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Home Assessments Combined ADHD & autism assessment

Combined ADHD & autism assessment

One joined-up pathway for adults where both ADHD and autism are suspected. It combines the DIVA-5, ADI-R and ADOS-2 into a single process, with one independently reviewed, co-signed report and one feedback session.

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Adults (18+) only. We provide diagnosis only, not medication.

What's included

Everything in one fixed fee

  • Free 15-minute initial call by phone, video or WhatsApp
  • Pre-assessment questionnaires, completed online at your own pace
  • DIVA-5 diagnostic interview covering ADHD in childhood and adulthood
  • ADI-R developmental interview with someone who knew you as a child
  • ADOS-2 assessment, in person or online
  • Other validated tools where appropriate
  • Independent review of your full file by an HCPC-registered Clinical or Educational Psychologist
  • One comprehensive, co-signed written report covering both conditions
  • One feedback session to explain your results and discuss next steps

Two clinicians, not one

Your assessor carries out your screening, history and live diagnostic interview. Your independent psychologist is a fully qualified, HCPC-registered Clinical or Educational Psychologist. They review your full file, check it against diagnostic criteria and co-sign your final report.

Every diagnosis is independently verified before it reaches you. How it works

Step by step

How it works

  1. 1

    Free initial call

    15 minutes · Free

    A short phone, video or WhatsApp call to talk through what you're looking for, check the assessment is suitable and answer your questions. Nothing is booked or paid for until you decide to go ahead.

  2. 2

    Pre-assessment forms

    At your own pace

    Secure online questionnaires covering your history and current experiences. Complete them at your own pace – there's no time limit.

  3. 3

    DIVA-5 interview

    Approx. 1.5–2 hours · By video

    A structured interview covering ADHD traits in childhood and adulthood, and how they affect different areas of your life.

  4. 4

    ADI-R interview

    Approx. 2–3 hours · By video

    A structured interview with a parent or someone who knew you well in early childhood, covering your development. This happens separately from your own sessions.

  5. 5

    ADOS-2 assessment

    Approx. 1 hour · In person or online

    A structured, interactive session with your assessor – in person where possible, or online. It's conversation and activities, not a test you can pass or fail.

  6. 6

    Independent review

    Built in as standard

    An HCPC-registered Clinical or Educational Psychologist reviews your full file across both assessments against diagnostic criteria.

  7. 7

    Report & feedback

    Report + feedback session

    You receive one co-signed written report and one feedback session covering both conditions.

Before you book: the informant interview

The ADI-R part needs an interview with someone who knew you well as a young child – usually a parent – lasting around 2–3 hours. If no informant is available, please mention this on your initial call. We can discuss whether an assessment is still possible and what it would involve.

Is it right for you?

Who this assessment is for

Designed for you if…

  • You're an adult (18+) with suspected traits of both ADHD and autism
  • You'd rather go through one joined-up process than two separate assessments
  • You have someone who can complete the informant interview
  • You want a single report you can share with your GP, employer or university

It may not be the right fit if…

  • You're under 18 – we assess adults only for now
  • You only want to explore one of the two – the separate ADHD (£450) or autism (£895) assessment may suit you better
  • You're in crisis or need urgent mental health support

Not sure? That's what the free initial call is for, and there's no obligation to continue afterwards.

Why combine the two?

ADHD and autism commonly occur together, and traits of one can mask or mimic the other. In a combined assessment, the same clinicians look at both together, so you don't get two separate assessments reaching two disconnected conclusions. It also costs less than booking both separately (£1,150 rather than £1,345).

Start with a free call

Get in touch to check the assessment is right for you. There's no commitment.

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