NHS ADHD crisis forces patients in Leeds and UK to wait ten years as Sort Health launches new assessment service in Bradford

Across the UK, adult ADHD services are under extraordinary pressure, and the numbers tell a stark story.

In cities like Leeds, the NHS waiting list for assessment has climbed to around 4,500 people, with no new referrals being accepted at all.

For those already on the list, the estimated wait can stretch up to a decade.

It’s not an isolated case. Many NHS trusts across the country have quietly paused or closed ADHD referrals entirely, overwhelmed by demand that has grown far faster than service capacity.

That gap has now opened the door to a wave of new providers—some private, some public-interest driven—trying to respond to a system that many patients feel has effectively stopped functioning in real time.

Why ADHD Demand Has Exploded in Adults

Part of the pressure comes from a long-overdue shift in awareness.

ADHD in adults is now far more widely recognised than it was even a decade ago, especially among women and people who were missed in childhood.

Clinicians also acknowledge that underdiagnosis has been widespread for years.

Many adults are only now connecting lifelong struggles—focus, organisation, emotional regulation—to something that was never identified earlier.

The result is a backlog that keeps growing faster than it can be cleared.

And as referrals rise, NHS services are struggling to expand fast enough to match demand.

The Private Sector Rushes In, But Not Without Problems

With NHS waiting times stretching into years, private ADHD assessments have become the fallback option for many.

But this rapid expansion has not been smooth.

Patients often report high fees, inconsistent assessment quality, and a sense that the process can feel rushed or transactional.

Some campaigners have also raised concerns about uneven clinical standards across providers.

For many people, the situation feels like a double burden—waiting endlessly in the public system, then paying significant amounts to access faster care elsewhere.

A New Approach Launches in West Yorkshire

Into this crowded and controversial space steps a new not-for-profit service called Sort Health, based in Bradford.

The organisation is positioning itself as an alternative to both overstretched NHS services and commercial private clinics.

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Clients can choose between online ADHD assessments or face-to-face consultations with clinicians in Bradford, aiming to make access more flexible for people across the UK.

The idea, according to its founders, is simple: reduce barriers without turning assessment into a profit-driven product.

Built on a Not-for-Profit Model

Sort Health is part of Bevan Community Benefit Society, a structure that ensures any financial surplus is reinvested into community health projects rather than distributed to shareholders.

That includes work supporting vulnerable groups such as homeless people and asylum seekers across West Yorkshire.

According to its leadership, the goal is to respond to a system gap without repeating what they see as the excesses of commercial providers.

As one director, Mathew Sidebottom, has put it, the organisation exists because demand has outpaced NHS capacity—but it should still operate with public benefit in mind rather than private gain.

Clinicians with NHS Experience Leading Assessments

The service is delivered by experienced healthcare professionals, including practitioners who have previously carried out ADHD assessments within the NHS.

Assessments are conducted both in-person and online, reflecting the growing shift in healthcare delivery toward hybrid models.

This approach is meant to improve accessibility, particularly for adults who may struggle with travel, work commitments, or long-distance referrals.

Beyond Diagnosis: Support After the Appointment

One of the most common criticisms of private ADHD services is that patients receive a diagnosis and little follow-up support.

Sort Health is trying to address this by including care navigation as part of the process.

That means patients are guided from initial enquiry through assessment and into post-diagnosis support, including help with paperwork and ongoing questions.

For some, the outcome of an assessment is not just about treatment—it can also provide clarity, even if ADHD is ruled out.

Either way, the organisation argues that the experience should not end with a single report.

Impact and Consequences

The emergence of services like Sort Health highlights a growing split in UK healthcare: a long-wait public system alongside a fast-growing alternative assessment market.

For patients, this creates more options—but also more inequality depending on ability to pay or access regional services.

For the NHS, it increases pressure to expand capacity or redesign adult ADHD pathways entirely, especially as demand continues to rise.

At the same time, not-for-profit models could influence future service design by showing that private-sector speed and public-sector values are not mutually exclusive.

What’s Next?

The immediate future will likely see continued growth in ADHD referrals, particularly among adults who were previously undiagnosed.

Health services may respond with expanded digital assessments, new clinical training pathways, or increased outsourcing agreements with external providers.

Organisations like Sort Health may also expand if demand remains high, especially if NHS waiting lists continue to grow rather than shrink.

Long-term, the bigger question is whether ADHD care will be redesigned as a standalone adult service pathway—or remain embedded in already overstretched general mental health systems.

Summary

ADHD assessment services in the UK are under severe strain, with some NHS waiting lists stretching up to ten years.

In response, new models like Sort Health are emerging to provide faster, more structured access to diagnosis and support.

While private providers have filled part of the gap, concerns about cost and consistency remain.

Not-for-profit initiatives are now attempting to bridge the space between overwhelmed public services and commercial alternatives.

Bulleted Takeaways

• NHS ADHD waiting lists in some areas, including Leeds, reach around 4,500 people with waits up to 10 years
• Many NHS regions have paused or closed adult ADHD referrals due to demand
• ADHD diagnosis in adults has risen sharply due to increased awareness and recognition of missed cases
• Private ADHD services have expanded rapidly but face criticism over cost and consistency
• Sort Health has launched as a not-for-profit ADHD assessment service based in Bradford
• The service offers both online and face-to-face assessments across the UK
• It operates under Bevan Community Benefit Society, reinvesting surplus into community health projects
• Assessments are carried out by clinicians with NHS experience
• The model includes post-assessment care navigation and ongoing patient support
• The situation highlights growing pressure on NHS mental health services and long-term system gaps