What Is CAMHS? The Tiers, the Referral Route, and Why Transport Matters
July 27, 2026
At A Glance
CAMHS stands for Child and Adolescent Mental Health Services, the NHS network supporting under 18s across four tiers of increasing specialism.
- Tier 4 covers inpatient care and is commissioned nationally, so beds are often a long way from the home of the young person
- NHS England reported that around one in five children and young people had a probable mental disorder in 2023, up from roughly one in nine in 2017
- The Darzi investigation found over 345,000 referrals for children and young people waiting more than a year for first contact
- Distance plus acuity makes Tier 4 admissions and discharges among the longest journeys in mental health transport
- Secure 24 crews are trained quarterly in de-escalation, safeguarding and Mental Health Act awareness
Most families meet CAMHS at the worst point of a long wait. By the time a young person is being admitted to an inpatient unit, they have often been through a GP appointment, a school referral, months on a waiting list, and at least one crisis. The admission itself is rarely the beginning of the story.
Our crews meet young people at the end of that sequence, in the hour when they are leaving home for a unit that may be two hundred miles away. We provide that specialist mental health transport for NHS trusts and ICBs across the UK. What follows sets out how the service is structured, what the tiers mean in practice, and why that final journey deserves more planning than it usually gets.
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What Is CAMHS?
CAMHS stands for Child and Adolescent Mental Health Services. It is the NHS network that assesses and treats mental health difficulties in people under 18, extending to 25 in some areas. NHS England increasingly uses the term CYPMHS, meaning Children and Young People Mental Health Services, because it better describes provision that now reaches into the twenties.
The service is not a single building or team. It ranges from a school counsellor through to a locked adolescent unit, and the route a young person takes through it depends on how acute their presentation is and what is available locally. Referrals arrive from GPs, schools, social services, A&E and crisis teams, and in some areas families can refer directly.
Demand has risen faster than capacity for most of the last decade. NHS England reported that around one in five children and young people had a probable mental disorder in 2023, compared with roughly one in nine in 2017. That is a change in the size of the population needing help, not a change in how it is counted.
What Are the 4 Tiers of CAMHS?
The four-tier model organises services by how specialist they are. Many areas have now adopted the THRIVE framework, which groups young people by what they need rather than by tier, but the tier language remains in everyday use across referrals, commissioning and clinical conversation.
Tier 1: universal services
Support delivered by professionals who are not mental health specialists. GPs, health visitors, school nurses and teaching staff. Most young people never move past this tier, and that is the intended outcome.
Tier 2: targeted support
Individual specialists working with young people whose difficulties need more than universal support. Primary mental health workers, counsellors, and educational psychologists.
Tier 3: specialist community teams
A multidisciplinary outpatient team, usually psychiatrists, psychologists, mental health nurses and therapists working together on more severe or complex presentations. This is what most people picture when they hear the word CAMHS.
Tier 4: highly specialist inpatient care
Inpatient units, secure adolescent units, eating disorder units and psychiatric intensive care for under 18s. Tier 4 is commissioned nationally rather than by local ICBs, which has one consequence that shapes everything about the journey: the bed is wherever the bed is.
Why Tier 4 changes the transport question
National commissioning means national distances
A young person from Kent may be admitted to a unit in Yorkshire because that is where the appropriate bed exists. The clinical decision is sound. The practical consequence is a five or six hour journey, taken by a frightened adolescent, away from everyone they know. That journey is a clinical event in its own right and needs to be planned as one.
When Should a Child Be Referred to CAMHS?
A referral becomes appropriate when the mental health of a young person is interfering with ordinary daily functioning and the difficulty has outlasted what you would expect as a reaction to a life event. Bereavement, parental separation and exam stress all produce distress that resolves. Persistent change that does not resolve is the signal.
- Sustained withdrawal from friends, family or activities they previously enjoyed
- Significant and persistent changes to eating or sleeping patterns
- A marked drop in school attendance or attainment without an obvious cause
- Self-harm, or talking about self-harm
- Expressing thoughts of suicide, or hopelessness about the future
The last two warrant an urgent referral rather than a routine one, routed through the local crisis team or A&E rather than a standard GP referral letter. Where there is immediate danger to life, that is a 999 call.
Waiting times after referral are where the system is under most visible strain. The Darzi independent investigation of the NHS in England reported over 345,000 referrals for children and young people waiting more than a year for a first contact with mental health services. Urgent referrals move quickly. Routine ones are where a year disappears.
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Why CAMHS Journeys Need Specialist Transport
A CAMHS transfer differs from an adult transfer in ways that change how the journey has to be crewed and planned. The patient is a child. The journey is usually longer, because the bed is nationally commissioned. A parent or carer is often present and distressed themselves. Safeguarding obligations run alongside the clinical ones for the whole duration.
Standard patient transport services are not built for that combination. The vehicle is not designed to contain risk without restraint, and the crew have not been trained for an adolescent in acute distress. Where a generalist provider picks up this work on price, the risk is transferred to the young person and to whoever receives them at the other end.
Gender matching deserves a note of its own. For an adolescent girl being admitted to a unit hundreds of miles from home, whether there is a female technician in the vehicle is not a comfort detail. It frequently determines whether the journey happens calmly or does not happen at all.
Duration is the other factor that separates a CAMHS conveyance from an adult one. A six hour journey has to be planned as a six hour journey, which means comfort breaks, food and drink, and a realistic conversation with the receiving unit about arrival time. A young person who arrives at eleven at night, having not eaten since lunchtime, starts their admission in a worse state than they needed to. These are unglamorous operational details and they change how the first night goes.
Discharge and step-down journeys deserve the same planning, and usually get less of it. A young person moving from a Tier 4 unit back towards home is often in a better place clinically, but the transition itself carries risk, and the journey is frequently treated as a routine booking because the acute phase has passed. We plan those the same way, with the same risk profile and the same crew standards.
How Secure 24 Approaches CAMHS Transfers
Every CAMHS booking goes through our control room, which builds the risk profile from the information the referring team supplies: presentation, history, known triggers, medication, previous conveyance experiences, whether police involvement is anticipated, whether a familiar adult will travel. The crew read that profile before they set off, so nobody arrives at a family home cold.
The vehicle is one of our purpose-designed secure ambulances. The safe space is powder coated in an off-white finish so the environment reads as clinical rather than custodial. Observation panels are Perspex, so the young person can see out and speak to the crew for the whole journey rather than travelling in isolation. On a five hour transfer, that difference compounds.
Our technicians are trained quarterly as a minimum through a four-level progressive framework, covering verbal de-escalation, dynamic risk assessment, safeguarding and restraint reduction. Physical intervention is taught as the last available option. You can read more about how that training is structured.
Where a young person is detained under the Mental Health Act, we work alongside AMHPs and, where relevant, police, on Section 135 and 136 conveyance. Where a unit needs additional observation cover rather than a journey, our ward assist and bed watch teams provide it. We work with NHS trusts and ICBs across both.
The staff members clearly receive excellent training and are always empathic and organised. They always listen carefully to the advice and guidance of the professionals involved in the Mental Health Act assessments they have participated in.
Stuart Burt
Approved Mental Health Professional, East Surrey AMHP Team
There is a version of this work that treats a CAMHS transfer as a booking to be filled. We have seen what that produces, and the cost lands on a fourteen year old who will remember the journey for a long time. Our position on that, and the investments behind it, is set out on why trusts choose Secure 24.
Want to speak to a trust already using Secure 24?
We will arrange a peer reference call with a Patient Safety lead or AMHP who commissions us for CAMHS work, so you can ask the operational questions directly.
Related reading
- Section 135 and 136 conveyance: Supporting AMHPs and police from detention through to a place of safety.
- Ward assist and bed watch: Additional observation cover in acute and secure settings, including adolescent units.
- Our four-level training framework: Quarterly de-escalation, safeguarding and Mental Health Act training through RISKA.
- Inside our secure ambulances: How the safe space is specified, and why it replaces prolonged restraint.
Frequently Asked Questions
What Is CAMHS?
CAMHS stands for Child and Adolescent Mental Health Services. It is the NHS network of services that assesses and treats mental health difficulties in people under 18, and in some areas up to 25. CAMHS covers everything from a school-based counsellor to a specialist inpatient unit, organised across four tiers of increasing specialism. Referrals usually come through a GP, a school, social services or a hospital team.
What Does CAMHS Stand For?
CAMHS stands for Child and Adolescent Mental Health Services. You may also see CYPMHS, meaning Children and Young People Mental Health Services, which is the term NHS England increasingly uses because it better reflects services that support young people into their twenties.
What Are The 4 Tiers Of CAMHS?
Tier 1 is universal support delivered by professionals who are not mental health specialists, such as GPs, health visitors and school staff. Tier 2 is targeted support from individual specialists, including primary mental health workers and counsellors. Tier 3 is a specialist multidisciplinary outpatient team, typically psychiatrists, psychologists, nurses and therapists working together. Tier 4 is highly specialist inpatient and day-patient care for the most acute presentations. Many areas have now moved to the THRIVE framework, which groups children by need rather than tier, but the four-tier language remains in common use.
What Is Tier 4 CAMHS?
Tier 4 CAMHS is the most specialist level of care, covering inpatient units, secure adolescent units, eating disorder units and psychiatric intensive care for under 18s. Tier 4 beds are relatively few and are commissioned nationally rather than locally, which means a young person often has to be admitted some distance from home. That distance is what makes Tier 4 admissions and discharges some of the longest journeys in mental health transport.
When Should A Child Be Referred To CAMHS?
A referral is generally appropriate when the mental health of a child is affecting daily functioning, at school, at home or socially, and the difficulty has persisted beyond what would be expected as a response to a life event. Warning signs include sustained withdrawal, significant changes in eating or sleeping, self-harm, and thoughts of suicide. Self-harm or suicidal thoughts warrant an urgent referral rather than a routine one. A GP, school SENCO or social worker can make the referral, and in some areas families can self-refer.
How Long Does A CAMHS Referral Take?
Waiting times vary widely between areas and between routine and urgent referrals. Urgent and crisis referrals are seen quickly, often within hours through a crisis team. Routine referrals are where the delay sits. The Darzi independent investigation of the NHS in England reported over 345,000 referrals for children and young people waiting more than a year for a first contact with mental health services. Your local CAMHS service or ICB will publish current local waiting times.
Why Do Young People Need Specialist Transport Rather Than Standard Patient Transport?
A young person being admitted to a Tier 4 unit is often frightened, often far from home, and frequently making the journey away from their family for the first time. Standard patient transport is not crewed or equipped for that. Specialist transport provides a crew trained in de-escalation and safeguarding, a vehicle designed to contain risk without restraint, and a journey planned against a risk profile built before the crew departs.
Can A Parent Or Carer Travel With The Young Person?
Wherever the clinical team supports it and the risk assessment allows, yes. A familiar adult in the vehicle is frequently the single most effective de-escalation tool available on a CAMHS journey. The decision sits with the referring clinical team, and we plan seating and crew accordingly once it is confirmed at the point of booking.
