A person with autism viewed from behind standing on an urban street with their back to us.

Private Autism Assessments - Adults & Children

Psychiatrist-led. Step-by-step. Clear and calm support.

> Getting an autism diagnosis can feel uncertain.

> We make it clear what happens at every stage.

At Diverse Diagnostics, your assessment is led by a psychiatrist or clinician who specialises in autism. We use structured, evidence-based tools and take time to understand you as an individual. Our process is calm, predictable, and transparent  so you always know what to expect.

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Not Sure If You Have Autism?

You can start with our short online screening. It takes about five minutes and helps you understand whether autism traits might apply to you.

 

What to Expect:

  • Clear, straightforward questions about everyday situations.
  • Instant summary of your results.
  • No sign-up, no obligation.

Why Choose Diverse Diagnostics for Your ASD Assessment?

Clear information – You’ll always know what to expect and why.

Experienced clinicians – All assessments are psychiatrist-led and follow NICE guidelines.

Respectful communication – We listen, explain clearly, and avoid clinical jargon.

Family-friendly process – For children, parents are included at every stage.

Accessible options – We can adjust communication methods or pacing if needed.

Post-assessment support – We explain next steps and connect you to relevant resources.

You deserve clear answers
— at your own pace.

Book a free, 15-minute call with one of our clinicians. We’ll listen, explain your options, and help you decide what’s right for you.

On The Call
On your call, we will:
  • Listen to your main concerns
  • Explain how assessments work
  • Talk through costs and waiting times
  • Answer any questions you have
  • Agree next steps if you’d like to continue
No pressure. No commitment. Just a calm space to talk.

Prefer email instead?

If phone calls feel stressful, you can have your consultation by email. Just let us know when booking, and we’ll guide you through it step by step.

>Contact us to arrange your email consultation

15 minute phone consultation

“Had a great experience with diverse diagnostics. The consultant was absolutely lovely, she made the process much less daunting. The admin team are great too- super quick to respond to any questions & very helpful too. The final diagnostic report is very thorough and easy to understand. Definitely recommend - thank you!! :)”

Child Autism Assessments

Does your child find social interaction, communication, or change difficult?

It’s estimated that one in 100 children in the UK are autistic. Getting a clear understanding early helps teachers and families provide the right support.

Our child assessments are led by experienced psychiatrists and include:

  • Developmental history discussion with parents

  • Direct observation and structured play tasks

  • Feedback session and written report with recommendations

 

Adult Autism Assessments

Many adults reach adulthood without a diagnosis, often after years of feeling misunderstood or exhausted by social demands.

We offer online adult assessments that fit around work and daily life, providing clarity and recognition.

Includes:

  • Pre-assessment questionnaires

  • Online interview with a psychiatrist

  • Written report and explanation of results

  • Optional post-diagnosis follow-up

 

FAQs

At Diverse Diagnostics, our assessments are structured in alignment with NHS guidelines, ensuring a comprehensive and evidence-based approach. Our commitment to following NICE/National guidance ensures that you receive assessments of the highest quality and credibility. What sets us apart is that all our assessments are led by Consultant Psychiatrists with extensive experience, providing you with expert insights and personalised care.

At Diverse Diagnostics, only our team of experienced psychiatrists with specialised expertise in child ASD lead the assessments but each ASD assessment does involve Clinical Nurse Therapists, Psychologists and Neurodevelopmental Therapists.

Our assessment includes a comprehensive review of the individual’s medical history, behaviour, communication skills, and cognitive functioning to ensure an accurate diagnosis.

The whole process is split over 4 appointments and can take a few hours to complete.

Our assessment focuses on diagnosis and intervention strategies. If medication is recommended, it will be discussed as part of a comprehensive treatment plan.

Yes, our assessment can provide insights into how ASD may impact academic performance and offer strategies to address these challenges.

What a formal autism diagnosis can help with (UK)

  • School & exams: Evidence for SEN support, reasonable adjustments, and (where appropriate) EHCP applications.
  • University: Eligibility for Disabled Students’ Allowance (DSA) with appropriate evidence.

  • Workplace: Stronger basis for reasonable adjustments under the Equality Act 2010 (e.g. interview format, quiet workspace, flexible communication).

  • Access to Work: May support applications for job coaching, equipment, or travel help.

  • Healthcare: Helps your GP and other services tailor care (e.g. sensory-aware appointments, clearer communication).

  • Everyday clarity: A shared language to explain needs and preferences to family, school, or employers.

Also useful to know

  • A diagnosis doesn’t change who you are and it’s not mandatory to access compassion or support — some support is needs-based.

  • It doesn’t guarantee funding; decisions depend on individual assessments and local criteria.

  • We’ll be clear about what a diagnosis can and can’t unlock in your situation.