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ARB Professional Criteria: What Assessors Are Looking For

A breakdown of all 10 ARB Professional Criteria for Part III with guidance on evidence and competencies expected in the professional interview and written submissions.

25 February 2026Editorial TeamSource: ARB / RIBA

The ARB and RIBA jointly prescribe ten Professional Criteria (PCs) that all Part III candidates must satisfy.

PC1 — Professionalism: Demonstrate competence and integrity; understand ARB and RIBA codes; navigate ethical dilemmas.

PC2 — Clients, Users, and Delivery of Services: Establish, manage, and deliver services; demonstrate duty of care and client briefing experience.

PC3 — Legal Framework and Processes: Experience of planning applications, building control submissions; understanding of CDM and BSA roles.

PC4 — Practice and Management: Office management, fee structures, resource planning, and quality assurance systems.

PC5 — Building Procurement: Knowledge of JCT/NEC contracts; experience of procurement routes; contract administration.

PC6 — Contract Administration: Experience issuing instructions, certificates, and reports; chairing site meetings; managing practical completion.

PC7 — Management of Self and Others: Managing relationships with contractors, consultants, and clients; personal development planning.

PC8 — Design and Technical Competence: Design decision-making; understanding of building systems, structure, and envelope.

PC9 — Communication: Examples of presentations, reports, specifications, and professional correspondence.

PC10 — Data, Technology, and Innovation: BIM competence; digital information management; awareness of AI and emerging tools.