AUTISM ASSESSMENTS CHessington
Specialist Autism assessments in Chessington
for children, adolescents, and adults. Evidence-based, NICE-compliant, and trusted by families across the area.
Autism presents differently in every person. A child who struggles socially but excels academically, an adult who has spent years developing strategies to mask their difficulties, a teenager whose anxiety and sensory sensitivities have never been fully explained. Whatever the picture, a high-quality autism assessment provides the clarity needed to understand it properly and access the right support.
Why Families & Adults chOOSE Sage PSychology
Our clinicians bring specialist expertise in autism across all ages, using structured, evidence-based methods to reach conclusions that are both accurate and meaningful. We look at the whole person, taking care to understand individual history and context rather than working from a narrow diagnostic lens.
What a High-Quality Autism Assessment Should Include
With more private autism assessment providers available than ever, it is worth understanding what separates a thorough, reliable assessment from a superficial one.
Specialist clinical expertise
Autism presents differently across ages, genders, and backgrounds. The clinicians involved should have specific training and experience in ASC assessment, not just general mental health practice.
More than questionnaires
A robust assessment draws on structured observational tools, direct clinical interaction, and information from people who know the individual well, such as parents, carers, or teachers where relevant.
Multi-practitioner review
Conclusions should not rest on a single clinician's judgement. A multi-practitioner review process, where findings are independently considered before any diagnosis is confirmed, is a key marker of clinical quality.
Screening for co-occurring conditions
Anxiety, ADHD, and emotional regulation difficulties frequently present alongside autism. An assessment that does not screen for these risks producing an incomplete picture.
Thorough developmental history
Understanding early communication, social development, and behavioural patterns is central to accurate diagnosis. This part of the process should never be rushed.
Medical & family health background
Taking health history into account and referring to a GP where clinically appropriate.
Differential diagnoses consideration
Good clinical practice means weighing up alternative explanations, not simply confirming what has already been assumed.
Strengths-based reporting
A useful diagnostic report goes beyond listing difficulties. It should identify strengths alongside challenges and provide practical, tailored recommendations.
Dedicated feedback session
A proper session to discuss findings, answer questions, and plan next steps should be a standard part of the process.
We are proud to say
We meet all of these standards
Our autism assessments in Chessington are designed to give individuals and families a complete, reliable, and genuinely useful outcome.
Our AUTISM
Assessment process
01
Complete a registration form to get started.
02
We contact you to talk through availability and explain what the process involves.
03
Pre-assessment questionnaires are sent out and relevant background information is gathered.
04
Attend a diagnostic interview exploring developmental history, social communication, and sensory experiences.
05
We identify the most appropriate assessment pathway for the individual, such as ADOS, ADI-R, or 3Di for children.
06
A feedback session covers the outcome in full, with space for questions and next-step planning.
What will it cost?
The full ASC assessment process costs £2000
This is including all assessment sessions, diagnostic reporting, and feedback.
Post-Diagnostic Support
After an ASC diagnosis, we offer specialist autism therapy and ongoing support in Chessington.
Support options include emotional regulation strategies, sensory support planning, parent guidance, and autism coaching for adults navigating work, relationships, or further education.
Book Your AUTISM Assessment in Chessington
Ready to take the next step? Book your autism assessment near Chessington today, or get in touch with our team to talk through your options.
Unsure WHETHER an assessment IS RIGHT FOR YOU?
We offer free 20 minute consultations to help guide and advise you in the right direction.
If you are unsure,
You can book a pre-screening appointment
We offer a one-hour pre-assessment consultation to explore your overall mental health and determine whether a full autism assessment is appropriate for you. If we feel an autism assessment is not the most suitable next step, we will recommend an alternative—such as a different type of assessment or a tailored therapy approach.
This initial consultation costs £300, which is deductible from the full assessment fee should you choose to continue with a comprehensive autism assessment through our clinic. If you do not proceed beyond the pre-assessment, we will provide a report with recommendations.
