Private OCD Assessment in the UK: 7 Simple Steps to Get Right
Quick answer: A private OCD assessment in the UK is a single appointment with a trained clinician who asks about your obsessions, your compulsions, what you avoid and how much of your day OCD takes. With us it costs £150, lasts about fifty minutes and ends with a treatment proposal. A therapist assessment tells you whether this looks like OCD, how severe it is and what to do next. It is not the same as a formal psychiatric diagnosis, and you do not need one of those to start treatment.
Booking an assessment is often the hardest step. Many people have spent years wondering whether their thoughts make them dangerous, odd or "just anxious". Then they have to say those thoughts out loud to a stranger. If that is where you are, this guide is for you.
We are an OCD-only practice, and most of our therapists have lived with OCD themselves. We run assessments every week, and we know what people fear before they walk in. Below we set out the seven steps of a private OCD assessment in the UK: what it is for, who can carry it out, what happens in the room, how to prepare, what it costs, how it fits with the NHS, and what comes after.
1. What a private OCD assessment in the UK is for
An assessment has one job: to work out what is going on, so that treatment starts in the right place.
That sounds obvious, but plenty of people skip it. They read a list of symptoms online, decide they have OCD (or decide they do not), and either start self-help or put off getting help for another year. A good assessment replaces guesswork with a clear picture.
By the end you should know:
Whether your difficulties look like OCD, or like something else, or both
How severe the OCD is at the moment
Which themes it latches on to (contamination, harm, relationships, sexual thoughts, religion, "just right" feelings and so on)
How the OCD affects your work, study, family and sleep
What treatment the assessor would suggest, and how long it is likely to take
The NHS is clear that "it's unlikely OCD will get better without proper treatment and support" on its OCD overview page. An assessment is the doorway to that treatment. It is not a test you can pass or fail.
2. Who can assess you, and who can diagnose you
This is the part that confuses most people searching for a private OCD assessment in the UK, so here it is in plain terms.
OCD Action, a national OCD charity, explains on its assessment page that assessments are usually carried out by psychologists, therapists or mental health nurses. For a formal diagnosis, a psychiatrist will usually carry out a longer, more detailed evaluation.
Priory's page on how to get an OCD diagnosis says a diagnosis is typically made by a qualified mental health professional such as a psychologist or psychiatrist, who checks your symptoms against established guidelines, usually the DSM-5 or ICD-11.
So there are three kinds of appointment you might book:
A therapist assessment. This is what we offer. A specialist OCD therapist screens for OCD, rates its severity, maps the themes, screens for other conditions and proposes treatment. It is aimed at getting you into the right therapy quickly.
A clinical psychologist assessment. Similar in purpose, sometimes longer, often with more questionnaires. We cover how to check a psychologist's background in our guide to finding an OCD psychologist in London.
A psychiatric assessment. Carried out by a medical doctor who specialises in mental health. A psychiatrist can give a formal diagnosis and can prescribe or advise on medication.
These are different services, not cheaper or dearer versions of the same thing. For comparison, Professor David Veale, a consultant psychiatrist in London, lists his initial assessment at £430 for 60 to 75 minutes, with a written summary and recommendations on therapy, medication or both. That is a medical consultation. Ours is a therapy assessment. Both have their place.
Here is the good news for most people: OCD Action says a formal psychiatric diagnosis is not needed to receive treatment. It can help in some situations, for example when asking for disability support at work, or if your GP does not know much about OCD. If neither of those applies to you, a specialist therapist assessment is usually enough to begin.
3. What happens in the room, step by step
People tell us that not knowing what will happen is half the dread. So here is what our assessment covers, in the order it tends to run. These are the same headings listed on our booking page.
Positive or negative screening for OCD. The therapist asks about intrusive thoughts, images or urges, and what you do to get rid of them or feel safe. The aim is to see whether the pattern of obsession and compulsion is there.
An indication of severity. How much time the thoughts and rituals take, how much distress they cause, how hard it is to resist them and how much they get in the way.
Primary and secondary sub-types. Most people have more than one theme. You might come in about contamination and leave realising that checking and mental review take up just as much of your day. We also look at how each theme affects your life and your treatment.
Screening for co-occurring conditions. OCD often travels with depression, other anxiety problems, eating difficulties or autism. Missing these can stall treatment later.
The impact of your environment or carers. Who lives with you, who gets drawn into the rituals, who gives reassurance, and how home life has changed to fit around the OCD.
A treatment proposal. What we would suggest, why, and roughly how long it might take.
Next steps guidance. What to do now, including things you can start on before treatment begins.
Time for your questions. Nothing is off limits.
OCD Action lists similar areas on its own page: your symptoms, the effect on your mental health (anxiety, mood, tiredness, shame) and your daily life. It also says the assessor should ask about how much time and energy your rituals and thoughts take up. If an assessor never asks about time, avoidance or reassurance, make a note of it.
Some clinicians also use standard questionnaires to measure symptoms. Priory mentions questionnaires or screening tools as part of its process. These do not replace the conversation. They give a baseline so you can see change over the weeks ahead.
4. The questions people dread, and why you can answer them
Most people who come for a private OCD assessment in the UK are not worried about the price or the paperwork. They are worried about one thing: saying the thought.
It might be a thought about harming a child. A sexual image that feels repulsive. A fear that you do not love your partner. A blasphemous phrase that will not leave you alone. People sit in our waiting room convinced that once they say it, the therapist will look at them differently, or call someone.
OCD Action puts it gently: "It is common for people with OCD and related conditions to find it difficult to talk about their symptoms." That is true, and it is also true that specialist OCD therapists have heard every one of these themes many times. Harm thoughts, sexual thoughts, religious fears and relationship doubts are some of the most common things we assess.
A few things that help:
You can start small. Say "I have a thought about hurting someone and it horrifies me" before you give the detail. The therapist will guide you from there.
Write it down. Some people hand over a note. That is fine.
Notice the horror. The fact that the thought disgusts you, and that you work so hard to stop it, is part of what the assessor is listening for.
Do not edit for the assessor. If you leave out the worst theme, the treatment plan will leave it out too.
Our founder India Haylor wrote about the fear underneath all of this in Is it OCD, or am I a bad person?. Many clients read it the night before their appointment.
One more thing. An assessor may ask whether you have had thoughts of suicide or self-harm. OCD Action notes that professionals may ask this to understand your overall support needs. It is a routine question, and answering it truthfully gets you the right care.
5. How to prepare in the week before
You do not need to prepare anything. Many people arrive with nothing and the assessment goes fine. But if it settles you to plan, here is what helps most.
Keep a short log for a few days. Note when the OCD shows up, what you did about it and how long it took. Even three or four days gives a much truer picture than memory, because OCD tends to shrink in your mind once you are sitting somewhere calm.
List the rituals you might forget. Mental compulsions are easy to leave out because they are invisible. Think about replaying conversations, checking your feelings, praying in a set way, counting, reviewing memories, searching online, comparing yourself to others and asking people if things are all right.
List what you avoid. Avoidance often tells us more than the rituals do. The knife drawer you never open. The friend's baby you have not held. The route you no longer drive. The film you will not watch.
Note any past treatment. What you tried, for how long and what happened. If you had CBT before and it did not help, say so. It is one of the most common things we hear, and it often turns out that the therapy did not include proper exposure work. Our article on red flags in OCD therapy explains what to look for.
Bring your questions. Write them down so the anxiety in the room does not wipe them.
Try not to rehearse for certainty. Some people spend the week before an assessment looking for proof that they do or do not have OCD. That search is often a compulsion in its own right. Go in not knowing. That is what the appointment is for.
6. What it costs, how long it takes and how long you wait
Prices vary across the UK, so compare like with like.
Our assessment costs £150 and lasts about fifty minutes. It is carried out by one of our senior therapists, including our founder India Haylor and senior therapist Steve, and ends with a treatment proposal and next steps.
Psychiatric assessments cost more because they are medical consultations. The £430 example above, from a London consultant psychiatrist, includes a written summary you can share with your GP or therapist.
Waiting times. At the time of writing, our booking page says we have a waitlist of around eight weeks, and it can be longer for our senior therapists. Priory notes that NHS routes can have long waiting times, and that assessment and treatment may take several weeks or months. Private routes are usually quicker, but not always instant.
When you compare prices, ask each provider four things:
How long is the appointment?
Who carries it out, and how much of their caseload is OCD?
Will I get a treatment plan at the end, or only a "yes, it is OCD"?
Is the assessment fee taken off later sessions, or is it separate?
A cheap assessment that ends with "you have anxiety, here are some breathing exercises" can cost you far more in the long run than one that maps the OCD properly the first time.
7. Private or NHS: how the two routes fit together
A private OCD assessment in the UK is not a rejection of the NHS. Many of our clients use both, and that is a sensible thing to do.
The NHS OCD overview page mentioned above gives two routes in. You can refer yourself directly to an NHS talking therapies service, or you can see a GP, who will ask about your symptoms and can refer you on. OCD Action says that if OCD is found at an NHS assessment, you should be put on a waiting list for CBT with ERP, though it may be listed under a general heading for psychological treatment.
The NHS treatment page for OCD says therapy is usually CBT with exposure and response prevention, and that people with fairly mild OCD usually need about 8 to 20 sessions with exercises at home between them. People with more severe OCD may need a longer course of therapy combined with medicine. For severe, long-lasting OCD that has not improved with standard treatment, there are national specialist OCD services.
So how do people combine the two?
Some go private for the assessment so they understand what they are dealing with, then wait for NHS treatment with a clearer plan in hand.
Some stay on the NHS list and start private treatment now, then decide later whether to keep both.
Some see their GP about medication and a specialist therapist for ERP. The NHS says SSRIs can take up to 12 weeks to show an effect, so starting the conversation with your GP early makes sense if medication is on the table.
There is no wrong order here. What tends to go badly is waiting with no plan at all.
8. What happens after the assessment
The assessment ends with a treatment proposal. There is no pressure to book on the spot. You can take it away, think about it and come back when you are ready.
For most people, the proposal will be one of these:
Weekly sessions of CBT with ERP. You meet your therapist regularly, build a ladder of exposures together and practise between sessions. If you want to understand why OCD needs a specific form of CBT, read CBT for OCD: 8 ways it differs from general CBT.
An intensive programme. For some people, especially when OCD has taken over daily life, a short block of daily treatment suits better. Our one-to-one intensive runs over 5 to 15 days depending on severity, with follow-up afterwards. We explain what the days look like in 5 day intensive OCD treatment in the UK.
A referral elsewhere. If the main difficulty turns out not to be OCD, or if you need a psychiatrist's input first, a good assessor will say so and point you to the right place. An assessment that only ever recommends its own services is worth questioning.
If your OCD involves the people you live with, the proposal may include sessions for them too. Family members often join rituals or give reassurance because they love you and want the distress to stop. That reassurance tends to keep the OCD going, as India explains in Don't reassure me!. Our support for family and carers page covers what we offer them.
You can read more about how we approach OCD, and the conditions we see alongside it, on our people with OCD page.
9. If you are struggling right now
An assessment is a planned appointment. It is not the right place to wait if you feel unsafe today.
The NHS page on where to get urgent help for mental health says you can get help from 111 online or call 111 and select the mental health option. If someone's life is at risk, call 999 or go to A&E. You can call Samaritans free on 116 123 at any time. Under 19s can call Childline on 0800 1111.
Intrusive thoughts about harm are very common in OCD and are not the same as wanting to act on them. But if you are having thoughts of ending your life, please tell someone now rather than waiting for your appointment.
Frequently asked questions about a private OCD assessment in the UK
Do I need a formal diagnosis before I can start OCD treatment?
No. OCD Action says a formal psychiatric diagnosis is not required to receive treatment. A specialist therapist assessment is usually enough to start CBT with ERP. A psychiatrist's diagnosis can help if you need support at work or if you are considering medication.
Is a therapist assessment the same as a psychiatric assessment?
No. A therapist assessment screens for OCD, rates severity and proposes therapy. A psychiatric assessment is a medical consultation with a doctor who can make a formal diagnosis and advise on medication. They cost different amounts because they are different services.
What if the assessment says it is not OCD?
Then you have learned something useful. A good assessor will explain what they think is going on instead and suggest where to get help for it. Sometimes OCD sits alongside another condition, and the assessment will tell you which to treat first.
Can a family member come to the assessment?
Ask when you book. Part of our assessment looks at how the OCD affects the people around you, so a partner or parent can sometimes add useful detail. Many people prefer to speak alone first, and that is fine too.
Will the therapist be shocked by my thoughts?
No. Specialist OCD therapists hear harm, sexual, religious and relationship thoughts all the time. Most of our team have lived with OCD themselves. The more openly you can describe the thoughts, the better the treatment plan will fit.
Booking your assessment
If you have read this far, you probably already suspect what is going on. A private OCD assessment in the UK will not fix the OCD in one appointment, and no honest provider will promise that. What it will do is give you a clear map, a severity rating and a plan, from someone who knows OCD from the inside.
You can see our therapists, their backgrounds and their fees, and book an assessment, on our booking page. If you would like to know more about our founder first, read about India Haylor.
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