In crisis? Call Samaritans 116 123 (free, 24/7) or 999 in an emergency.
The Thistle Clinic The Thistle Clinic Neurodevelopmental & Psychiatric Clinic
Autism Assessment

Autism Assessment for Children & Adults

Accurate diagnostic clarity from a specialist MDT team.

From £1,200

About the Assessment

Specialist MDT Evaluation

Our Autism Assessment is a highly specialised diagnostic evaluation for individuals of all ages. Blending careful clinical observation, detailed developmental review, and structured diagnostic tools, we identify autistic traits and evaluate communication and behavioural patterns.

Our goal is an accurate diagnosis alongside practical, clear next-step recommendations for ongoing support.

Group of friends sitting arm-in-arm, looking out over a coastal view
Recognising Autism

Signs of Autism in Children & Adults

In Children — Social & Communication

  • Not maintaining eye contact by 9 months
  • Not responding to name by 9 months
  • Using few or no gestures by 12–18 months
  • Not joining other children in play by age 3
  • Lack of pretend play by age 4

In Children — Behaviours & Routines

  • Lining up toys; distress if order is changed
  • Repetitive movements — hand flapping, rocking
  • Repeating words or phrases (echolalia)
  • Playing with toys the same way every time
  • Significant distress at routine changes

In Adults — Social & Communication

  • Finding eye contact uncomfortable
  • Difficulty reading sarcasm or social cues
  • Feeling out of sync with social groups
  • Exhausting to navigate small talk
  • Difficulty expressing or reading emotions

In Adults — Behaviours & Routines

  • Deep, intense interests in specific topics
  • Strong reliance on daily routines
  • High anxiety when routines are disrupted
  • Sensory sensitivities to sounds, lights, textures
  • Unusual responses to sensory input
Common Questions

Autism Assessment FAQs

For children, the assessment involves developmental history, parental interviews, and observing behavioural and communication patterns. For adults, the focus includes self-reporting, exploring childhood history, and current day-to-day experiences. Both follow gold-standard clinical frameworks.
Yes. We understand that online environments can present sensory or communication challenges. Face-to-face assessments are available on request so you or your child feel comfortable throughout.
Our assessments follow NICE guidelines and are conducted by qualified specialist clinicians, producing reports recognised for educational support, workplace accommodations, and professional referrals.

Ready to book an Autism Assessment?

Our specialist team is here to help.

Send an Enquiry

Arrange a Conversation

Please don't include any medical or clinical information here.

This will open your email programme with your message pre-filled — please press send there to complete your enquiry.