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If you are considering an online ADHD assessment, it helps to know exactly what to expect. A good remote assessment is not a quick quiz; it is a structured clinical process carried out by a qualified clinician. This step-by-step guide walks you through what happens before, during and after an online ADHD assessment, whether it is valid, and how to prepare.
Is an online ADHD assessment valid?
Yes, when it is delivered properly. A well-run online assessment uses secure video, structured history-taking and validated questionnaires, and follows the same recognised diagnostic standards used in face-to-face appointments. UK guidance, NICE guideline NG87, focuses on the quality and thoroughness of the assessment rather than the room it takes place in. The added benefits of an online assessment are convenience, no travel, and access to specialists wherever you live in the UK.
Before your appointment
Once you book, you will usually be asked to complete screening questionnaires and provide background information. Adults may be asked about childhood and school, work history, mental and physical health, sleep, and family history. It can help to gather old school reports or ask a family member what they remember, because ADHD is a developmental condition and childhood history matters. For a child assessment, parent or guardian input is essential, and information from school can be very useful.
During your appointment
The appointment is a secure video consultation with a clinician. They will ask detailed questions about inattention, hyperactivity, impulsivity, emotional regulation and how these affect your daily life. They will explore whether symptoms have been present since childhood, whether they show up in more than one setting, and whether anything else might better explain them, such as anxiety, depression or sleep problems. This careful, whole-picture approach is what separates a real assessment from a simple questionnaire.
After your assessment
You should receive a clear outcome and next steps. With us, you get your written report and diagnosis the next day after your assessment. If ADHD is diagnosed, the report explains the basis for the diagnosis and sets out recommendations, which may include practical strategies, therapy or coaching, and a discussion of medication where appropriate. If medication is suitable, it involves a separate titration process under medical supervision, and medication is paid for separately at the pharmacy. If ADHD is not diagnosed, a good report still helps by explaining what else might be going on.
Do you need a GP referral?
No. With a private assessment you can self-refer and book directly online, with no GP letter required. This is one of the reasons private assessment is often so much faster than the NHS route. If you want to compare, see our guide to private versus NHS ADHD assessment.
How to prepare
- Find a quiet, private space with a stable internet connection.
- Write down real examples of how symptoms affect your work, study and home life.
- Gather any childhood information, such as school reports or family recollections.
- Note any other health conditions, medications, and previous mental health support.
Frequently asked questions
How long does the assessment take?
The appointment itself is typically a structured session of up to a couple of hours, depending on your history, with questionnaires completed beforehand.
How quickly do I get my report?
With us, your written report and diagnosis are provided the next day after your assessment.
Who carries out the assessment?
Your assessment is carried out by GMC-registered doctors, following NICE clinical standards. You can read more on our FAQs page.
Ready to begin? Book your online adult ADHD assessment from £189, with GMC-registered doctors, a next-day written report, and no GP referral required.
This guide is for general information only and is not a substitute for individual medical advice. It reflects recognised guidance including NICE guideline NG87. If you are concerned about ADHD, speak to a qualified clinician. Last updated 2026.