Professor Peter Langdon completed his undergraduate degree in psychology at Memorial University of Newfoundland.  He was awarded a Lord Rothermere Fellowship and qualified as a clinical psychologist in 2000 from the Institute of Psychiatry, King’s College, London.  He completed his PhD at the Tizard Centre, University of Kent as an NIHR Research Fellow.  He then completed an NIHR funded postdoctoral fellowship.  He has worked within secure mental healthcare services for offenders with intellectual and developmental disabilities for twenty years.  His research interests fall broadly within the area of developmental psychology and include the adaptation and evaluation of psychological therapies for people with intellectual and developmental disabilities.  He is a non-medical approved clinician as defined with the Mental Health Act.  He is registered as both a clinical and forensic psychologist, and is Honorary Associate Director of Research for Worcestershire Health and Care NHS Trust. 


Peter is a Professor within the Centre for Educational Development, Appraisal and Research at the University of Warwick.  He has held in excess of £6 million in competitive grant and fellowship income.  These projects include a randomised control trial of group cognitive behavioural therapy for people with Asperger Syndrome and high functioning autism who also have problems with anxiety (PAsSA Trial), and more recently, and together with colleagues, an HTA funded randomised control trial of EMDR for people with intellectual disabilities (Trauma-AID), and an HTA funded randomised control trial of sertraline for the treatment of anxiety disorders in autistic adults (STRATA), as well as an NIHR funded study examing hospital carepathways for adults with autism detained in hospital (mATCH Study).

Recent Grants

National Institute for Health Research - Health Technology Assessment, 2019 to 2021- A multicentre double-blind placebo-controlled randomised trial of SerTRaline for AnxieTy in adults with Autism (STRATA) Chief Investigator: Dr Dheeraj Rai. Co-Applicant: Professor Peter Langdon. £1,669,262.68 (+ AUD $557,029.40 by NHMRC Australia to Leonard H, Starkstein S & Glasson E for Perth centre)

National Institute for Health Research - Health Technology Assessment, 2019-2022 - Eye movement desensitisation and reprocessing for symptoms of post-traumatic stress disorder in adults with intellectual disabilities (Trauma-AID). £1,258,097.68. Chief Investigator: Professor Paul Willner. Co-Applicant and Deputy Chief Investigator: Professor Peter Langdon 

National Institute for Health Research - Research for Patient Benefit, 2019-2022 - Making positive moves: What support do people with Learning Disabilities need to remain living in the community after moving under the Transforming Care Programme. A qualitative longitudinal study. Chief Investigator: Dr Louisa Roades.  Co-Applicant: Professor Peter Langdon.  £350,000 

Nuffield Foundation - 2018 to 2021- Development of an assent-based process for the inclusion of adults with impairments of capacity and/or communication in ethically sound research.  Chief Investigator:  Dr Karen Bunning. Co-Applicant: Professor Peter Langdon.  £378,204

National Institute for Health Research - Health Service and Delivery Research, 2017 to 2020 - Clinical and cost effectiveness of intensive support teams for adults with intellectual disabilities and challenging behaviour. Chief Investigator: Professor Angela Hassiotis. Co-applicant: Professor Peter Langdon. £763,483.97

Royal College of Psychiatrists and Health Education England 2016 - A systematic review of initiatives to reduce or close inpatient services for people with intellectual disabilities. £15,000

National Institute for Health Research - Research for Patient Benefit, 2015-2018. People with autism detained within hospitals: defining the population, understanding aetiology, and improving care pathways. £350,000.00

Academic Background

Educational and Professional Qualifications 

  • BSc (Hons) (Memorial)
  • DClinPsy (London)
  • PhD (Kent)
  • AFBPsS 
  • CPsychol

Current Address

Centre for Educational Development, Appraisal and Research, New Education Building, Westwood Campus, University of Warwick, Coventry CV4 8UW  email:

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