Understanding ADHD and Autism Assessments: A Guide for Parents in the UK
At Atypically, we know how overwhelming it can feel when you suspect your child may have ADHD or autism. Many parents struggle with long NHS waiting lists and limited guidance about what the assessment process actually involves. That’s why we provide clear, accessible information and connect families to trusted providers offering private ADHD assessments and private autism assessments across the UK.
In this guide, we’ll walk you through what these assessments involve, why early diagnosis is important, and where you can find additional support.
An ADHD assessment is a structured process carried out by a qualified specialist, such as a psychiatrist, psychologist, or specialist nurse. The goal is to determine whether your child meets the criteria for Attention Deficit Hyperactivity Disorder.
An assessment usually involves:
- Clinical interviews with parents and (where possible) the child
- Questionnaires that explore behaviour in different settings (home and school)
- Developmental history review
- Screening for other conditions, since ADHD often co-occurs with learning differences, anxiety, or autism
Private ADHD assessments typically provide a detailed written report with recommendations for school support, behavioural strategies, and – if appropriate – treatment options.
An autism assessment looks at whether your child meets the criteria for Autism Spectrum Disorder (ASD). Autism is a neurodevelopmental condition that affects communication, social interaction, and behaviour in unique ways.
Autism assessments usually include:
- Developmental history interviews with parents or caregivers
- Observational assessments, sometimes using tools such as the ADOS-2 (Autism Diagnostic Observation Schedule)
- Input from schools or nurseries, since children may present differently in different environments
- Consideration of co-occurring conditions, such as ADHD, speech/language differences, or anxiety
At the end of the assessment, parents receive a detailed diagnostic report, often with practical recommendations for home and school, plus signposting to relevant therapies and support services.
Across the UK, parents often face NHS waiting times of 18 months or longer for ADHD assessments and autism assessments. This delay can leave families in limbo, struggling to get the right support at school or at home.
By choosing a private assessment through Atypically you can get:
- Faster access: Appointments are often available within weeks, not years.
- Comprehensive reports: Private assessments usually provide in-depth reports that can be shared with schools for additional support.
- Personalised guidance: Families receive tailored advice, not just a diagnosis.
Every child is different, but here are some signs that may suggest the need for an ADHD or autism assessment:
Possible ADHD signs:
- Struggles to focus on tasks or instructions
- Appears forgetful or easily distracted
- Shows impulsive behaviour or frequent restlessness
Possible Autism signs:
- Difficulty with eye contact or social interaction
- Repetitive behaviours or routines
- Strong sensory sensitivities
- Challenges with communication or flexible thinking
If you recognise several of these traits in your child, it may be time to consider an assessment. Please try our free ADHD and Autism screener which can help you to see if a full assessment might be the right choice for you.
A diagnosis can feel overwhelming, but it also unlocks access to support. Here are some trusted UK organisations where parents can learn more:
National Autistic Society – resources, helplines, and community support for families affected by autism.
ADHD UK – information and training to support children and families living with ADHD.
YoungMinds – guidance on supporting your child’s mental health and navigating the healthcare system.
At Atypically, we simplify the process of finding the right professional for your child. Whether you’re searching for a private ADHD assessment or a private autism assessment, our platform connects you to trusted clinicians across the UK.
We make it easier for parents to:
- Find the right provider for them
- Understand assessment costs
- Access faster, reliable support for their child’s needs
Navigating the journey of ADHD and autism can feel overwhelming, but you don’t have to do it alone. With the right information, timely assessments, and access to trusted professionals, your child can receive the support they deserve.
If you’re ready to take the next step, explore assessment options through Atypically today – because every child deserves to be understood.
Written by Ben Friedman, Founder of Atypically.
Ben has years of first hand experience as a father of an autistic son and a SEND advocate. All content is thoroughly researched to help parents to be as informed as possible when navigating private assessments and meaningful interventions for their neurodiverse children. Ben also holds a CPD Accredited Certification in the Treatment and Management of Additional Needs Children with Neurodevelopmental Disorders.
With NHS waiting lists now taking up to 2 years in some areas for a final diagnosis, now is the time to get your child the help they need. By going private, you can cut the waiting time down to a few weeks instead and it it doesn't cost as much as you might think!
Private autism or ADHD assessments typically take 2 to 12 weeks from initial enquiry to diagnosis. These assessments are conducted by qualified professionals and follow the same diagnostic criteria used by the NHS.
Let us now what you need and we will put you in touch with the right team for your child's needs.
Atypically connects parents with top neurodiversity assessors, tailored to their child's needs. Bypass NHS waits with expert private evaluations.
