Autism & ADHD Assessments in Essex

The Tree Room

12 Trinity St

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Face to face appointments at our Essex clinic

Originally starting out in Shrewsbury, The Autism Service has been delivering autism and ADHD assessments for both children and adults since 2019.

With over 700,000 people living with autism across the UK, we recognised the need to supply face-to-face appointments at more locations. Waiting months for an autism diagnosis can be stressful and opening our Essex clinic means private assessments are now more readily available.

Since opening our Essex clinic in April 2023, we’ve been able to increase regional capacity and carry out hundreds of assessments. With our full range of assessments available, we are able to carry out assessments for both autism & ADHD as well as combinations of the two. Crucially, all assessments are available for both children and adults.

Our clinicians deliver fast, accurate diagnostic assessments to identify whether an individual has ASD or ADHD.

Why people choose us

  • Your appointments will always be face to face
  • Our assessment pathways follow national guidance from NICE
  • You will only be seen by clinicians who are professionally regulated in their practice
  • Your assessment will include at least one in-person appointment
  • We use the best available tools to assist diagnosis
  • You will be assessed by a multi-disciplinary team
  • The outcome of the assessment will be recognised by external organisations

Book an assessment

What to expect from your assessment

Below, you’ll find links to video resources we’ve put together to help you understand what to expect from the assessment process. If you have any questions at all on our process, please reach out and one of the team will be able to put your mind at ease.

Adult ASD Pathway

Child ASD Pathway

Adult ADHD Pathway

Child ADHD Pathway

“Excellent and professional service from beginning to end. As a result, school have acted swiftly in response to our son’s diagnosis and recommendations in the report.”

“All the professionals we encountered were lovely, professional and very experienced/helpful. Would recommend this service, from start to finish the process took less than eight weeks and they offered convenient appointment times.”

“The assessment was a lot more robust then when I tried to do it through the NHS, and I was seen by multiple clinicians and their report was thorough.”

How to find us

Our Essex clinic is located in The Hythe in the southeastern part of Colchester, Essex and is easily accessible by car, as well as being well-served by public transport from around the Colchester area.

The clinic does not have any on-site parking, but there are several public car parks nearby within walking distance to the clinic. We strongly believe in equality of all individuals and identify as LGBTQ+ friendly, with gender-neutral toilets and our reception team are happy to assist with any enquiries from visitors, visiting the clinic.

Getting here

12 Trinity St

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Clinic is accessible via A14, M1 or via the M40.

Essex clinic FAQs

Our Essex clinic is located in The Hythe area of Colchester and is easily accessible from central Colchester, as well as surrounding areas, such as Chelmsford and Braintree. Clients travelling from Colchester, take the A134, which will take you straight to the clinic. If travelling from Braintree, take the A120, right into the centre of Colchester, before going onto the A134 and taking the third exit on the roundabout onto Hawkins Road, where you’ll find the clinic. For clients travelling from Chelmsford, take the A12 and continue on the A134. On the roundabout, take the third exit onto Hawkins Road to arrive at our clinic.

There is no onsite parking near the clinic, although there is several public car parks within walking distance of the clinic. Vineyard Street Parking on Vineyard Street in Colchester has a number of disabled parking spaces, as well as additional car parking spaces available on St Johns Walk on Southway and St Mary’s Car Park on 2 Balkerne Hill.

The clinic has a portable ramp, which is available for wheelchair users to use. If you make a booking at the clinic, please contact our friendly team, who will make the necessary arrangements when booking an appointment with us.

There is currently no waiting list at any of our clinics. Please call us directly on +44 0300 303 0667 or submit a booking form above for full details. Please note, waiting times can vary throughout the year.

At our Essex clinic, we offer autism, ADHD and combined ASD/ADHD assessments for both adults and children. Whichever service you choose, you will receive a full face-to-face, NICE-compliant diagnostic assessment.

Find out more about autism & ADHD

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