MAPP is founded by Dr Jason Crabtree (Consultant Clinical Psychologist) and Dr Catherine Cheung (Principal Clinical Psychologist) in the Harley Street area in Marylebone, London. We specialise in bespoke autism assessments and tailored psychological therapies for autistic and neurodiverse individuals with a range of abilities and across the lifespan.

Mapping Unique Profiles

Understanding your unique set of strengths and needs using expert knowledge and extensive experiences.

Compassionate Support

Empathically supporting you in navigating your journey and equipping you with evidence-based information and effective skills to cope with life's challenges.


Empowering Neurodiversity

Empowering you to bring the best out of your autistic or neurodivergence traits and enabling you to achieve your goals and thrive in life.

We’re Now Open!

Our services

Autism Assessment

Bespoke autism assessments using evidence-based, gold-standard measures to understand your presentation and needs.

Psychological Therapy

Person-centred, individually-tailored and holistic psychological support using integrative, evidence-based therapy models.

A photo of notebooks and a computer

Consultation & Advice

One-off or short-term consultation targeting specific challenges and issues. Identifying clear plans and solutions. Providing expert advice. Suitable for autistic individuals, their families and those supporting a person on the spectrum.

Why choose MAPP for your private autism assessment?

Our Ethos

We believe people are more than diagnostic labels. We work holistically and collaboratively using our expertise in autism and neurodiversity, as well as in the psychological impact of people's life experiences. We hope our assessments provide clarity and directions for moving forward in life. Ultimately, we want to support people in finding compassionate and meaningful ways of understanding themselves.

Stay in touch with us

Are you looking for a bespoke top-quality autism assessment or specialist psychological therapy?

Would you like to receive expert information about autism and neurodiversity?

Leave us your name, contact details and query, and we will get back to you within 1 business day. 

Marylebone Autism Psychology Practice (MAPP) 2022

85 Wimpole Street, Marylebone, W1G 9RJ