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If you suspect that you or a loved one may have Attention Deficit Hyperactivity Disorder (ADHD), seeking a professional assessment is crucial for a proper diagnosis and personalised treatment plan. While the National Health Service (NHS) provides assessments for ADHD, there can be significant waiting times. If you prefer a quicker route, a private ADHD assessment might be an option worth considering. In this article, we will explore the process of private ADHD assessments in the UK, including the cost, waiting times, referral requirements, and more.

How much is a private ADHD assessment in the UK?

Private ADHD assessments in the UK can vary in cost depending on several factors such as the clinic, location, and the type of assessment required. On average, the cost for a private ADHD assessment can be around £1,200 for adults, and £1,600 for children. It’s important to note that these prices are approximate and can vary. 

At Oxford CBT, we offer accurate assessments with comprehensive support for individuals and families throughout their ADHD journey. We understand the financial challenges faced by individuals and families seeking private assessments. Therefore, we have structured our pricing to be more accessible than many other services in the field, ensuring that quality care remains a top priority.

How long is the waiting list for ADHD assessment in the UK?

NHS ADHD test for adults waiting list

The waiting times for ADHD assessments through the NHS can vary depending on the region and demand. In some cases, adults may experience waiting periods of several months before they can undergo an assessment. Obviously this can be frustrating for individuals seeking a timely diagnosis and treatment.

NHS ADHD test for children waiting list

Children who require an ADHD assessment through the NHS may also face significant waiting times. The waiting periods can range from several months to over a year, depending on the area and demand. This delay in assessment can be challenging for children and their families, as early intervention and support are crucial for managing ADHD effectively. 

Delay in ADHD diagnosis can have significant impacts on children’s academic performance and overall school experience in various ways. They may struggle academically, experience learning gaps, exhibit disruptive behavior, have lower self-esteem, face social challenges, and miss out on support services provided by schools. Timely diagnosis is crucial for implementing interventions, accommodations, and strategies to address these issues and support the child’s academic progress and well-being in the school environment.

Do I need a GP referral for a private ADHD assessment?

In most cases, a GP referral is not required for a private ADHD assessment. You can directly approach a private clinic or specialist who specialises in ADHD assessments. However, it’s advisable to consult your GP initially to discuss your concerns and explore all available options.

Private ADHD assessment cost

The cost of a private ADHD assessment can vary depending on the clinic and the type of assessment required. On average, the cost is around £1,200 for adults. It’s important to enquire about the specific services included in the assessment to ensure comprehensive evaluation and diagnosis.

Cheapest ADHD assessment in the UK

It’s worth noting that the cost of a private ADHD assessment can vary significantly across different clinics and specialists. It’s advisable to research and compare prices to find a reputable and affordable option that meets your needs. However, it’s essential to prioritise the expertise and qualifications of the professionals conducting the assessment to ensure a reliable and accurate diagnosis.

ADHD assessment payment plans

Some private clinics may offer payment plans or installment options to make the cost of ADHD assessments more manageable. It’s worth enquiring about these options when discussing the assessment process with the clinic.

Costs after ADHD assessment

Once you have undergone a private ADHD assessment and received a diagnosis, there may be additional costs involved in the recommended treatment plan. These costs can include therapy sessions, medication, follow-up assessments, and ongoing support. It’s important to consider these potential expenses when planning for the management of ADHD.

Does the NHS accept private ADHD diagnosis?

In some cases, the NHS may accept a private ADHD diagnosis. However, it’s important to consult with your GP and provide them with the relevant assessment reports and documentation for further evaluation and consideration. The NHS will assess the validity and reliability of the private diagnosis to determine the appropriate course of action.

How much is a private prescription for ADHD in the UK?

If medication is recommended as part of the treatment plan for ADHD, private prescriptions can incur additional costs. The price of private prescriptions can vary depending on the medication prescribed and the pharmacy. It’s advisable to consult with your GP or pharmacist for accurate pricing information.

Is the cost of a private ADHD assessment worth it?

There are several reasons why it may be worth considering investing in a private ADHD diagnosis:

Reduced Waiting Times: One of the primary advantages of a private diagnosis is the significantly reduced waiting times compared to the NHS. The waiting lists for ADHD assessments through the NHS can be extensive, leading to delayed diagnosis and treatment. Opting for a private assessment allows you to be seen by a specialist more quickly, enabling prompt intervention and support.

Timely Intervention: Early intervention is crucial for individuals with ADHD, regardless of age. Obtaining a timely diagnosis through a private assessment can lead to early intervention strategies, personalised treatment plans, and appropriate support. This can significantly improve outcomes and help individuals better manage their symptoms and challenges.

Comprehensive Assessment: Private ADHD assessments often involve thorough evaluations conducted by experienced professionals. These assessments typically include in-depth interviews, cognitive assessments, behavioural observations, and input from parents, teachers, and other relevant parties. The comprehensive nature of private assessments can provide a more accurate and detailed understanding of ADHD symptoms, strengths, and challenges, leading to an individualised treatment plan.

Flexibility and Control: Opting for a private ADHD assessment gives you more control and flexibility in choosing the assessment provider, timing, and location. You can select a clinic or specialist with expertise in ADHD, ensuring that you receive the highest quality of care and accurate diagnosis. This control over your healthcare journey can contribute to a more positive experience and tailored treatment.

Access to Specialists: Private assessments often grant you access to specialists who have extensive experience and knowledge in diagnosing and treating ADHD. These professionals may have specific expertise in ADHD-related conditions or be up-to-date with the latest research and treatment options. Their specialised knowledge can offer valuable insights and guidance for managing ADHD effectively.

Confidentiality and Privacy: Private assessments offer a higher level of confidentiality and privacy compared to NHS assessments, which are part of a national healthcare system. Some individuals prefer the discretion that private assessments provide, particularly in professional or personal settings where disclosing ADHD diagnosis may have implications.

Additional Services and Support: Private clinics may offer additional services and support beyond the diagnosis itself. These can include therapy sessions, counseling, educational support,

and follow-up assessments. Having access to a comprehensive range of services under one roof can streamline the treatment process and ensure holistic support for individuals with ADHD.

It’s important to carefully consider your personal circumstances, financial resources, and individual needs when deciding whether to invest in a private ADHD diagnosis. While private assessments offer numerous benefits, it’s crucial to weigh them against your specific situation and consult with healthcare professionals to make an informed decision.


Seeking a private ADHD assessment in the UK can provide a quicker and more convenient path to diagnosis and treatment. While the cost may vary, it offers individuals and their families an opportunity to receive comprehensive evaluations and tailored support. Remember to research reputable clinics, compare prices, and discuss payment options to make an informed decision about your ADHD assessment. Ultimately, the goal is to receive the appropriate diagnosis and support needed to manage ADHD effectively and improve overall well-being.

If you would like to start with a more informal idea of your present needs try our ADHD online self-assessment quiz here.

If you have any questions or would like to find out more about our treatment options, please reach out via our online contact form or call us on 01865 920077.

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