OCD Psychologist in London: 7 Real Checks to Find the Best Fit
Quick answer: If you are searching for an OCD psychologist in London, what you need is someone trained to deliver CBT with exposure and response prevention (ERP) for OCD, and who is on a proper register. That person might be a clinical or counselling psychologist (HCPC registered), an accredited CBT therapist (on the BABCP CBT Register), or a counsellor with specialist OCD training. A psychiatrist is a medical doctor (GMC registered) who can diagnose and prescribe, but usually does not deliver weekly ERP. The word psychologist on its own is not a protected title in the UK, so check the register before you book, and ask how much OCD they treat.
Most people who type psychologist into a search bar are not asking for a particular profession. They are asking for someone who knows what they are doing with OCD. That is a fair thing to want. It is also where a lot of people lose months, because job titles in UK mental health are confusing and some of them protect you less than you would think.
This guide sets out seven checks. They work whether you see someone privately in London, online, or through the NHS. We are an OCD-only practice, and we will be upfront about where our own team fits, because most of us are CBT therapists and counsellors, not psychologists.
Do you need an OCD psychologist in London, or a different professional?
Start with the job you need done, not the title. For most people with OCD, the job is talking therapy that helps them face what they fear without doing the compulsion. The NHS page on OCD treatment names CBT with ERP as the talking therapy for OCD, and medicine (usually an SSRI antidepressant) as the other main option.
So the questions are simple:
Do you need someone to deliver ERP with you, week by week? That can be a psychologist, an accredited CBT therapist, or a trained OCD specialist.
Do you need medication started, changed or reviewed? That is a doctor, usually your GP or a psychiatrist.
Do you need a formal diagnosis for work, school or insurance? Ask whoever you see what their assessment covers and whether the paperwork will be accepted for your purpose.
A lot of people need the first one and assume they need a psychologist to get it. Sometimes they do. Often the best fit for an OCD psychologist in London search is a specialist who has a different title but treats OCD every day.
We have written more about what OCD therapy involves in our guide to OCD therapy, if you want the detail on ERP before choosing who delivers it.
Check 1: Know what the word psychologist does and does not promise
In the UK, the Health and Care Professions Council (HCPC) regulates practitioner psychologists. The HCPC list of regulated professions sets out the protected titles. These include clinical psychologist, counselling psychologist, health psychologist, forensic psychologist, educational psychologist, occupational psychologist, and sport and exercise psychologist, plus practitioner psychologist and registered psychologist.
The word psychologist on its own is not on that list. That means someone can call themselves a psychologist without being on the HCPC register. Many people who use the plain title are well qualified. Some are not. The title alone does not tell you which.
You may also see Chartered Psychologist or CPsychol. That is a membership grade of the British Psychological Society. It is a separate thing from HCPC registration, and one does not stand in for the other.
What this means for you:
If someone says they are a clinical or counselling psychologist, they should be on the HCPC register. You can check.
If they say psychologist with no adjective in front, ask what their registration is.
If they say they have a psychology degree, that is not the same as being trained to treat OCD.
None of this is about being suspicious of people. It is about not handing over money and hope on the strength of a word.
Check 2: Match the professional to what they can do
Here is the plain version of who does what for OCD in the UK.
Clinical or counselling psychologist. Doctoral-level training in psychology, registered with the HCPC. Can assess, formulate and deliver psychological therapy, including CBT with ERP if they are trained in it. Does not usually prescribe. Some specialise in OCD. Many do not, and treat a wide mix of problems.
Psychiatrist. A medical doctor who has specialised in mental health, registered with the General Medical Council (GMC). Can diagnose, prescribe and manage medication, and is the right person if you need a medication review or have complex needs alongside OCD. Most psychiatrists do not deliver weekly ERP sessions themselves.
CBT therapist. Trained in cognitive behavioural therapy. The recognised standard is accreditation with the British Association for Behavioural and Cognitive Psychotherapies (BABCP), listed on the CBT Register UK. A good CBT therapist with OCD experience can deliver ERP. A general CBT therapist may not know how to do it well for OCD, which is a point we cover in how CBT for OCD differs from general CBT.
Counsellor or psychotherapist. A broad group. Membership bodies include the BACP and the NCPS. Standard counselling, where you talk through feelings and get support, is not a treatment for OCD on its own and can slide into reassurance. A counsellor with specialist OCD and ERP training is a different case, and should be able to show you that training.
GP. Can make a first diagnosis, prescribe an SSRI, and refer you on. In England you can also refer yourself directly to an NHS talking therapies service, according to the NHS treatment page linked above.
No single title wins here. A title tells you about general training, and you still need to find out about OCD training.
Check 3: Look up the register, not the website
Every website says the person is experienced and qualified. A register tells you whether that is checked by someone else.
OCD-UK's guidance on finding a private therapist recommends looking for someone who meets at least one of these:
BABCP accredited (for CBT therapists)
HCPC registered (for clinical psychologists)
GMC registered (for psychiatrists)
OCD-UK says BABCP accreditation is the minimum benchmark it uses when seeking private CBT therapists. It also warns about two easy mix-ups. BABCP (the CBT body) is not the same as BACP (a counselling body). And being a member of the BABCP is not the same as being an accredited member.
Where to check:
The HCPC register for clinical, counselling and other practitioner psychologists. You can search by name or registration number.
The CBT Register UK, run by the BABCP, for accredited CBT therapists. You can search by name and filter by county.
The GMC register for psychiatrists and other doctors.
It takes two minutes. If the name does not come up, ask the person why before you book. There may be a good reason, such as a different register or a recent change of name, but you deserve a clear answer.
We will be honest here. Our own therapists are members of bodies such as the NCPS, BACP and HCPC, and they have completed or are completing our own three-year OCD Practitioner qualification. They are not, in the main, BABCP accredited psychologists. You can read the full detail on each therapist's training on our booking page and judge for yourself.
Check 4: Ask whether they treat OCD with ERP, every week
This is the check that matters most, and a title will not answer it.
Talking about why you have intrusive thoughts, or learning to feel calmer about them in the room, will not shift OCD on its own. Treatment means doing exposures: facing the trigger, letting the anxiety rise, and not doing the compulsion. The NHS describes it as facing your fears and having obsessive thoughts without neutralising them with compulsive behaviours.
The OCD-UK page suggests asking any therapist whether they:
Have treated OCD before
Set a treatment plan and goals with you
Use graded exposure
Set practical homework and follow it up
Provide full CBT, with both the thinking side and the behaviour side
Put these to a psychologist exactly as you would to anyone else. Some clinical psychologists are excellent at ERP. Others were trained in it years ago and now mostly do other kinds of therapy. You will not know unless you ask.
Some follow-up questions that tend to get honest answers:
What would an exposure look like for my type of OCD?
How do you handle it if I ask you for reassurance in a session?
How many people with OCD have you treated in the last year?
If the answers stay vague, or you hear a lot about exploring the roots of the thoughts and nothing about exposure, take note. We list more warning signs in red flags in OCD therapy.
Check 5: Ask how much of their week is OCD
A psychologist in London may see anxiety, depression, trauma, eating problems and relationship issues in a single week. That breadth is useful in some cases. With OCD it can be a problem, because OCD has habits that catch out generalists.
Three common ones:
Reassurance looks like support. A kind therapist who tells you that you are not a bad person, or that your partner does love you, may be feeding the compulsion. We explain why in Don't reassure me!
Mental compulsions are missed. Reviewing, checking memories, praying, counting and analysing in your head are all compulsions. A therapist who only looks for hand-washing or door-checking may not see them.
Taboo themes get mishandled. Harm, sexual and religious intrusive thoughts can frighten someone who does not work with OCD often. You need a person who has heard it many times and does not flinch.
So ask: roughly what share of your clients have OCD? A specialist will be able to answer straight away. Our view, and the reason the practice exists, is that OCD deserves specialists, not generalists. That is true whatever title the specialist holds.
Check 6: Ask what happens between sessions, and how long it should take
ERP happens mostly outside the therapy room. One hour a week will not shift OCD if the other 167 hours are full of compulsions. Ask how homework is set, how it is checked, and whether you can contact them between sessions if you get stuck.
On length, the NHS says people with fairly mild OCD usually need about 8 to 20 sessions with a therapist, with exercises done at home between sessions. OCD-UK gives a benchmark of about 10 to 20 hours, at one hour a week, and suggests progress should be assessed by around session 10.
Use that as a yardstick. If someone cannot tell you how they will measure progress, or suggests open-ended weekly sessions with no review point, ask why. More severe or long-standing OCD can take longer, and some people do better with a more concentrated format. Our 5 day intensive OCD treatment guide explains how a block of daily ERP compares with weekly sessions.
On cost, OCD-UK makes a fair point: prices vary, but so do OCD skills, and the cheapest option may not be the best one. The reverse is also true. A high fee and a doctorate do not guarantee OCD skill. Ask the questions in Check 4 first, then compare prices.
Check 7: Be clear about medication and who handles it
Psychologists, CBT therapists and counsellors do not normally prescribe. If you are taking, or thinking about, medication for OCD, someone else needs to be involved: your GP or a psychiatrist.
The NHS says SSRIs are the main medicine used for OCD, that you may need to take one for up to 12 weeks before you notice any benefit, and that treatment usually lasts at least a year. That is a long time to go without anyone checking how it is going.
Questions worth asking your therapist:
Will you liaise with my GP or psychiatrist if I want you to?
What happens if I want to change or stop my medication during therapy?
Will you tell me if you think a medication review would help?
A good therapist will not give you medication advice, and will not dismiss medication either. They will point you back to the person who prescribes. If you want our wider view on medication, Suck it and see medication sets it out, but any decision about your own tablets belongs with your prescriber.
If you are seeing a psychiatrist privately, ask whether they will deliver therapy or refer you to someone who does. Many will refer on, which is fine, as long as the person they refer you to passes Checks 3 to 6.
Where OCD Excellence fits
We get a lot of visitors who searched for an OCD psychologist in London. So here is a straight answer about who we are.
We are a 100% OCD-focused practice. We have been working in OCD since 2003, and our founder, India Haylor, developed the first intensive OCD treatment in the UK. Our team includes CBT therapists, integrative counsellors, an art psychotherapist who is HCPC registered, and a trainee clinical psychologist completing a doctorate. Our senior researcher holds a PhD from Imperial College London and keeps the team up to date with OCD research. Nearly every one of our therapists has lived experience of OCD, either their own or as a partner or carer.
What we are not is a clinic of HCPC registered clinical psychologists. If that specific registration matters to you, for example for an insurer or a legal report, we would rather you knew now.
What we offer instead:
Treatment that is ERP-based and built only around OCD
Therapists who have completed or are completing our three-year OCD Practitioner qualification
Required membership of a professional or regulatory body, insurance, supervision and at least 20 hours of professional development a year
An internal register of trained therapists, which exists because we have seen too many people treated by therapists who said they knew OCD and did not
Sessions in Central London or online, from £60 to £150 depending on the therapist's seniority, and an intensive one-to-one option
Our assessment covers OCD screening, how severe it is, your main and secondary themes, screening for other conditions, the effect on your home life and carers, and a treatment proposal. You can see more about OCD and how we help people with it before you book.
If you are a parent or partner looking on someone else's behalf, our support for family and carers page is a better starting point.
If things feel urgent right now
Choosing a therapist takes time, and waiting lists are common in London and across the NHS. If you are struggling to keep yourself safe while you wait, do not wait for an appointment.
The NHS advises getting advice from 111 or asking for an urgent GP appointment if you need urgent help for your mental health. Call 999 or go to A&E if someone's life is at risk. You can also call Samaritans on 116 123 to talk to a trained volunteer.
Intrusive thoughts about harm are very common in OCD and are not the same as wanting to act. But if you feel unsafe for any reason, use those numbers first and sort out therapy after.
Frequently asked questions
Is a psychologist better than a therapist for OCD?
Not automatically. A clinical psychologist has broad, doctoral-level training, which is useful if you have several conditions at once. For OCD, what predicts good treatment is training and regular experience in ERP. An accredited CBT therapist or OCD specialist who treats OCD every day can be a better fit than a psychologist who sees it now and then. Ask the questions in Check 4 of anyone you consider.
Can a psychologist diagnose OCD?
A clinical or counselling psychologist can assess you and give an opinion on whether OCD fits what you describe. Psychiatrists and GPs can also diagnose. If you need a diagnosis for a particular purpose, such as an employer, a university or an insurer, check in advance which professional they will accept. Our assessments include OCD screening and a severity indication, but we do not tell anyone they have OCD from a blog post, and you should be wary of anyone who does.
Do I need a GP referral to see an OCD psychologist in London?
Not for most private psychologists or therapists, who take self-referrals. Some private psychiatrists and insurers want a GP letter, so check first. On the NHS, the NHS treatment page says you can refer yourself directly to an NHS talking therapies service without going through your GP.
Should I see a psychiatrist instead of an OCD psychologist?
See a psychiatrist if you need medication started or reviewed, if you have other serious mental health problems alongside OCD, or if your OCD is severe and has not improved with treatment. Most people with OCD will also need ERP from a therapist, so a psychiatrist is often an addition, not a replacement.
How do I check a psychologist is registered?
Search their name on the HCPC register. If they say they are a clinical or counselling psychologist, they should appear there. For CBT therapists, use the CBT Register UK. For psychiatrists, use the GMC register. If you cannot find them, ask them directly.
The next step
You do not need to become an expert in UK job titles to find good OCD treatment. You need to check a register, ask about ERP, and ask how much of the person's work is OCD. Whoever passes those checks is worth a first appointment, whatever their title.
If you would like to talk to a specialist OCD therapist in London or online, you can book an assessment with our team. We will tell you plainly whether we think we are the right fit, and if we are not, we will say so.
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