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Frank Shirley Architects

Cambridge, MA

Licensed AIA Architect in Massachusetts

About Frank Shirley Architects

Architectural beauty springs from an imaginative spirit, requires dedication to craft and attention to detail, and can only be realized through meticulous project management. We integrate an admiration for traditional proportions, crafts, and materials with a command of proven sustainable technology. We have decades of experience in high-end residential architecture, adapting historical homes for 21st-century living and designing new homes that honor the past while embracing the future.

We offer clients decades of experience in high-end residential architecture that has been continuously featured in books, magazines, newspapers, and on television, and our work has won numerous design awards. In 2007, our principal, Frank Shirley, published a book, New Rooms for Old Houses, presenting our approach to the issues owners encounter when adding to their historical homes. We strive to bring an unmatched level expertise and passion to every project we work on.

Whether it's new construction, restoration of an antique treasure, or intricate custom cabinetry, we work side-by side with our clients, builders, and craftsmen to create elegant homes and more than satisfied homeowners.

All images courtesy: Randy O'Rourke

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"We hired Frank Shirley Architects to design and rework a couple of additions to our home while creatively integrating these into a cohesive whole. Frank excelled at achieving a finished product that looked original and authentic, as if he had either designed it originally or the house had never required modifications and additions. The exterior and interior both feel original in scope, charm and detail. Having lived in the home for fourteen years, this was a huge relief to come home to all that was new and feel that it was indeed our beloved home. We have received numerous compliments on our home's beauty and even an unsolicited offer to purchase! Kudos to Frank Shirley Architects and Landmark Services. We would hire this team again in an instant."
—Client in Marshfield, MA

"Frank Shirley architects helped us with a total renovation and addition to our 1754 farmhouse. Everyone at FSA was very professional down to every last detail. Frank is an expert in the restoration of old homes and really knows his stuff. He helped us to realize all of our goals for our lovely home while maintaining the historical charm."
—Client in Needham, MA

"We couldn't be more thrilled with our experience with Frank Shirley Architects. Our remodel/addition was challenging to say the least, with multiple elevation issues and peculiar issues to be resolved on our 100 year old home. From conception to completion of our project, everything moved along in a very precise manner and the results are stunning! It was a very enjoyable relationship!"
—Client in North Andover, MA

BSA Design Awards

2010 Research grant: “A Comparative Study of the Cumulative Energy Use of Historical Versus Contemporary Windows.” 1996 Excellence in Architecture: Restoration of the Corbin-Norton House

Services and Experience


2019 Best Traditional Home Award by Fine Homebuilding Magazine for the renovation of a Tudor Revival in Cambridge, MA

2012 & 2017 Bulfinch Awards in the Residential Restoration, Renovations & Additions category for the renovations of a shingle style

Small Firm (1-5 Architects)
Locations Served:
Cape Cod/Islands
Central Mass
Greater Boston
Metro West
New Hampshire
North Shore
Rhode Island
South Shore
Western Mass
Practice Areas:
Style Focus:
Cape Cod
Building Design / Renovation
Code Analysis
Construction Documents
Design Development
Existing Conditions Evaluation
Floor Plans
Home Addition
Schematic Design
Space Planning
Project Experience:
Attic Conversion
Basement Design & Remodeling
Bathroom Renovations
Custom Homes
Exterior Details
Home Gym Design & Construction
Home Office Design & Construction
Interior Details
Kitchen Renovation
New Construction