Adult ADHD Assessment UK - Private Online ADHD Diagnosis

Private, Consultant-Led Diagnosis in London

An online adult ADHD assessment is a full clinical diagnostic process, not a quiz. Delivered by a consultant psychiatrist over secure video call, it uses the DIVA-5 structured interview against NICE NG87 criteria. Most adults across the UK, including London, complete the process and receive a written report within one to three weeks.

Consultant psychiatrist-led · NICE NG87 aligned · Available UK-wide, including London

Searching for an online ADHD test for adults in the UK usually means one of two things: you’re comparing private diagnosis routes to a long NHS wait, or you want to understand what an online ADHD test for adults in London, UK actually involves before you commit. This page walks through both – what happens during the assessment, how long it takes, what it costs, and what you’re entitled to once you have a result.

At Pondermind, every assessment is led by a consultant psychiatrist, follows NICE guidance, and is delivered entirely by video – so your postcode and your local NHS list length stop being the deciding factor.

Common reasons people seek assessment include:

At a Glance

If autism traits are also part of the picture, our Autism Assessment or combined ADHD & Autism Assessment may be a better starting point.

Format	Fully online via secure video call, available UK-wide
Assessment length	Around 2–3 hours of clinician time (often split across stages)
Diagnostic framework	NICE NG87, using the DIVA-5 structured clinical interview
Led by	Consultant psychiatrist
Report	Full written clinical report, shareable with your GP, employer, or education provider
Medication or prescribing	Not offered – this is a diagnostic service only
Coverage	England, including London, UK-wide

What Does an Online ADHD Assessment Actually Involve?

An online ADHD test for adults in the UK is a remote version of a full clinical assessment – not a screening quiz. You join a video call from home, work, or anywhere with a private space and stable internet, and the clinician runs the same structured process they would in a face-to-face appointment: the same interview framework, the same diagnostic thresholds, the same written outcome at the end.

This is worth spelling out because a lot of people land on a free online ADHD test or an NHS ADHD test online screener and assume it functions like a diagnosis. It doesn’t. A screening tool such as the ASRS-v1.1, commonly used by NHS services and charities, only flags whether a fuller assessment might be worth pursuing. It can’t confirm or rule out ADHD. That judgement requires a structured clinical assessment carried out by a qualified psychiatrist.

You may notice:

Difficulty sustaining attention during tasks or conversations
Losing track of time or deadlines
Starting multiple tasks but struggling to complete them
Feeling mentally overwhelmed by planning or organisation
Emotional impulsivity or frustration
A tendency to hyperfocus on specific interests while neglecting others
Restlessness, either physical or internal

ADHD can vary widely between individuals and may coexist with other neurodevelopmental or mental health conditions.

ADHD Test vs ADHD Assessment: What's the Difference?

An ADHD test and an ADHD assessment are not the same thing, and the difference matters if you want a result you can actually act on. An ADHD test, such as the ASRS-v1.1 screener used by many NHS services and charities, is a short self-report questionnaire. It can flag whether ADHD traits are present, but it cannot diagnose you. It’s a screening step, not an outcome.

An ADHD assessment is the full clinical process: a structured interview (DIVA-5), a developmental history, validated rating scales, and a formulation by a consultant psychiatrist against NICE NG87 criteria. Only an assessment can result in a formal diagnosis and a report you can share with your GP, employer, or education provider. If you’ve already taken an online ADHD test and scored highly, the next step is a full assessment, not a repeat test.

Who Typically Books an ADHD Assessment?

Adults usually reach out when long-standing difficulties – often present since childhood but only recently disruptive enough to act on – start affecting work, study, or relationships in a way that’s hard to ignore.

Reasons adults commonly seek an assessment:

Trouble concentrating, even on tasks they genuinely care about
Poor time management and organisation
A restless, internally “driven” feeling that doesn’t settle
Frequent forgetfulness
Impulsive decisions around money, communication, or commitments
Chronic procrastination or difficulty simply starting a task

Left unaddressed, these patterns tend to chip away at academic performance, career progress, relationships, and self-esteem – often quietly, for years, before someone decides to look into it properly.

What’s Included in the Assessment?

The assessment is built to meet recognised diagnostic standards, including NICE Guideline NG87 on ADHD.

Your assessment includes:

A full clinical interview using the DIVA-5 structured diagnostic tool
A developmental history covering childhood and school experiences
Validated ADHD rating scales and assessment questionnaires
Review of supporting information where relevant (school reports, GP records, informant feedback)
Differential diagnosis to identify or rule out overlapping conditions
A diagnostic formulation based on the complete clinical picture
A detailed written report with findings and recommendations

How Long Does an Online ADHD Assessment Take?

Expect around 2 to 3 hours of clinician time in total, usually split across a few stages rather than one long sitting:

Pre-assessment questionnaires, completed at home in your own time
Collateral (informant) history, where available and relevant
The clinical interview itself, with a consultant psychiatrist
Diagnostic evaluation and formulation

If external records – school reports, for example – need reviewing before a formulation can be finalised, that can add a little extra time.

Pricing

Transparent Pricing

Aged 18 and over

Adults

ADHD Assessment Cost

Only assessment and diagnosis by GMC registered consultant Psychiatrist

£495

4 SIMPLE STEPS

The ADHD Assessment Process, Step by Step

Enquire

Get in touch or complete a short referral form. We confirm suitability and outline next steps.

Pre-assessment questionnaires

You complete validated questionnaires at home, and where appropriate, we gather informant or collateral history to add context.

Clinical interview

You meet your consultant psychiatrist via secure video call for the structured DIVA-5 interview and diagnostic evaluation.

Report and outcome

You receive a full written clinical report with your diagnostic outcome and tailored recommendations – shareable with your GP, employer, or education provider, with your consent.

Your Assessment Report

Following your assessment, you will receive a comprehensive clinical report outlining the assessment process, findings, diagnosis (where appropriate) and recommendations.

Please note: Assessment reports are prepared independently by a GMC-registered Consultant Psychiatrist in accordance with recognised clinical standards. Acceptance of private assessment reports by NHS organisations, GPs, employers, educational institutions or other agencies is subject to their own policies.

Why Adults Choose Pondermind for an ADHD Assessment

Available Across London and the Rest of England

Because the entire assessment runs over secure video call, geography rarely gets in the way. We regularly support adults looking for an online ADHD test for adults in London, UK, alongside clients across other parts of England who’d otherwise be facing a long local wait. Wherever you’re based in the UK, a private space and a stable internet connection are all you need to access the same consultant-led process.

Key Takeaways

A private ADHD assessment is a full clinical process, not a quiz – typically 2–3 hours, following NICE NG87 guidance.
An online format carries the same clinical rigour as an in-person one, provided it’s delivered by a qualified clinician using structured tools like DIVA-5.
Private assessment is generally the quickest route to a diagnosis; NHS and Right to Choose are free but usually slower.
Insight Neurodevelopment provides diagnosis only, not medication or ongoing treatment, and says so upfront.
You decide who sees your report – your GP, your employer, an education provider, or no one at all.

Ready to Take the Next Step?

If the difficulties above sound familiar and you want clarity, an ADHD assessment can help you understand your cognitive profile and identify the right support. Get in touch to arrange an initial consultation, or complete a short referral form – our team will talk you through what comes next.

FAQ

Frequently Asked Questions

What is a private ADHD assessment?

A paid clinical evaluation, usually carried out by a psychiatrist or specialist clinician, that determines whether you meet diagnostic criteria for ADHD using structured tools such as the DIVA-5 interview.

Can I get an ADHD assessment online?

Yes. A fully online assessment delivered by secure video call meets the same clinical standard as an in-person one, provided it’s carried out by a qualified clinician using recognised diagnostic tools.

Is an online ADHD test the same as a diagnosis?

No. An online ADHD test or screener, such as the ASRS-v1.1, only indicates whether further assessment is worth pursuing. A diagnosis requires a full clinical assessment by a qualified clinician.

How long does an ADHD assessment take?

Around 2 to 3 hours of clinician time in total, usually split between pre-assessment questionnaires and the clinical interview itself.

How much does a private ADHD assessment cost in the UK?

Costs vary by provider, typically ranging from several hundred to over a thousand pounds depending on what’s included. Contact us directly for current fees.

What is DIVA-5?

DIVA-5 is a structured diagnostic interview built specifically to assess ADHD in adults, covering current symptoms and childhood history in line with recognised clinical guidelines.

What is NICE NG87?

NICE NG87 is the National Institute for Health and Care Excellence’s guideline on diagnosing and managing ADHD across children, young people, and adults.

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

Generally, no. Most private ADHD assessments can be booked directly, though your GP can still be involved once you have your report.

Will my assessment be shared with my GP?

Only with your consent. Your written report can be shared with your GP, employer, or education provider if you choose.

What’s the difference between NHS, Right to Choose, and private ADHD assessments?

NHS and Right to Choose are both free at the point of use but usually involve longer waits and require a GP referral. Private assessments typically skip the referral requirement and move faster, for a fee.

Do you prescribe ADHD medication?

No. We provide diagnostic assessment only. If you’re diagnosed, we’ll advise on next steps, including how to discuss treatment with your GP or an appropriate prescriber.

What happens if I’m not diagnosed with ADHD?

You’ll still receive a full written report explaining the clinical reasoning, along with guidance on other conditions or support worth exploring, where relevant.

What technology do I need for an online ADHD assessment?

A stable internet connection, a private space, and a device with a working camera and microphone – video capability is needed throughout most of the process.

Can ADHD and autism be assessed together?

Yes. Because the two conditions frequently co-occur, differential diagnosis is a standard part of the process, and combined ADHD and autism assessments are available.

How soon can I get an appointment?

Typically within days to a few weeks – considerably faster than most NHS waiting lists.

What happens during the clinical interview?

Your clinician asks structured questions about current symptoms, their impact on daily life, and your developmental history, usually alongside standardised questionnaires completed beforehand.

Is an informant or collateral history required?

Not always mandatory, but where available, input from someone who’s known you a long time – a parent or partner, for instance – can strengthen the accuracy of the assessment.

What does the written report include?

Your diagnostic outcome, the clinical reasoning behind it, and individual recommendations for support or next steps.

Can adults be diagnosed with ADHD for the first time later in life?

Yes. Many adults receive their first diagnosis in their 30s, 40s, or later, often after recognising lifelong patterns that were previously unexplained or put down to other causes.

Is my information kept confidential?

Yes. Your assessment information is handled confidentially and only shared with third parties, such as your GP or employer, with your explicit consent.

Ready for clarity?

Book your private, consultant-led ADHD assessment today – fully online, UK-wide, with a full written report you control.

GET IN TOUCH

Enquire Today

Not sure if you’re ready to book? Get in touch and our team will talk you through the process, pricing, and what to expect – no obligation.

Pondermind provides secure online ADHD and autism assessments via video consultation. We offer appointments remotely, so there is no physical clinic for patient visits. Online consultations by appointment only