hreflang="en-gb" /> Multidisciplinary Autism Assessment
Private Multidisciplinary Autism Assessments | UK Wide

Multidisciplinary Autism Assessments Across the United Kingdom

Evidence‑based diagnostics for all ages, genders, and ethnic groups

1  Overview

Advanced Assessments Ltd delivers comprehensive, multidisciplinary diagnostic evaluations for Autism Spectrum Condition (ASC) to children, young people, and adults throughout England, Scotland, Wales, and Northern Ireland. Our clinical, educational, occupational, and forensic psychologists work alongside consultant psychiatrists to provide NICE‑compliant assessments (NICE, 2016; NICE, 2022). Clients who do not wish to book a multidiscplinary autism asssessment can still request an autism assessment by a single psychologist or psychiatrist.

2  Why Choose Advanced Assessments Ltd?

BenefitRationaleEmpirical Support
Comprehensive formulation Autism is heterogeneous; a team approach distinguishes ASC from ADHD, intellectual disability, trauma, and mental‑health conditions. Mandy & Lai, 2016; Lord et al., 2022
Enhanced diagnostic validity Two independent clinicians administer the Autism Diagnostic Observation Schedule‑2 (ADOS‑2) and/or Autism Diagnostic Interview‑Revised (ADI‑R), minimising false results. Lord et al., 2022
Actionable, holistic recommendations Cognitive, communicative, sensory, and adaptive profiles underpin tailored interventions at home, school, university, or work. Lord et al., 2022
Legal defensibility Consensus opinions from multiple regulated experts carry greater weight in SEND tribunals and courts. Brett et al., 2016

Cultural‑linguistic interpreters and culturally normed psychometrics are available to ensure equitable access for all ethnic communities (World Health Organization, 2023).

3  Our Assessment Packages

All tiers can be delivered remotely via encrypted tele‑health or face‑to‑face in London and Nottingham and other regional hubs. Tele‑health has equivalent accuracy to in‑person assessment (Parsons et al., 2019).

LevelCore ComponentsStandard Turn‑aroundExpedited Turn‑aroundFee (remote)
Level 1 ADOS‑2 or ADI‑R; Developmental history; BRIEF‑2/BRIEF‑A 4 weeks 7 days £1,800 (£3,600 expedited)
Level 2 ADOS‑2 and ADI‑R; Social Responsiveness Scale‑2; all Level 1 elements 4 weeks 7 days £2,900 (£5,800 expedited)
Level 3 Level 2 WAIS‑IV/WISC‑V or WRIT cognitive testing; ABAS‑3 adaptive assessment 4 weeks 7 days £3,375 (£6,750 expedited)
Assessments intended for litigation must be commissioned under separate expert‑witness fee schedules.

4  Your Assessment Pathway (What to Expect)

  1. Free Screening Call (15 min) – Discuss concerns and determine suitability.
  2. Referral & Screening Questionnaires – AQ‑10/50, EQ, RBQ‑2A.
  3. Developmental Interview – Structured caregiver or collateral history using ADI‑R (Le Couteur et al., 2003).
  4. Direct Behavioural Observation – ADOS‑2 module matched to age & language.
  5. Neuropsychological Testing – Where indicated.
  6. Contextual Liaison – School, university, employer, or family (with consent).
  7. Multidisciplinary Diagnostic Conference – Team applies DSM‑5‑TR and ICD‑11 criteria.
  8. Feedback & Written Report – Strength‑based, APA‑formatted report issued within agreed time frame, followed by a one‑hour consultation.
  9. Post‑Diagnostic Support – Psycho‑education, CBT, coaching, and signposting.

5  Booking & Funding

  • Online Booking: Secure card payment through our encrypted portal.
  • Instalments: PayPal ‘Pay in 3’.
  • Private Insurance: Check eligibility with Bupa, AXA, Aviva, WPA, Vitality, etc.
  • Legal Aid / Local Authority: We accept certificated cases and spot‑purchase agreements.
  • Bank Transfer: Invoice issued on confirmation.

Written quotations remain fixed for the entire pathway.

6  Meet the Clinical Team

Professional DisciplineRegulatory BodyRole in Assessment
Consultant Clinical, Educational, Occupational & Forensic Psychologists Health & Care Professions Council (HCPC) Cognitive, emotional, and behavioural evaluation; differential diagnosis; recommendations
Consultant Psychiatrist General Medical Council (GMC) Medical, developmental, and psychopharmacological review; differential diagnosis of neurological and psychiatric conditions
Speech & Language Therapist Health & Care Professions Council (HCPC) Pragmatic language assessment; social‑communication intervention
Occupational Therapist Health & Care Professions Council (HCPC) Sensory‑processing and daily‑living assessment; environmental adaptations

At lest two assessors from the above disciplinies will form part of the core assessment team. We may include psychiatrists, GPs, occupational therapists, speech and language therapists or nurses on as part of the core psychology team.

7  Quality, Ethics & Governance

Our procedures align with the British Psychological Society Code of Ethics and Conduct and the Standards for Educational and Psychological Testing (AERA et al., 2014). Rigorous review, and data security underpin clinical excellence.

9  Nationwide & Remote Coverage

  • Clinics: London, Nottingham, and Birmingham.
  • Video calls with schools: Available where clinically necessary.
  • Remote Tele‑Health: GDPR‑compliant platform serves urban, rural, and offshore UK locations as well as international clients.

10  Frequently Asked Questions

How quickly can I be seen?
Same‑week appointments are often available; reports issue within 4 working weeks (or 7 days with an expedited package).

Is an online assessment as accurate as face‑to‑face?
Yes. A systematic review found tele‑health assessments achieve comparable diagnostic accuracy and acceptability (Parsons et al., 2019).

Will my report be accepted by the NHS or Local Authority?
Our methodologies follow NICE guidance and are routinely accepted by NHS services, local authorities, and educational institutions.

Do you assess women and girls who ‘mask’ their autism?
Absolutely. Our clinicians are trained in gender‑informed assessment and use tools validated for female presentations (Hull et al., 2020).

11  Next Steps

📞 Telephone: 020 8200 0078

🖱️ Book Online: Level 1 | Level 2 | Level 3

A high‑quality, multidisciplinary autism assessment is an investment in lifelong well‑being, educational attainment, and occupational success.

12  References

American Educational Research Association, American Psychological Association, & National Council on Measurement in Education. (2014). Standards for educational and psychological testing. American Educational Research Association.

Brett, D., Warnell, F., McConachie, H., & Parr, J. R. (2016). Factors affecting age at autism diagnosis in the United Kingdom: A multiple regression analysis. Autism, 20(2), 207–215. https://doi.org/10.1177/1362361315588199

Hull, L., Mandy, W., & Lai, M.‑C. (2020). Social camouflaging in autism: A systematic review. Autism Research, 13(2), 234–249. https://doi.org/10.1002/aur.2209

Le Couteur, A., Lord, C., & Rutter, M. (2003). Autism Diagnostic Interview—Revised. Western Psychological Services.

Lord, C., Brugha, T. S., Charman, T., Cusack, J., Dumas, G., Frazier, T., Jones, E. J. H., Jones, R. M., Pickles, A., State, M., Taylor, J. L., & Veenstra‑VanderWeele, J. (2022). Autism spectrum disorder. Nature Reviews Disease Primers, 8, Article 11. https://doi.org/10.1038/s41572‑021‑00372‑4

Mandy, W., & Lai, M.‑C. (2016). The role of the environment in the developmental psychopathology of autism spectrum condition. Journal of Child Psychology and Psychiatry, 57(3), 271–292. https://doi.org/10.1111/jcpp.12501

National Institute for Health and Care Excellence. (2016). Autism spectrum disorder in adults: Diagnosis and management (NICE Guideline CG142). https://www.nice.org.uk/guidance/cg142

National Institute for Health and Care Excellence. (2022). Autism spectrum disorder in under 19s: Recognition, referral and diagnosis (NICE Guideline CG128). https://www.nice.org.uk/guidance/cg128

Parsons, S., Cordier, R., Vaz, S., & Lee, H. C. (2019). A systematic review of pragmatic language assessment tools for children and adolescents with autism spectrum disorder using tele‑health. Research in Autism Spectrum Disorders, 66, Article 101421. https://doi.org/10.1016/j.rasd.2019.101421

World Health Organization. (2023). Autism. https://www.who.int/news‑room/fact-sheets/detail/autism-spectrum-disorders

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Private Autism Diagnosis and Assessment | Adult and Child ASD Assessment | Autism Assessment UK

Autism Diagnosis and Assessment by Psychologists for Children and Adults in UK and Internationally: ̶̶̶Fast Turn Around. Comprehensive Autism Assessments for Legal, Education and Employment for Children and Adults. Autism Assessments Reports.



Multidisciplinary Autism Assessment

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Advanced Assessments - Psychologists for Legal, Education and Employment
Open Now - 24 hour Service - Open Weekends
We work throughout the UK

UK: +44 208 200 0078 Emergencies: +44 7071 200 344

Advanced Assessments - Expert Witnesses & Psychologists, 4th Floor, 49 St. James's Street, London, SW1A 1JT
180 Piccadilly, London, W1J 9ER
Also at: Westhill House, Highgate Consulting Rooms, 9 Swain's Lane, London N6 6QS
Please do not attend our office if you do not have an appointment


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