Key facts (2026): An NHS ADHD assessment involves a referral from your GP to a specialist psychiatrist or ADHD clinic. Current waiting times across much of the UK range from 2–5 years due to high demand. Private ADHD assessment costs £500–£1,500 and typically takes 4–12 weeks to arrange. The Right to Choose pathway offers a faster NHS-funded route for some patients.
ADHD diagnoses in adults have increased dramatically in the UK over the past decade. The NHS is struggling to meet demand, leaving many adults waiting years for an assessment. Understanding your options — including the Right to Choose pathway, private assessment, and shared care agreements — can help you access diagnosis and treatment significantly faster.
NHS ADHD Assessment — The Standard Route
The standard route begins with your GP. Explain how ADHD symptoms affect your daily life — work performance, relationships, organisation, impulsivity, and concentration. Ask for a referral to an ADHD specialist. Your GP refers you to the local CMHT (Community Mental Health Team) or ADHD clinic. Waiting times vary by area — some parts of the UK have waits of 5+ years; others are shorter. Request confirmation of your position on the waiting list.
The Right to Choose (RTC) Pathway
Under the NHS Right to Choose policy, patients in England have the right to choose which NHS-commissioned provider assesses them. Several providers — including Psychiatry UK, Priory Group, and others — offer NHS-funded ADHD assessments with significantly shorter waiting times (sometimes 3–12 months). Ask your GP specifically to refer you under Right to Choose and name a provider. Not all GPs are aware of this right — you may need to advocate for yourself.
Private ADHD Assessment — Cost and Process
A private ADHD assessment in the UK costs approximately £500–£1,500 depending on the provider and whether medication titration is included. Assessment involves a detailed clinical interview (typically 1–2 hours), review of childhood history (often from a parent or old school reports), and standardised questionnaires. If ADHD is diagnosed, a shared care agreement with your GP allows the NHS to prescribe medication rather than paying for private prescriptions (which are expensive — £80–£150/month for stimulants).
Our Verdict
If you suspect ADHD, do not wait passively on an NHS list. Ask your GP about the Right to Choose pathway first — it is NHS-funded with shorter waits. If you can afford private assessment, the cost (£500–£1,500) is often recovered quickly through improved work performance and avoiding private prescription costs through a shared care agreement. Diagnosis is the gateway to treatment, which significantly improves outcomes for most adults with ADHD.
Frequently Asked Questions
How long does ADHD diagnosis take NHS UK?
Currently 2–5 years in most parts of the UK. The Right to Choose pathway can reduce this to 3–12 months for NHS-funded assessment.
How much does private ADHD assessment cost UK?
Approximately £500–£1,500 depending on the provider. This includes the assessment; medication titration may cost extra.
What is the Right to Choose ADHD?
A policy allowing NHS patients in England to choose their provider for ADHD assessment. Providers like Psychiatry UK offer NHS-funded assessments with shorter waiting times than local services.
Disclaimer: For informational purposes only. Verify with gov.uk or qualified professionals before making decisions.
Last updated: April 2026 · Author: Chandraketu Tripathi
