Principal Designer
What we do
Building safety and compliance, integrated into project delivery.
The regulatory landscape for construction is evolving, placing greater responsibility on those involved in the design and delivery of buildings. We support clients in meeting these obligations by providing experienced Principal Designer leadership tailored to the specific requirements of each project, ensuring risks are managed and responsibilities are clearly understood from inception to completion.
We deliver both Building Regulations Principal Designer (BRPD) services under the Building Safety Act and CDM Principal Designer services under the Construction (Design and Management) Regulations. Working across a range of sectors, including Higher-Risk Buildings (HRBs), we help manage design risk, coordinate information and support compliance from concept design through to completion.
Whether appointed as part of BoonBrown’s multidisciplinary team or alongside external consultants, we provide practical advice that supports safe, compliant and deliverable development.
Our Approach
Proactive risk management from the outset.
The most effective way to manage risk is to identify and address it early. We embed building safety and design risk management into the design process from the very beginning, helping project teams make informed decisions before issues become costly challenges.
Working closely with clients, designers, contractors and consultants, we promote collaboration, coordination and clear communication throughout the project. By integrating compliance requirements alongside design development, we help projects maintain momentum while meeting statutory obligations.
Our approach is practical and proportionate, balancing regulatory requirements with the realities of project delivery to support successful outcomes.
Our team can undertake the Building Regulations Principal Designer role directly, helping clients navigate their responsibilities under the Building Safety Act. For CDM Principal Designer services, we collaborate with trusted specialist partners, ensuring a joined-up approach to compliance, risk management and project delivery.
How we delivery
Regulatory confidence through every stage.
Successful compliance depends on more than understanding legislation. It requires robust processes, clear accountability and effective management of project information.
Drawing on our expertise in architecture, technical design and project delivery, we help teams understand their responsibilities, manage design risk and maintain the information required to demonstrate compliance. We support dutyholders throughout the project lifecycle, ensuring requirements are clearly documented, coordinated and communicated.
From regulatory submissions and Golden Thread management to design reviews and compliance monitoring, we provide the structure and oversight needed to help projects progress confidently through design, construction and completion.
The result is a coordinated approach that reduces risk, supports compliance and provides reassurance for clients, project teams and regulators alike.
Technical Projects
Explore some of our key Principal Designer projects, demonstrating how we support design teams and manage risk effectively.
Technical Insights
Explore our latest thinking on building regulations, design risk management, CDM compliance and creating safer places for people.
Doubling Up: Tall buildings and two stairs
Second staircases are set to become standard in tall residential design, with the GLA already rejecting single‑stair towers over 30m.
Building Regulation Changes – The perceived impact!
Significant updates to Parts L, F, O and S are reshaping building regulations, driving progress toward Net Carbon Zero and changing how projects start on site.
Balancing health and safety with outstanding design and buildability.
Talk to our Team
Whether you require CDM Principal Designer services, BSA Principal Designer support or strategic guidance throughout the design process, our team can help.
Tim Shepperd
Technical Director | Architect
Tim bridges the gap between design ambition and technical delivery, ensuring ideas remain buildable, coordinated and true to the original vision.
Dan Dymond
Technical Director
Daniel excels at coordinating complex projects, bringing together teams, technology and technical expertise to deliver robust, integrated solutions with confidence.
Charles Rose
Associate Architect
Charles thrives on coordinating complex projects and bringing teams together. Known for housing, care and technical delivery expertise, he balances quality with practical problem-solving.
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Abigail Baggley
Architectural Director | Architect
Abigail thrives on shaping the early vision for projects, turning opportunities into compelling proposals through creative design, strategic thinking and a deep understanding of the planning process.
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