What Is Design Quality Management — and How Do You Actually Measure It?

Quality is one of those words that everyone on a construction project uses and almost nobody defines. “We want a high-quality scheme”. “The quality of the design is not good enough”. “We need to improve design quality”. These statements are made constantly — and they are almost never accompanied by a clear explanation of what quality actually means in the context of the specific project, how it will be assessed, and who is responsible for ensuring it is achieved.

It is frequently the case that construction managers are clear about what ‘construction quality’ means but vague about ‘design quality’. Managing design quality means something specific: ensuring that the design information produced is complete, coordinated, compliant and fit for purpose — and that the design meets the brief. This article explains what design quality management involves and how to measure it objectively.

Design Quality vs Construction Quality

Design quality and construction quality are related but distinct. Construction quality is about whether the building is built correctly — to the right tolerances, with the right materials, in the right sequence. Design quality is about whether the design itself is fit for purpose — whether it meets the client’s brief, complies with the applicable standards, is adequately coordinated and can be built efficiently. Poor design quality causes construction problems: incomplete information leads to site queries and delays; uncoordinated design leads to clashes and rework; non-compliant design requires redesign at cost to the project.

Defining Quality for Your Project

Before quality can be managed, it must be defined. At the start of the project, the client and design team should agree on what ‘quality’ means for this specific project — what standards apply, what the key performance requirements are and what quality benchmarks the project will be assessed against. This information should be captured in a project quality plan, which forms part of the project’s management framework and is referenced throughout the design process. Generic quality standards are not sufficient: the quality plan should reflect the specific context, ambitions and constraints of the project.

The Design Review Process

A structured design review process is the most important tool for managing design quality. Design reviews should be held at the end of each RIBA stage (or equivalent project stage), with the design team presenting their work against the brief and the quality standards. Reviews should involve not just the design team but also the client and, where appropriate, specialist advisers. Comments from reviews should be formally documented, actions assigned and responses tracked. A design review that produces no formal record is largely wasted effort.

How to Measure Design Quality

There are several practical ways to measure design quality throughout the project. None of them require subjective aesthetic judgements — they are based on measurable outcomes that can be tracked and reviewed objectively.

Brief Compliance

Brief compliance is the most fundamental quality measure: does the design meet the requirements set out in the client’s brief? This can be assessed directly by comparing the design deliverables against the brief requirements — space standards, functional requirements, technical specifications and performance targets. A simple brief compliance matrix — listing each brief requirement and tracking whether the current design meets it — is an effective tool for this purpose.

Regulatory Compliance

The design must comply with the applicable regulations: building regulations, planning conditions, environmental standards and any relevant technical standards. Regulatory compliance can be measured objectively through the formal approval processes — planning permission, building control, structural approvals — but it should also be tracked proactively during design to ensure that emerging designs do not create compliance problems that are expensive to resolve later.

Information Completeness and Clarity

Design information should be complete enough and clear enough for construction to proceed without ambiguity. Incomplete or unclear information leads to queries, delays and potentially incorrect construction. Measuring information quality requires reviewing drawings and specifications for completeness at each stage — checking that everything required has been provided, that details are sufficiently developed for construction, and that the information presented is internally consistent.

Coordination Quality

Coordination quality assesses whether the various design disciplines are properly integrated — whether there are spatial conflicts, whether the information from different consultants is consistent, and whether the federated design works as a whole. In BIM projects, coordination quality can be assessed objectively through clash detection and model coordination reports. In traditionally documented projects, it requires a more manual review process, checking that drawings and specifications from different disciplines are consistent with each other.

Design Audit

On larger or more complex projects, a periodic design audit — an independent review of the design against the brief and the quality standards — can be a valuable tool. Design audits are particularly useful at the end of each RIBA stage, before the project advances to the next stage. They provide an objective check that the design is fit for purpose before more resources are invested in developing it further. The audit should be carried out by a team member who has not been involved in producing the work being reviewed.

Who Is Responsible for Design Quality?

Design quality management is fundamentally a client responsibility — the client defines what quality means for their project and holds the design team to it. In practice, however, many clients delegate this responsibility entirely to the lead designer, without any independent oversight. The result is that the quality standards are defined and assessed by the same party, which is rarely effective. Better outcomes arise when the client, or the client’s representative, takes an active role in defining quality expectations and maintaining oversight of the process.

How JC Virtual PMs Can Help

JC Virtual PMs provides design management support to SME construction clients across the UK. We can help you establish design quality processes, facilitate design reviews, develop a project-specific quality plan and manage the production of design information to the required standard. Contact us to find out more.