Understanding ADHD
ADHD (Attention Deficit Hyperactivity Disorder) is a neurodevelopmental difference in how the brain regulates attention, motivation and impulse control. It is not a deficit of intelligence or character, it is a different operating system, one that society's defaults rarely accommodate.
Adult ADHD is significantly under-diagnosed in the UK, particularly in women, and NHS waiting lists for assessment now stretch to 5 to 10 years in many regions. Private assessment with a GMC-registered psychiatrist or appropriately qualified clinical psychologist is, for many people, the fastest legitimate route to clarity and treatment.
Take a Seat lists only clinicians who follow NICE guidance and meet the Royal College of Psychiatrists' standards for adult ADHD assessment.
Common signs of adhd
- Lifelong difficulty starting or finishing tasks, even ones you care about
- Time blindness, chronically late, or chronically early because being late feels worse
- Hyperfocus on novel or interesting tasks, struggle to engage with routine ones
- Emotional dysregulation, feelings hit hard and fast, often disproportionate to the trigger
- Restlessness, fidgeting, or a constant internal sense of being 'driven by a motor'
- Working memory difficulties, losing keys, forgetting why you walked into a room, missing appointments
- Rejection sensitivity, disproportionate emotional reactions to perceived criticism or exclusion
Who it affects
ADHD affects an estimated 3 to 4% of UK adults. It is genetic in 70 to 80% of cases, if a parent, child or sibling has ADHD, your odds are meaningfully higher. Women, people of colour and those who present as 'inattentive' rather than hyperactive have historically been missed by both NHS and private services. Co-occurring conditions (anxiety, depression, autism, dyslexia) are the rule rather than the exception.
Evidence-informed approaches in the UK
Diagnostic assessment
A NICE-compliant ADHD assessment in the UK takes 2 to 3 hours, includes structured diagnostic interviews (DIVA-5 or CAADID), screening for co-occurring conditions, and review of childhood evidence. It must be carried out by a psychiatrist, specialist nurse or appropriately trained clinical psychologist.
Medication titration
Stimulant medication (methylphenidate, lisdexamfetamine) is NICE first-line and effective for around 70% of adults. Titration takes 6 to 12 weeks of careful dose adjustment with regular monitoring.
ADHD coaching
Practical, structured support to build systems, manage time, regulate energy and reduce shame. Coaching complements medication; it is not a replacement for clinical treatment.
CBT adapted for ADHD
Standard CBT often fails ADHDers. Specialist CBT for ADHD targets executive-function challenges, emotional regulation and the self-critical thinking patterns that decades of struggle build up.
Shared-care arrangement
After private titration, many GPs will agree to a shared-care arrangement, they continue prescribing on the NHS while your specialist provides ongoing oversight. This is not guaranteed and depends on your local ICB.
What to expect from a first consultation
A private adult ADHD assessment in the UK is a structured two-stage process. Stage one is a pre-assessment information pack and screening questionnaires (typically ASRS, DIVA-5, MEAQ). Stage two is a 2 to 3 hour clinical interview, often split across two appointments, and ideally with informant input from a parent or long-term partner. You should leave with a written diagnostic report, a clear treatment recommendation, and, if appropriate, a plan for medication titration. Be wary of any provider offering a diagnosis in under 90 minutes or without proper informant evidence.
What you can do alongside specialist care
- Externalise your brain, calendars, alarms, lists, visual reminders. If it is not written down, it does not exist
- Sleep is the lever, protect it as if your career depended on it, because it does
- Move daily; aerobic exercise has the strongest non-pharmacological evidence base for adult ADHD
- Reduce decision load, same breakfast, same uniform, same workflow, every day
- Find your people, connecting with other ADHD adults is one of the most reliable predictors of long-term wellbeing
When to seek urgent help
If ADHD symptoms are affecting your work, education, relationships or mental health, and especially if you are using alcohol, cannabis or other substances to cope, assessment is worth pursuing. If you are in mental health crisis, contact your GP, NHS 111 (option 2 for mental health) or the Samaritans on 116 123.
Frequently asked questions
How much does a private ADHD assessment cost in the UK?
Typically £900, £2,200 depending on clinician seniority and assessment depth. Most providers on Take a Seat publish their fees upfront. Beware significantly cheaper assessments, they often skip informant evidence and may not be accepted for shared-care prescribing.
Will my GP accept a private ADHD diagnosis?
GPs are required to accept diagnoses from GMC-registered psychiatrists or appropriately qualified clinicians working to NICE standards. Whether they will agree to a shared-care prescribing arrangement varies by ICB and individual GP.
How long does private ADHD assessment take?
From booking to diagnosis report: typically 2 to 6 weeks. Compare with NHS wait times of 3 to 10 years in most regions.
Can I be assessed for ADHD online?
Yes. NICE permits remote assessment by appropriately qualified clinicians, and remote assessments are equally valid when conducted to the same clinical standards as in-person.
What if I also think I might be autistic?
ADHD and autism co-occur in 30 to 80% of cases. Tell your assessor up front, many specialists on Take a Seat are dual-trained and can assess for both.
Is medication safe long-term?
ADHD medications have a strong long-term safety record when properly monitored. Annual physical health checks (blood pressure, weight, cardiovascular review) are standard.