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This page compares five private adult ADHD assessments, including The Wellness, where a consultant psychiatrist assesses you for £1,250 by video or £1,500 in person on Harley Street, and the written report follows within 5 working days.
Updated 23 October 2026
A private adult ADHD assessment costs from £795 to £1,550 at the providers on this page, and the difference is mostly who assesses you, how long it takes and whether you can be seen in person. We read each price on the provider's own website on 23 October 2026.
| Provider | Assessment | Published price | What the price includes | Where |
|---|---|---|---|---|
| The Wellness | Adult ADHD assessment with a consultant psychiatrist, by video or in person | £1,250 by video, £1,500 in person, ADHD and autism together £2,850 in person | 90 minutes with a consultant psychiatrist, and a written report within 5 working days. Most people are seen within the week, with titration and shared care letters after diagnosis. | By video, or in person on Harley Street |
| ADHD 360 | Essential or Comprehensive assessment | £795 or £1,550 | A video assessment with a specialist ADHD clinician. Essential is assessed within 3 weeks and Comprehensive seen within 7 days. | By video |
| Priory | Adult ADHD assessment, after a screening assessment | about £1,030, plus about £50 for the screening | A consultant psychiatrist with expertise in ADHD, online or in person at a Priory location. Priory says the diagnosis and report follow within 4 to 6 weeks. | Online, or at Priory sites |
| Psychiatry UK | Adult ADHD assessment, private | £950 | A one hour online assessment with a consultant psychiatrist, with a follow up at no charge if one is needed to complete the assessment. | Online |
| Clinical Partners | Private adult ADHD assessment | £895 | Questionnaires for you and someone who knows you, and a diagnostic interview with an experienced clinician, with a personalised written report. | In person or online |
We read each provider’s prices on its own website on 23 October 2026. The links to every page we read are at the end of this page.
A consultant psychiatrist spends 90 minutes with you, by video for £1,250 or in person on Harley Street for £1,500, and most people are seen within the week. The written report follows within 5 working days and is written so your GP can share care. If you are diagnosed, the same team handles titration, with the heart rate and blood pressure checks NICE asks for, and the shared care letter.
At The Wellness every ADHD assessment is carried out by a consultant psychiatrist, over 90 minutes, with a written report.
NICE says a diagnosis of ADHD should only be made by a specialist psychiatrist, paediatrician or other appropriately qualified healthcare professional with training and expertise in diagnosing ADHD, after a full clinical and psychosocial assessment. NICE guideline NG87, Attention deficit hyperactivity disorder, diagnosis and management, recommendation 1.3.1
NICE also says a diagnosis should not be made on rating scales or observation alone, which is why the assessment includes a full developmental and psychiatric history. NICE guideline NG87, Attention deficit hyperactivity disorder, diagnosis and management, recommendation 1.3.1

Message us with what you have noticed, and a clinician will tell you whether an ADHD assessment is the right next step. Messages are usually answered within minutes.
Ask a clinicianCheck who assesses you, because NICE says a specialist psychiatrist or another appropriately qualified clinician should make the diagnosis.
Ask what happens after. Titration and follow ups are usually charged separately, at every provider on this page.
Count the wait as part of the price. A lower fee with a longer wait may suit you, or it may not.
NICE says a diagnosis needs symptoms that meet the DSM or ICD criteria and cause at least moderate impairment in two or more settings, such as work, home and relationships. NICE guideline NG87, Attention deficit hyperactivity disorder, diagnosis and management, 2018, updated 2019
An international consensus of ADHD researchers set out 208 evidence based conclusions, including that ADHD persists into adulthood for many people. Faraone and colleagues, The World Federation of ADHD International Consensus Statement, 208 evidence-based conclusions about the disorder, Neuroscience and Biobehavioral Reviews, 2021
At the five providers on this page a private adult ADHD assessment costs from £795 at ADHD 360 to £1,550 for its Comprehensive assessment. Clinical Partners charges £895, Psychiatry UK £950 and Priory about £1,030 after a screening. At The Wellness it is £1,250 by video and £1,500 in person. We read each price on the provider's own website on 23 October 2026.
NICE says the diagnosis should be made by a specialist psychiatrist or another appropriately qualified healthcare professional with training and expertise in ADHD. Priory, Psychiatry UK and The Wellness use a consultant psychiatrist.
At The Wellness most people are seen within the week and the report follows within 5 working days. ADHD 360 sees Comprehensive patients within 7 days, and Priory gives the diagnosis and report within 4 to 6 weeks.
Yes. At The Wellness the in person assessment is on Harley Street for £1,500. Priory and Clinical Partners also offer in person appointments.
Written and reviewed by the clinical team at The Wellness. Last reviewed Medically reviewed by Dr Sofian Youssef, GMC 7713973

A consultant psychiatrist for 90 minutes, £1,250 by video, with the report within 5 working days.
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