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ADHD Assessment UK
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Assessment8 min read · July 2025

Self-Referral vs GP Referral for ADHD Assessment: Which Is Right for You?

One of the most common questions we receive is whether you need a GP referral to book a private ADHD assessment. The short answer is no -- you can self-refer directly to a private provider. But understanding the differences between the two routes will help you make the best decision for your circumstances.

Self-referral to a private provider

Self-referral means booking directly with a private ADHD assessment service without going through your GP first. The advantages are speed (appointments typically available within 2-4 weeks), no need to convince your GP of the need for assessment, and complete control over the process. There are no clinical disadvantages to self-referral.

Many adults choose self-referral because they have already tried to discuss ADHD with their GP and felt dismissed, they cannot wait months for a GP appointment, or they simply want to take control of the process.

GP referral to a private provider (Right to Choose)

If your GP refers you under the NHS Right to Choose, the assessment may be funded by the NHS. This removes the cost but typically involves longer waiting times than a self-funded assessment -- usually 3-12 months rather than 2-4 weeks.

GP referral to NHS services

A GP referral to NHS ADHD services is free but involves the longest waiting times -- currently 1-5 years in most areas of England. This is not a practical option for most adults who are struggling now.

A direct comparison

RouteCostWait timeGP involvementOutcome
Self-referral (private)From £3992-4 weeksNot requiredComprehensive report
Right to Choose (NHS-funded)Free3-12 monthsRequiredComprehensive report
NHS referralFree1-5 yearsRequiredVaries by service

What we recommend

Speak to your GP before or after your private assessment. Before, because your GP can rule out other medical causes for your symptoms. After, because your GP needs to be informed of your diagnosis to support shared care for medication and to update your medical records.

You do not need your GP's permission to book a private assessment, but keeping them informed is in your best interest. A good private assessment provider will send a letter to your GP after your assessment, regardless of the outcome.

What to look for in a private provider

Not all private ADHD assessment providers are equal. When choosing a provider, look for:

  • CQC registration (the Care Quality Commission regulates healthcare providers in England)
  • GMC-registered clinicians
  • Assessments conducted in accordance with NICE guideline NG87
  • A comprehensive written report (not just a letter)
  • Clear pricing with no hidden costs
  • A clear process for shared care support

After your assessment: next steps

Whether you self-refer or go through your GP, the outcome of a private assessment is the same: a written clinical report confirming or ruling out ADHD, with recommendations for treatment and support. This report can be used to access medication through your GP under a shared care arrangement, apply for workplace adjustments under the Equality Act, and access educational or social support.

Understand exactly what happens at your appointment before you book.

What to Expect