Penn Unveils Annenberg and Discovery Commons Renovations
The University of Pennsylvania announced a major Annenberg School renovation and the Discovery Commons complex replacing most of David Rittenhouse Laboratory.
Updated on Nov. 11, 2026 in Home Renovation
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The University of Pennsylvania announced a major renovation of the Annenberg School for Communication, supported by former Penn President Amy Gutmann and a donor's spouse. Penn also announced construction of Discovery Commons, which will replace most of David Rittenhouse Laboratory and begin in 2028.
Why it matters
The University said its spaces were not designed for today's science, and the projects respond to heavy course demand in DRL. The changes will reshape teaching and research facilities across Penn's Philadelphia campus.
The Discovery Commons complex will be 325,000 square feet and house almost 40 teaching spaces and more than 20 experimental labs. The initial $11.25 million allocation for the Physical Sciences project has since been estimated at $520 million, and the final cost remains unresolved.
The players
University of Pennsylvania
A private Ivy League research university in Philadelphia that operates the Annenberg School and David Rittenhouse Laboratory.
Amy Gutmann
A former president of the University of Pennsylvania whose leadership gift will name the Annenberg Media Commons.
Mark Trodden
A Penn official quoted in the university's facilities announcement regarding the new science complex.
The details
The Annenberg renovation will add redesigned classrooms, media laboratories, collaborative research spaces, and a Media Commons named for Amy Gutmann's leadership gift, along with a Media Wall showcasing the school's work. Discovery Commons will house the Physics and Astronomy, Mathematics, and Earth and Environmental Science departments, replacing most of DRL.
Timeline
November 2024: Trustees voted to build a Physical Sciences building and partially demolish DRL.
2025-26 academic year: DRL hosted 596 courses with 17,543 enrollments.
November 10, 2026: Penn announced the Annenberg and Discovery Commons projects.
2028: Discovery Commons construction is scheduled to begin.
January 2029: The 1920 Commons renovation is expected to conclude.
Campus Evolution
The Discovery Commons announcement extends the Board of Trustees' November 2024 vote to build a Physical Sciences building and partially demolish DRL. The new complex marks the next phase of that plan on Penn's Philadelphia campus.
Philadelphia students and faculty will see DRL's courses and research move into the new complex as construction proceeds. The changes will affect classroom access and lab space for those who study and work in the physical sciences on campus.
The takeaway
Large campus renovations often unfold over many years, so students and staff should watch for construction schedules and classroom changes. Penn's plans show that aging science buildings can be replaced in phases while teaching continues.
What happens next
Construction on Discovery Commons is scheduled to begin in 2028 and is expected to conclude in 2031, while the 1920 Commons renovation is expected to conclude in January 2029.
Further reading
For more on campus building work, explore Home Renovation coverage across Philadelphia.
Source note: This article includes information reported by Former Penn President Liz Magill earned $4.46 million the year following her resignation - The Daily Pennsylvanian.
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