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Constantinos Leftheriotis CBT Therapist

About Me

I'm Constantinos — Costa for short. I'm a BACP Accredited CBT Psychotherapist based in Edinburgh, and I work with individuals and couples who are going through some of the harder parts of life.

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I came to therapy the same way many of my clients do — not because everything had fallen apart, but because something wasn't quite right and I couldn't work out why. Therapy changed that for me. It helped me understand myself better, worry less about what others thought, and live more freely. That experience is a big part of why I do this work — and why I take it seriously.

In our sessions, you'll find a space that's warm, confidential, and free from judgement. I use CBT as my foundation because it's practical and evidence-based — it gives us real tools to work with. Where it's helpful, I draw on other approaches too, including Attachment Theory and IFS, always shaped around what you actually need rather than a fixed plan.

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I work with adults and couples, online and in person in Edinburgh, in English and Greek. Sessions are available seven days a week, including evenings.

My Qualifications

Being BACP Accredited means I've met the British Association for Counselling and Psychotherapy's rigorous standards for training, experience, and ongoing professional development — it's one of the most respected marks of quality in the profession.

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  • BSc Psychology, First Class Honours — University of East London

  • Diploma in CBT and Groupwork — Centre of Therapy & Counselling Studies

  • Certificate in Counselling Skills — Centre of Therapy & Counselling Studies

  • COSRT Level 5 Certificate in Couple/Relationship Therapy — The Grove

  • Advanced Certificate in Clinical Supervision — Counselling Tutor

  • Certificate in Online and Telephone Counselling — Counselling Tutor

  • Trauma-Informed Practitioner

 

I engage in regular continuing professional development to stay current with therapeutic research and practice.

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My Qualifications

Memberships

  • BACP - British Association for Counselling and Psychotherapy - 406013

  • BPS - British Psychological Society – 422458​

  • PVG - Protecting Vulnerable Groups scheme - Registered member

  • ICO - Information Commissioner's Office - ZB373046

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Memberships
Expertise

My approach

I don't believe in a one-size-fits-all model. CBT gives us a solid, evidence-based starting point — practical tools for understanding how thoughts, feelings and behaviours connect. From there, I draw on whatever else is most useful for you, whether that's exploring relationship patterns through Attachment Theory, working with different parts of your experience through IFS, or simply going at a pace that feels right.

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Most people find that having a space where they can be completely honest — without worrying about the reaction — is itself something they haven't had before. That's what I try to offer.

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