centres into smaller towns, typically using vulnerable people — children, those with addiction or mental health issues — to transport and sell drugs. People drawn into county lines operations are frequently victims of exploitation rather than willing participants.
The Modern Slavery Act 2015 s.45 provides a statutory defence to certain offences (including drug supply) where the defendant:
- Was a victim of slavery, trafficking, or exploitation when they committed the offence
- Committed the offence as a direct consequence of that exploitation
- A reasonable person in the same situation with the same characteristics would have had no realistic alternative
This defence applies to most drug supply offences and requires early identification of the exploitation and proper investigation of the defendant's trafficking history. A solicitor who recognises the signs of exploitation will gather the evidence needed to run this defence.
Frequently Asked Questions
How does police decide between possession and PWITS?
Police and the CPS infer intent to supply from: large or commercial quantities; multiple deal bags, wraps, or packages; the presence of cutting agents or scales; multiple mobile phones (especially a "deal phone"); large amounts of cash inconsistent with lawful income; messages on phones relating to drug transactions; and customer lists or debt records. A solicitor challenges each inference individually — presence of paraphernalia alone does not prove intent.
Can I be convicted if the drugs were not on my person?
Yes. "Possession" in law includes constructive possession — having drugs under your control, even if not physically on you. Drugs found in a shared house, a car you use, or a premises you control can all lead to prosecution if the prosecution can establish knowledge and control. A solicitor challenges whether you had knowledge and control of the specific substance.
What role distinction matters most at sentencing for drug supply?
The Sentencing Council's Drug Offences Guideline distinguishes: leading role (organising, directing, substantial financial gain); significant role (operating at a managerial level or with close supervision of others); lesser role (following instructions, little influence); and minimal role (an innocent dupe or someone with very little understanding). The difference between a lesser and leading role can mean the difference between a community order and many years in custody.
What is the modern slavery defence and who can use it?
Section 45 Modern Slavery Act 2015 provides a defence to most criminal offences where the defendant was a victim of slavery or exploitation and committed the offence as a direct consequence, with no realistic alternative. It is available to adults and children (with a broader defence for under-18s). A solicitor who identifies the signs of exploitation early can build the evidence needed — referral to the National Referral Mechanism (NRM), history of abuse, communications showing coercion.
Will I go to prison for first-time Class A possession?
Not automatically. For a first offence of simple possession of Class A for personal use, community orders, drug rehabilitation requirements (DRRs), and suspended sentences are all within the guidelines range. However, the seriousness of the drug, the quantity, and the defendant's personal circumstances all matter. For supply and production, even first-time offenders typically face custodial sentences, particularly for Class A.