Last edited 24 Mar 2026

CIAT principal designer

Contents

[edit] Introduction

The role of Principal Designer (PD) has become a central feature of the UK construction regulatory landscape following the Grenfell Tower fire and subsequent reforms to building safety legislation. It places clear responsibility on a named, competent professional to coordinate design work and ensure compliance with building regulations.

Clients are required to appoint a Principal Designer for most construction projects, including both higher-risk buildings (HRBs) and non-higher-risk buildings.

The Principal Designer is responsible for overseeing and coordinating the design phase of a project. This includes ensuring that all design work complies with relevant regulations and that the building, as designed, will meet statutory requirements.

The Principal Designer plays a crucial role in ensuring the safe and effective delivery of construction projects under the Building Safety Act. By prioritising health and safety in the design process, coordinating design activities, and fostering collaboration among project stakeholders, the Principal Designer helps to minimise risks, enhance project outcomes, and contribute to the overall safety and quality .

The Chartered Institute of Architectural Technologists (CIAT) has established a dedicated Principal Designer Register to formalise and demonstrate competence in this role.

[edit] CIAT Principal Designer Register

To support professionals in demonstrating competence, CIAT launched its Principal Designer Register in May 2024. The Register is open to Chartered Architectural Technologists (MCIAT or FCIAT) who can demonstrate the required skills, knowledge, experience and behaviours to perform the PD role.

It is structured to reflect different levels of risk and responsibility, with separate pathways for:

Inclusion on the Register provides independent verification that a professional has been assessed against CIAT’s Principal Designer Competency Framework. This offers assurance to clients, dutyholders and the public that the individual is competent to undertake the role.

[edit] Competency and application

Applicants must demonstrate competence through a structured submission of evidence aligned with the CIAT competency framework. This includes:

Applicants must also maintain their Chartered status, comply with CIAT’s Code of Conduct, and undertake continuing professional development (CPD), typically at least 35 hours per year.

For HRB registration, additional assessment such as interviews may be required due to the higher level of risk and scrutiny associated with these projects.

[edit] Benefits of registration

While registration is not mandatory, CIAT strongly encourages Chartered Architectural Technologists acting as Principal Designers to join.

Key benefits include:

The Register is also publicly accessible, allowing clients and stakeholders to check the status of registered Principal Designers.

For Chartered Architectural Technologists, the Register offers both a professional benchmark and a practical tool for demonstrating capability in an increasingly regulated and safety-focused construction environment.

Find out more at: https://architecturaltechnology.com/resources/building-safety/new/principal-designer.html

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