ADHD and autism complaints triple as NHS waits stretch to years

Patients removed from medication lists without warning, delayed diagnoses affecting daily functioning, and individuals forced to pay thousands for private treatment due to NHS service failures.
People should not have to fight their way through a confusing system
The NHS ombudsman on why patients are forced to pay thousands for private care.
Mark

Why has demand for these services grown so dramatically in just five years?

Mimi

That's the question underneath everything. Awareness has increased—people now recognize ADHD and autism in themselves and their children where they might not have before. Diagnostic criteria have broadened. But the NHS didn't expand capacity to match. Referrals kept climbing while waiting lists got longer.

Mark

So people are being told to wait years for something that might transform their life?

Mimi

Yes. And while they wait, they're managing undiagnosed or untreated conditions. A child falls further behind in school. An adult can't hold down a job. The medication adjustment gets interrupted and someone loses months of stability.

Mark

The ombudsman mentions the system is "too complex." What does that actually mean on the ground?

Mimi

It means a patient doesn't know if they can choose a private provider. It means their diagnosis from one place isn't recognized by another. It means there's no clear pathway—just confusion and dead ends.

Mark

And people are paying thousands to escape this?

Mimi

They're not escaping—they're buying their way out of a system that's failed them. Rich paid £4,000 because the NHS service he was assigned to didn't exist yet. That's not a choice. That's desperation.

Mark

What would actually fix this?

Mimi

More capacity, yes. But also clarity—clear rights, consistent standards, services that talk to each other. Right now you can have a diagnosis that's valid in one place and invalid in another. That shouldn't be possible.

  • Over 562,000 people are caught in NHS referral queues for autism and ADHD care, with six in ten adults and children waiting more than a year to be seen.
  • Complaints to the NHS ombudsman have tripled in five years, exposing a pattern of patients dropped from waiting lists without warning, denied their legal right to choose providers, and forced to repeat assessments already completed privately.
  • The financial toll is personal and stark — one man paid nearly £4,000 out of pocket after his local health authority refused to refer him to an available private provider, insisting he wait for an NHS service that hadn't yet opened.
  • The ombudsman has named the root causes: a commissioning structure too fragmented to function, staff who misrepresent patients' legal rights, and diagnoses from independent providers that NHS services refuse to recognise.
  • A government-commissioned independent review led by Professor Peter Fonagy is expected this summer, but even the ombudsman's office — the system's last line of redress — now carries a six-month backlog of its own.

Across England, more than half a million people wait in a system that was never built to hold them — most for over a year, many indefinitely. Complaints about NHS autism and ADHD services have tripled in five years, not because people have grown more demanding, but because the gap between human need and institutional capacity has grown too wide to ignore. The ombudsman who exists to hear these grievances now has a six-month backlog of her own, a quiet symbol of how thoroughly the scaffolding of accountability has been strained by the weight of a crisis long in the making.

The waiting room has become a kind of purgatory. More than half a million people across England are queued for autism or ADHD assessment and treatment, and most of them will wait longer than a year. Complaints about these services have tripled in five years — from 410 cases in 2021-22 to 1,257 in 2025-26 — and behind each number is a person navigating a system that was not built to receive them.

One man, Rich, 48, asked his local health authority to refer him to a private ADHD provider. They refused, directing him instead to a local NHS service that had not yet opened. After five months of delay, he paid nearly £4,000 for the care he needed. His story is not unusual. The ombudsman's office reviewed 3,000 complaints and found the same failures repeating: patients removed from medication waiting lists without explanation after years of waiting, assessments conducted in under an hour despite national guidance recommending more, and diagnoses from private providers refused recognition by NHS services — forcing people to begin again from scratch.

Parliamentary and health service ombudsman Paula Sussex described the system as too complex and too inconsistent, leaving patients falling through gaps that should not exist. Among the most troubling findings was widespread confusion — and in some cases active misrepresentation — around patients' legal right to choose their care provider. Many NHS staff either did not know this right existed or told patients it did not apply to them.

The human cost is not abstract. Those who can afford private care pay thousands out of desperation. Those who cannot wait, their conditions unmanaged, their daily lives quietly diminished. The government commissioned an independent review last December, led by clinical psychologist Professor Peter Fonagy, with findings expected this summer. But the ombudsman's office — the body designed to catch these failures — now has a six-month backlog of its own. Whether the Fonagy review produces genuine structural change, or simply another layer of diagnosis without remedy, remains the question on which half a million people are waiting.

The waiting room has become a kind of purgatory. Across England, more than half a million people are stuck in the queue for autism and ADHD assessment or treatment—and most of them will wait more than a year to be seen. The complaints about these services have tripled in five years, climbing from 410 in 2021-22 to 1,257 in 2025-26, according to figures released by the NHS ombudsman. Behind those numbers are people like Rich, a 48-year-old who asked his local health authority to refer him to a private provider for ADHD care. They refused, insisting instead that he use a local NHS service that hadn't even opened yet. Five months of delay followed. Eventually, he paid nearly £4,000 out of pocket for the treatment he needed.

The scale of the problem is staggering. Open referrals across the country have reached roughly 562,000. More than 60 percent of both adults and children waiting for assessment face delays stretching beyond twelve months. Prescribing data shows the demand has been climbing for years. Yet the system is not equipped to handle it. Paula Sussex, the parliamentary and health service ombudsman, described the situation plainly: demand is outstripping capacity, and the way services are designed and commissioned is making things worse, not better. "Right now, the system is too complex and inconsistent," she said, "leaving too many patients falling through the gaps."

The ombudsman's office investigated 3,000 complaints and found patterns of failure repeating across the country. One woman was dropped from an ADHD medication adjustment waiting list without warning or explanation after spending nearly four years on it. She lost specialist support for about six months—time during which her symptoms may have worsened and her ability to manage daily life deteriorated. Another patient received an autism assessment that lasted fifty minutes, a duration that fell short of guidance from the National Institute for Health and Care Excellence. These are not isolated incidents. The investigation uncovered systemic confusion about patients' right to choose their provider, a legal entitlement that many NHS staff either didn't understand or actively misrepresented to patients. Diagnoses made by independent providers were sometimes not recognized by NHS services, forcing people to repeat assessments or start treatment from scratch.

The human cost accumulates quietly. People are forced to choose between waiting indefinitely or paying thousands they often cannot afford. Those who can afford private care do so out of desperation, not preference. Those who cannot simply wait, their conditions unmanaged, their daily functioning compromised. Sussex was direct about what this means: "People should not have to fight their way through a confusing system to get ADHD and autism care." Yet that is exactly what is happening across the country, in every region, every week.

The government has acknowledged the crisis. Last December, it commissioned an independent review led by clinical psychologist Professor Peter Fonagy to examine the prevalence of ADHD, autism, and mental health conditions and the support available for them. That report is expected to arrive later this summer and will supposedly inform a new national approach. But even the ombudsman's office itself is now overwhelmed—it has a six-month waiting time to investigate complaints about these very services. The system meant to catch failures in the system has itself become part of the problem. What comes next depends on whether the Fonagy review produces not just diagnosis but genuine change in how these services are funded, staffed, and delivered.

The system is too complex and inconsistent, leaving too many patients falling through the gaps.
— Paula Sussex, parliamentary and health service ombudsman
ADHD and autism services are under significant pressure, with demand outstripping capacity.
— Paula Sussex, parliamentary and health service ombudsman
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