The lead essay · 10 June 2026

The quiet NHS route to an ADHD assessment, explained without the noise

Adult assessment waits now run to years in parts of England. A patient choice rule can open a different door. Here is the calm, honest version.

By Oliver Mackman, Editor · Reviewed against NHS and NICE sources

Most people who start looking into an ADHD assessment in the UK meet the same wall: waiting lists measured in years, private quotes in the hundreds, and very little plain explanation of what lies in between. It is enough to make anyone close the tab.

There is a third path that is rarely set out clearly. Patients in England have a legal right to choose their provider for many elective referrals, and for some adults that can include an ADHD assessment, on the NHS, with a provider you help choose. It is not a loophole, and it carries no guarantee, but it is real and widely under-explained.

In this guide we set out who it applies to, the part your GP plays, and the honest limits, including the medication shortages that can follow a diagnosis. Diagnosis itself is always a matter for a qualified clinician. What we offer is the clear information to help you ask the right questions.

Continue reading: Right to Choose explained

Adult ADHD, by the numbers

3 to 4% of adults are estimated to have ADHD, the figure cited in NICE guidance.Source: NICE guideline NG87

Most adults with ADHD in the UK are thought to remain undiagnosed.Source: Royal College of Psychiatrists

Years is how long an adult assessment wait can run in some parts of England.Source: House of Commons Library

See every figure and its source

NHS, private and Right to Choose, side by side

The three routes to an adult diagnosis on cost and typical waits.

Understanding

Why ADHD in women is so often missed

The presentation that does not fit the stereotype, with cited sources.

Newly diagnosed

A calm guide to the first few weeks

What a diagnosis does and does not change, and the steps that help.

What helps

What actually helps with ADHD, day to day

An evidence-aware look at the tools, routines and supports people use.

Medication

The ADHD medication shortage, explained

Why supply has been disrupted in the UK and what your options are.

Is it ADHD?

ADHD or anxiety, or both?

How they overlap, and how clinicians tell them apart.

ADHD Helper is independent UK editorial. We explain assessment routes, compare options and gather the most-quoted figures, each linked to a named primary source. We are not a clinic, prescriber or diagnostic provider, and nothing here is medical advice or a diagnosis. Read how we are funded and about our standards.