How to Get a Dyslexia Diagnosis in the UK (Step-by-Step Guide)
- thisisdyslexia
- Apr 5
- 4 min read
If you’re searching for how to get a dyslexia diagnosis in the UK, you’ve likely already noticed something doesn’t feel quite right.
Your child may be bright but struggling with reading.
Or you may be an adult who has always found writing, organisation or processing information more difficult than it should be.
At some point, the question becomes:
“How do I actually get a dyslexia diagnosis?”
This guide explains exactly how the process works in the UK and what to do next.
What Is a Dyslexia Diagnosis?
A dyslexia diagnosis is a formal assessment of how the brain processes written language.
It looks at underlying cognitive skills such as:
phonological processing
working memory
processing speed
reading and spelling
A diagnosis provides:
✔ clarity about why learning feels difficult
✔ a detailed understanding of strengths and challenges
✔ practical recommendations for support
✔ formal documentation (for school or workplace adjustments)
Step 1: Recognise the Signs
Most people start by noticing patterns that don’t improve over time.
In children:
slow or effortful reading
guessing words instead of decoding
inconsistent spelling
difficulty remembering what they’ve read
frustration or avoidance of reading
In adults:
rereading emails before sending
taking longer to complete written tasks
difficulty organising information
feeling capable but held back
👉 If these patterns sound familiar, it may be worth exploring further.
Step 2: Understand Screening vs Diagnosis
This is where many people get stuck.
Dyslexia Screening (Quick Check)
gives a snapshot of possible risk
often done in schools
does NOT provide a diagnosis
Diagnostic Assessment (Full Diagnosis)
in-depth evaluation of cognitive processing
carried out by a specialist assessor or educational psychologist
provides a formal diagnosis and report
👉 This is the step that gives real clarity.
Step 3: Decide How You Want to Proceed
You have two main routes in the UK:
Option 1: Through School (Children)
Schools can:
provide support
carry out screening
monitor progress
However:
❗ schools do NOT usually provide full diagnostic assessments
❗ timelines can be long
Option 2: Private Dyslexia Assessment (Most Common and Formally Recognised in UK)
You can book directly with a specialist assessor.
This is often:
✔ faster
✔ more detailed
✔ focused on your child or your needs
👉 You do NOT need a referral.
Step 4: Book a Diagnostic Assessment
A full dyslexia assessment typically:
takes several hours
includes structured tasks and activities
explores strengths as well as difficulties
Areas assessed include:
reasoning ability
phonological processing
working memory
reading and spelling
Step 5: Receive Your Report
After the assessment, you will receive a detailed diagnostic report.
This explains:
✔ whether the profile is consistent with dyslexia
✔ strengths and areas of difficulty
✔ how learning or work is affected
✔ clear recommendations
For adults, this may also support:
workplace adjustments
exam access arrangements
Step 6: What Happens After a Diagnosis?
A diagnosis is not the end point, it’s the turning point.
Once you understand why things feel difficult, you can focus on what actually helps.
Support may include:
structured literacy approaches
strategies for memory and processing
adjustments at school or work
Some families and adults also explore neuroscience-based programmes that target the underlying processes involved in learning.
How Long Does It Take to Get a Dyslexia Diagnosis in the UK?
School route: can take months or longer
Private assessment: usually arranged within weeks
Reports are typically provided within a few weeks after assessment.
Do You Need a Referral for a Dyslexia Assessment?
No.
In the UK, you can book a private dyslexia assessment directly with a qualified specialist.
How Much Does a Dyslexia Assessment Cost in the UK?
Costs vary depending on the type of assessment and provider.
A full diagnostic assessment includes:
several hours of testing
detailed analysis
a comprehensive written report
👉 While it is an investment, many families and adults find the clarity and direction it provides invaluable.
Is It Worth Getting a Dyslexia Diagnosis?
This is one of the most important questions.
A diagnosis provides:
✔ understanding
✔ reassurance
✔ direction
✔ confidence
It shifts the narrative from:
“Why is this so hard?”
to
“This is how my brain works and this is what helps.”
Take the Next Step
If you’re exploring how to get a dyslexia diagnosis in the UK, it’s often because you already recognise the patterns.
Understanding those patterns is the first step.
If you’d like to understand dyslexia in more detail first, read The Complete Guide to Dyslexia in the UK, which explains signs, causes and support.
Frequently Asked Questions
Can schools diagnose dyslexia in the UK?
No not normally. Schools can screen and support, but a full diagnosis must be carried out by a specialist assessor or educational psychologist.
What age can dyslexia be diagnosed?
Dyslexia is usually diagnosed from around age 7 onwards, although signs can appear earlier.
Can adults be diagnosed with dyslexia?
Yes. Many adults are diagnosed later in life, particularly when workplace demands increase.
How do I start the process?
You can begin by recognising patterns and then booking a specialist dyslexia assessment.
About the Author
Laura Gowers is a specialist dyslexia assessor and founder of This is Dyslexia. With over 23 years of experience in education, she supports children and adults to understand how their brain processes information and access the right support to thrive.
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