Autism

Understanding autism in adulthood can be a powerful step toward self-awareness, support and improved wellbeing. Explore our services and resources tailored specifically for adults.

Explore Our Autism Services and Resources

The Autism Assessment Process

Learn how our consultant-led online assessments work, from pre-assessment forms to your diagnostic appointment and final report – all designed for clarity and comfort.
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Book an Autism Assessment

If you’re ready to move forward, book a private online autism assessment with an experienced Consultant Psychiatrist – no GP referral required.
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What is Autism

Understand the fundamentals of autism: what it is, how it affects thinking and behaviour, and the diversity of experiences across the spectrum.

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Autism in Adults

Discover how autism presents in adulthood, why it’s often missed or misdiagnosed, and how traits can vary between individuals and genders.

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Our Autism Clinicians

Our Consultant Psychiatrists offering online Autism (ASD) Assessments

dr sai acuthan

Dr Sai Achuthan

Consultant Forensic and Chartered Psychologist

Katherine Goodsell

dr alex cappai consultant psychiatrist at adhd health clinic

Dr Alessandra Cappai

private adhd assessments in london

Please Note

ADHD Health Clinic is not a crisis service. If you are experiencing a medical emergency, call 999 immediately. For urgent medical help that is not life-threatening, contact NHS 111.

For non-urgent enquiries during working hours, you can reach our admin team at admin@adhdhealthclinic.co.uk.

One of Few Psychiatrists Worldwide to Publish a Major Book on Autism and ADHD

Dr Sai Achuthan – Highly Respected Author & Consultant Psychiatrist Now Taking Appointments

Dr Sai Achuthan’s new book, Unmasking Autism: The Cross-Cultural Revolution in Adult Assessment, redefines how autism is understood and diagnosed, drawing on decades of cross-continental clinical expertise.

dr sai acuthan
unmasked autism - the cross cultural revolution in adult assessment
Harnessing ADHD Symptoms from Initial Testing to Treatment