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How Much Does a Private ADHD Assessment Cost, and What Should Be Included?

How to compare private ADHD assessment fees and understand what you are actually paying for.

Illustration for the article “How Much Does a Private ADHD Assessment Cost, and What Should Be Included?”

The cost of private ADHD assessment can vary considerably between providers. Price is important, but it should not be the only factor you consider. Understanding what is actually included can help you compare services more meaningfully.

What should a comprehensive assessment include?

A specialist ADHD assessment should usually explore current symptoms, childhood and developmental history, education, employment, relationships, functional impairment, mental health, physical health, alternative diagnoses and relevant collateral information.

It should not simply involve completing an online questionnaire and receiving a diagnosis.

Who is conducting the assessment?

It is important to understand who will assess you and their professional background.

You may wish to check professional registration, ADHD experience, psychiatric experience, whether the clinician can assess other mental health conditions, and who provides ongoing treatment.

Is a written report included?

Ask whether you will receive a formal clinical report after assessment.

A useful report should clearly explain assessment findings, diagnosis where applicable, clinical reasoning and recommendations.

What happens if ADHD is diagnosed?

Some clinics charge separately for medication appointments, titration, prescriptions, follow-up reviews, letters and shared-care documentation.

It is worth understanding these costs before beginning treatment.

The cheapest assessment is not always the cheapest pathway

A low initial assessment fee may appear attractive, but further charges can change the overall cost.

Compare the complete pathway rather than the assessment fee alone.

Clear pricing matters

Patients should be able to understand what is included before booking. At ADHD Doctors an adult ADHD assessment is £395 all in, including your signed report and an outcome letter for your GP. See our fees page for current assessment costs.

Common questions

£395 all in for an adult ADHD assessment, including the signed diagnostic report, personalised plan and outcome letter for your GP.
A structured clinical interview by a registered specialist, a written report with clinical reasoning and recommendations, and clarity about any further costs after diagnosis.

Important: this article is for general information and is not a substitute for an individual medical assessment. Symptoms such as poor concentration, forgetfulness or restlessness can have several causes.

Clinically reviewed by GMC-registered specialist doctors · Reviewed 28 September 2026
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