Private Autism Assessments for Adults

If you or a loved one is seeking clarity around symptoms of autism, Private ADHD offers affordable, fast, and fully online private autism assessments and autism diagnostic assessments. Whether you live in London or Manchester, we offer private ASD assessments for adults across the UK.

Looking for a child or teen assessment? Visit our Child Assessments Hub →

With GMC-registered psychiatrists, paediatricians, and a specialist clinical team, fully compliant with NICE guidelines and NHS protocols, and minimal waiting times, we provide expert, compassionate care from the comfort of your home.

  • Affordable Pricing: £695 including VAT
  • Fast Appointments: Initial private autism assessment UK in as little as 1–3 days
  • Quick Reports: Full diagnostic assessment report delivered in 3–5 days
  • NHS & NICE Compliant: Reports are GP-recognised
  • Doctors-led service: Our private assessments for autism are accepted by GPs and supports treatment plans

Autism Screening Questionnaire

See if you may have Autism by taking the screening test below

Autism Form
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I often notice small sounds when others do not.

Your Autism Assessment Journey

Book Your Assessment

Choose a convenient time for your online assessment. We offer fast appointments, typically within 1 to 3 days, bypassing long NHS waiting lists.

Pre-Assessment Questionnaires

Before your appointment, you will complete an in-depth online questionnaire detailing your developmental history and current experiences. You can complete this at home at your own pace.

Your Specialist Consultation

Meet securely online with a GMC-registered psychiatrist. They will conduct a structured clinical interview using validated diagnostic tools (like the ADOS assessment) to explore your traits. Family or partners are welcome to join.

Receive Your Diagnostic Report

Receive a comprehensive, NHS-recognised diagnostic report within 3 to 5 working days. This document will detail your formal diagnosis and provide a tailored profile of your unique strengths and support needs.

Multidisciplinary Care & Dual Assessments

To ensure a thorough and accurate diagnosis, our multidisciplinary team of autism specialists includes consultant psychiatrists and clinical psychologists. Because neurodevelopmental conditions frequently co-occur, we also offer comprehensive Dual ADHD & Autism Assessments for adults exploring both.

Assessments by Doctors

20+ Years Experience

100+ 5* Reviews

NICE & NHS Compliant

What is Autism Spectrum Disorder (ASD)?

Autism Spectrum Disorder (ASD) is a neurodevelopmental condition that affects how a person thinks, communicates, and interacts with others. It is referred to as a spectrum because symptoms and their severity vary widely between individuals.

Recognising the signs of autism in adulthood can be difficult without a formal evaluation, and many adults go undiagnosed for years. People undergoing a private assessment for autism may experience challenges such as:

  • Difficulty with social cues, small talk, or maintaining relationships
  • Feeling frequently overwhelmed in social interactions or group settings
  • Heightened sensory sensitivities to sound, touch, light, or textures
  • A strong preference for repetitive behaviours or strict routines
  • Difficulty adapting to change or unexpected events
  • A deep, intense focus on specific topics or hobbies
  • Masking natural behaviours or traits to “fit in” with neurotypical expectations

ASD is not a mental illness, but a different way of experiencing the world. Many autistic people have unique strengths, such as attention to detail, deep focus, or creativity in specific areas.

Autism and Asperger’s Syndrome

You may also be familiar with the term Asperger’s Syndrome. While previously considered a separate diagnosis for individuals without language delays, it now officially falls under the umbrella of Autism Spectrum Disorder. We understand that many people still identify strongly with the term Asperger’s. In our clinical settings, we focus on understanding your specific traits and individual support needs, regardless of the terminology used.

Post-Diagnostic Care & Support for Adults

Receiving a formal autism diagnosis is often the start of a transformative journey. Beyond diagnosis, our expert clinicians provide tailored post-diagnostic support to help you understand your neurodevelopmental profile, leverage your strengths, and navigate daily life with confidence.

We provide holistic care tailored to your goals, which may include:

  • Clear guidance on understanding your diagnosis and identifying your specific support needs
  • Guidance on Access to Work applications, reasonable workplace accommodations, and employer communication
  • Targeted psychological and speech therapy support for social communication, sensory processing, and emotional regulation
  • Occupational therapy support for sensory integration, daily routine structuring, and executive function management
  • Expert clinical medication management for co-occurring anxiety, low mood, or ADHD
  • Ongoing consultations to refine your management strategies as your life or career evolves

Get Your Private Autism Assessment Today

Take the first step towards understanding autism with our consultant/doctor-led private autism assessments. Book your appointment now for personalised care.

Private Autism Assessment FAQs

At Private ADHD, our private autism assessment costs £695 (including VAT). This includes a full diagnostic assessment, consultations, and a comprehensive report delivered within 3–5 working days.

You can read our full price list for for autism assessments here →

Our private assessment for autism is suitable for school-aged children aged 12+. Assessments are carried out by specialists in Child and Adolescent Psychiatry via secure video consultation.

All of our private autism assesments UK are fully NHS-compliant and follow clinical guidelines. Reports are recognised by GPs, NHS services, schools, employers, and Integrated Care Boards.

The process includes an ADOS assessment (1 hour) followed by a diagnostic interview with a consultant psychiatrist. A full diagnostic assessment report is delivered within 3–5 working days, significantly faster than NHS waiting times.

Our clinical team includes GMC-registered Specialist Doctors , psychiatrists, paediatricians, ADOS assessors  and experienced clinical psychologists, many of whom are former NHS Locum consultants.

Read more about our team here →

We are a clinician-led organisation providing affordable private autism assessments in the UK without compromising on clinical excellence or quality of care.

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