The most successful phased renovations are not simply divided into smaller construction packages. They are carefully planned, strategically sequenced, and designed to create momentum while supporting day-to-day operations. Based on our experience helping libraries navigate complex renovation projects, here are ten principles that consistently guide successful phased renovations.

1. Identify Priorities and Tradeoffs Early

Every phased renovation begins with difficult decisions. Is the primary goal improving user experience? Addressing aging infrastructure? Supporting new service models?

Establishing priorities early helps stakeholders evaluate tradeoffs and make confident decisions when funding, schedule, or operational realities require adjustments.

2. Test Multiple Phasing Scenarios

The most obvious phasing plan isn’t always the best one.

Exploring different scenarios can reveal unexpected cost savings, operational efficiencies, or opportunities in future work. Sometimes completing a larger phase earlier can be more economical than spreading work across multiple smaller projects.

3. Plan Around Programs, Operations, and Building Systems

Phasing is about more than construction sequencing. Mechanical systems, life safety requirements, service delivery models, and operational priorities all influence what can happen when.

Understanding these relationships early helps prevent costly redesigns and unexpected roadblocks later. Bringing engineering consultants into the master planning and feasibility studies helps to identify the best way forward and answers crucial questions:

How should phasing proceed?

Do mechanical systems feed by zone or by floor?

Should renovations go from the top down or bottom up?

At Harvard Medical School’s Francis A. Countway Library of Medicine, renovations to the entry level delivered an early showstopper, creating momentum for further renovations on the lower level. Photo by Robert Benson.

5. Prototype Before You Build

Renovation projects increasingly involve new service models, workplace strategies, and operational approaches.

Testing ideas before construction begins can provide valuable insight into what works, what doesn’t, and what adjustments should be made before significant investments are made. Sometimes the most valuable outcome of a prototype is discovering a better solution.

6. Look for Enabling Opportunities

Successful phasing often depends on identifying spaces that can unlock future work. A newly renovated area may serve as temporary swing space, allowing other portions of the building to be renovated with less disruption.

Thinking strategically about these opportunities at the beginning of a project can streamline the renovation process.

7. Minimize Moves Through Smart Swing Space Planning

A phased approach should minimize the need for occupants to relocate more than once during the renovation.

Identifying temporary spaces in advance helps reduce disruption for staff and faculty while maintaining continuity of service. This helps prevent low morale and keep operations functioning efficiently.

8. Build on Lessons Learned

Recent years have demonstrated how quickly institutions can adapt. Hybrid work models, virtual engagement strategies, and new service delivery approaches have created opportunities for more flexible renovation planning. Many institutions test new ideas based on when the funding is available, whether that’s experimenting with service models, buying different furniture, or bringing a new program into a temp space.

By capturing these lessons learned, our team can take a more informed approach to planning and design, while institutions can rethink how space is used during and after construction.

9. Commit to Consistent Communication

Phased projects often span multiple years and involve a wide range of stakeholders. Library leadership, staff, campus partners, donors, and users all need visibility into the process.

Clear communication helps maintain alignment from planning through project completion and minimizes surprises along the way.

10. Stay Flexible and Think Creatively

If there’s one certainty in a multi-year renovation effort, it’s that conditions will change. Funding evolves. Organizational structures shift. Priorities emerge.

Effective phased renovation strategies embrace that reality. The goal is not to create a rigid roadmap but a resilient framework that can adapt while continuing to move toward a long-term vision.

Looking Ahead

Every phased renovation is different. Some institutions divide projects based on available funding. Others phase work to keep buildings operational throughout construction. Many combine both approaches.

In upcoming articles, we’ll explore how these strategies have shaped real-world library projects and examine different models for phased transformation, including strategies to maintain operations through construction and minimize disruption, as well as those designed to generate donor interest and build momentum to complete future phases.