How to Get an Adult ADHD Diagnosis UK (NHS vs Private) — 2025 Guide
Struggling to understand how adult ADHD diagnosis works in the UK? This complete guide will help you navigate NHS and private pathways, explain what to expect, and help you make an informed choice.
Why Adult ADHD Diagnosis Matters
Undiagnosed ADHD can impact work, relationships, self-esteem, and mental health. An accurate diagnosis is the foundation for treatment, workplace adjustments, and coping strategies.
ADHD Diagnosis Through the NHS
Process:
1️⃣ GP referral to local NHS mental health or neurodevelopmental service
2️⃣ Waiting list (12–24+ months is typical)
3️⃣ Initial screening questionnaires
4️⃣ Diagnostic interview with psychiatrist or specialist nurse
5️⃣ Report and treatment plan (if ADHD confirmed)
Pros:
Free
Accepted automatically by NHS systems
Cons:
Long waits
Limited flexibility
Variable follow-up capacity
Private ADHD Diagnosis in the UK
Process:
1️⃣ Self-referral (no GP required)
2️⃣ Waitlist typically 2–4 weeks
3️⃣ Structured clinical interview with ADHD nurse prescriber or psychiatrist
4️⃣ Diagnostic report, suitable for GPs, employers, universities
5️⃣ Treatment plan and medication discussion
Pros:
Fast appointments
More flexible scheduling (evenings, remote)
Choice of clinician
Longer, more personalised consultations
Cons:
Costs involved (£700–£1,200 typical)
Shared care not guaranteed by NHS GPs
What Happens in a Private ADHD Assessment?
✅ 90–120 minute structured interview
✅ ADHD diagnostic tools and symptom scoring
✅ Review of developmental and educational history
✅ Screening for anxiety, depression, or other conditions
✅ Full written diagnostic report
Private ADHD Diagnosis Costs UK
Assessment: £700–£1,200
Follow-up: from £125
Private prescriptions: ~£30 per item
Medication: typically £40–£80 per month at pharmacy
Which Route Is Right for You?
If you cannot wait 1–2 years and need workplace or study accommodations sooner, private assessment offers a legitimate, safe, and faster path. If you are comfortable waiting and cost is a barrier, NHS may be suitable.
Our nurse-led clinic follows NICE guidelines, providing reports accepted by most NHS GPs.
FAQs
Will my GP accept a private ADHD diagnosis?
In most cases, yes, if the provider is NICE-compliant and uses recognised diagnostic tools.
Is a GP referral needed for private assessment?
No. You can self-refer.
Can I switch to NHS care after private diagnosis?
Possibly — depends on GP and ICB policy. Shared care requests can be supported.
Ready to take the next step?
Join our early-access waitlist today to be first in line for fast, nurse-led adult ADHD diagnosis appointments.
