At a glance
- Child autism assessments are typically referred via GP, paediatrician, or health visitor
- Assessments are delivered by paediatric teams or Child and Adolescent Mental Health Services (CAMHS)
- NHS waiting times for children's assessments typically range from 6-24 months
- Right to Choose may allow access to alternative NHS-funded providers
- Private child autism assessments typically cost £1,500-£3,000
The NHS autism assessment landscape is in active change. The 2026/27 NHS Payment Scheme introduced ICB-level caps that may affect Right to Choose capacity. NHS England's transition to the Department of Health and Social Care by around 2027 may further reshape commissioning. ICBs are also being reduced from 42 to 26 through 2025-26. Always check local NHS guidance and the eligibility checker for the most current information.
Many parents begin exploring autism assessments after noticing differences in their child's development, communication, or behaviour. Autism is a neurodevelopmental condition that can affect how a child experiences social interaction, communication, and sensory environments.
Getting an autism diagnosis can help families better understand their child's needs and access appropriate support in education and daily life. However, many parents are unsure how the assessment process works or how long it may take.
This guide explains how autism assessments for children work in the UK, including referral pathways, waiting times, and the different options available through NHS and private providers.
Signs a child may be referred for an autism assessment
Children develop at different rates, and many behaviours that raise questions about autism may also occur in children without the condition. However, some parents seek professional advice if they notice patterns that affect their child's communication, behaviour, or social interaction.
Some signs that may lead to a referral for assessment include:
- delayed speech or language development
- difficulty with social interaction or making friends
- limited eye contact or social engagement
- strong focus on particular interests or routines
- sensory sensitivities to noise, textures, or lights
If parents have concerns about their child's development, they may wish to discuss these with a healthcare professional.
How the child autism assessment pathway begins
In the UK, the process usually begins with a referral to specialist services.
Formal referrals to autism assessment services are typically made through:
- a GP
- a paediatrician
- a health visitor
Schools and SENCOs may raise concerns about a child's development and can support the referral process, but formal referrals to autism assessment services are typically made through a GP, paediatrician, or health visitor.
Once referred, children are usually placed on a waiting list for an autism assessment service.
These services are often delivered through paediatric teams or Child and Adolescent Mental Health Services (CAMHS), depending on the region.
What happens during a child autism assessment
Autism assessments for children are typically carried out by multidisciplinary teams with expertise in child development.
These teams may include:
- paediatricians
- clinical psychologists
- speech and language therapists
- occupational therapists
The assessment process may involve:
- developmental history discussions with parents
- observation of the child's communication and behaviour
- structured assessment tools and questionnaires
- input from school or nursery staff
In some cases, the assessment may take place across several appointments.
NHS autism assessments are expected to follow NICE clinical guidelines (CG170 for children and young people). If you are considering a private assessment, you may wish to check that the provider follows these recognised diagnostic standards.
How long autism assessments for children take
Waiting times for child autism assessments vary widely across England.
In many areas, families may wait months or even several years for a full assessment due to high demand and limited specialist capacity.
Current NHS autism assessment waiting times across England.
Right to Choose autism assessments
Under the NHS Constitution, patients in England referred for their first outpatient appointment have the legal right to choose their provider. This includes autism assessments.
However, your GP must first agree that a referral for an autism assessment is clinically appropriate. If they do refer your child, you can request referral to a provider that accepts NHS Right to Choose referrals.
Check your Right to Choose eligibility
Our free eligibility checker helps you understand whether you may be able to use Right to Choose for your child's autism assessment.
Check eligibilityPrivate autism assessments for children
Some families explore private autism assessments, particularly if NHS waiting lists are very long.
Private assessments may allow children to be assessed more quickly, but the costs can be significant.
Typical private autism assessment costs in the UK may range from approximately:
- Around £1,500 to £3,000, though fees may be higher depending on the provider, the complexity of the assessment, and whether the assessment is for an adult or a child.
Parents considering private diagnosis may wish to ensure that the provider follows recognised diagnostic standards and that the assessment will be accepted for relevant support services.
Compare private and NHS autism diagnosis options, costs, and timelines.
What happens after a child receives an autism diagnosis
An autism diagnosis can help families access support services and educational adjustments that may benefit the child.
After diagnosis, parents may explore:
- educational support through schools
- Education, Health and Care Plans (EHCPs)
- therapy or support services
- guidance on supporting the child's development
Support options vary depending on the child's needs and local services.
After receiving a diagnosis, you may wish to ask the clinician about a post-diagnostic support plan. You can also contact local autism services or organisations such as the National Autistic Society (autism.org.uk) for guidance on next steps, support groups, and practical advice.
Compare autism assessment providers
If you are exploring autism assessment options for your child, it can be helpful to understand the available referral pathways and providers.
Explore autism assessment providers
Find Care Compare helps families explore NHS and private autism assessment providers for children. You can:
- Browse providers accepting Right to Choose referrals
- Compare waiting times and assessment formats
- Understand what each provider offers
Frequently asked questions
Sources
This article summarises publicly available information from:
Sources referenced include:
- NHS England — autism assessment guidance
- NICE CG170 — autism in under 19s guideline
- NHS England — Choice Framework
- National Autistic Society — autism in children resources
- Department for Education — Education, Health and Care Plans (EHCPs)
- Department of Health and Social Care — autism strategy
Related guides
Autism Right to Choose explained
How Right to Choose works for autism assessments in England, who's eligible, and how to request a referral.
Read guide GuideAutism diagnosis waiting times
Current NHS autism assessment waiting times across England.
Read guide GuideAdult autism assessment in the UK
What to expect from an adult autism assessment in the UK.
Read guide GuideHow to get an autism diagnosis in the UK
Step-by-step guide to getting an autism diagnosis through NHS or private routes.
Read guide