ADHD Waiting Times in the UK in 2026: What's Actually Happening

If you've been trying to get an ADHD assessment in 2026, or fighting to get one for your child, the frustration you're feeling is completely justified.

The system is, by the government's own admission, not working well. That phrase appears almost word for word in an independent review commissioned by the UK government and published in March 2026.

So here is what the data actually says, where it comes from, and what you can do about it right now. Every figure in this post is sourced directly from official government publications. Links to every source are at the bottom.

The clearest single data point comes from NHS England's own service monitoring data, cited in the Independent Review into Mental Health Conditions, ADHD and Autism published 31 March 2026.

Children and young people waiting for an ADHD assessment in NHS mental health services rose from around 21,000 in April 2019 to around 270,000 in December 2025.

That is more than twelve times as many children waiting in six years.

It is not just children. A House of Commons Library briefing updated 10 June 2026 confirmed that 61.6% of adults on the ADHD waiting list had been waiting over a year. For children the figure was 65.8%.

Nearly two thirds of everyone on the NHS ADHD waiting list has already been waiting more than twelve months. And most of them are nowhere near the front.

Honest answer: it depends on where you live.

There is no single national figure because waits vary by region, NHS trust, age group and service area. What the data does make clear is that a wait of one to three years for an initial assessment is realistic in most parts of England. Some areas are significantly worse.

Reports from early 2026 suggest patients in parts of London, Kent and Sussex are being told initial adult assessments may not happen for five years or more, though a single confirmed national figure does not exist.

There is also no national waiting time target for ADHD assessments. So there is no formal mechanism to push the queue along if your wait runs long.

For NHS Right to Choose, the alternative pathway covered below, major providers are also reporting waits of nine months or more due to demand vastly outstripping capacity.

The Independent Review addresses this carefully. The answer is not a simple one.

The underlying prevalence of ADHD, meaning how many people in the population actually have the condition, appears to have remained broadly stable. NICE estimates it at around 5% in children and 2 to 3% in adults.

What has increased sharply is referral activity. Far more people are seeking assessment than you would expect based on stable prevalence estimates alone.

The review points to several interacting reasons. Better recognition of previously unmet need. Changes in help-seeking behaviour. The role of social media in raising awareness. And the reality that diagnosis is often the gateway to support in education and employment.

One figure stands out. Among young adult women aged 20 to 24, ADHD diagnoses ran 158.6% higher than expected levels in the two years following the start of the pandemic.

That is not evidence that more women suddenly developed ADHD. It is evidence that a generation of women who had ADHD all along finally started being recognised.

The Independent Review published in March 2026 is examining the causes of rising demand and pressures on services. Its interim report sets out findings but does not yet offer conclusions or recommendations. Those will follow in the final report, for which no publication date has been confirmed.

What the review does say clearly is this: "The current system is not working well. The aim of the Review is to support recommendations that lead to a fairer and more effective system of treatment and support for people with ADHD."

NHS England has committed to moving ADHD management information to official statistics standards in 2026/27. Until then, the national picture remains patchy, which is part of why regional variation in waiting times is so hard to pin down precisely.

While the government reviews and the NHS catches up, here is what you can do right now.