David Callin

David Callin

David Callin

Director | Architect | Expert Witness

– BA (Hons) Architecture & Planning
– PG Dip Architecture
– PG Dip Management, Practice & Law
– Chartered Member of the RIBA

David is a practicing RIBA Chartered Architect working in the UK. He joined Cowan Architects in 2006 and during his time with the practice has gained considerable experience in designing inclusive and accessible environments. With and overlay sustainability and conservation, he has a broad experience across many sectors including home-owner private clients, care homes and nursing homes, healthcare, developer residential, social housing, commercial, leisure and master-planning with project values ranging from £50k to £15m.

Projects have included:

  • Facilities for high dependency patients and residents, including long-term hospital accommodation for adults with severe brain injury;
  • Long-term residential accommodation for children, young adults, adults and elderly persons with learning disabilities and mental health disabilities;
  • Rehabilitation and ‘stepping-stone’ facilities for young adults with learning disabilities;
  • Rehabilitation and ‘stepping-stone’ facilities for adults with severe brain injuries; and
  • Numerous adaptations for individual clients to adapt their homes to meet their specific needs.

David’s role has included advising on all aspects of disability design with projects ranging from working with individuals in their own homes to meet their specific needs to designing hospital wards, care homes and improving accessibility in commercial and educational settings. This has allowed him to become proficient in the provision of environments that are compliant to DDA (Disability Discrimination Act) and Equality Act standards and to gain a thorough knowledge of accessible design, including healthcare design guidance documentation from the Department of Health’s Healthcare Building Notes (HBN) and Healthcare Technical Memoranda (HTM).

During his time with practice he has worked on, and been responsible for, the design and delivery of numerous homes for individual clients with specific needs, working closing with Court of Protection teams, Occupational Therapists, Care Managers and the client’s family to create fully accessible homes to meet the specific needs of the client and to suit varying degrees of disability.

As a chartered member of the Royal Institute of British Architects, David practises in accordance with the code of professional conduct and maintains his requirement for continuing professional development through attendance of seminars and conferences worldwide with a particular focus on accessible design and best architectural practice.


David’s architectural experience has allowed him to gain expertise in the provision of accessible accommodation for people with cognitive, behavioural, physical, and visual impairments. This experience has been gained through considerable research into the latest thoughts and theories on care as well the practical design and delivery of projects both in the public realm and in private homes.

David accepts expert witness instructions for accommodation needs in medical negligence and personal injury claims.

He assesses the suitability of the current domestic situation of claimants reporting his recommendations for their future accommodation needs. He has gained particular expertise working with people who present with, inter alia:

  • Severely disabled adults and children, in particular those with cerebral palsy
  • Spinal injuries including paraplegia and quadriplegia
  • Road traffic accidents
  • Hypoxic brain injury
  • Limb amputations

David undertakes the preparation of accommodation reports on behalf of both Claimant and Defendant, reporting on cases within the United Kingdom. He currently undertakes reports on a ratio of approximately 50% Claimant and 50% Defendant.

David also undertakes Property Searches and prepares Suitability Reports to assist clients, their families and/or Court appointed Deputies to find suitable and appropriate properties.