Our studio integrates the practices of architecture and design into one clear, distinctive vision. Preserving unique elements of the past, we create a new language using innovative architecture and inspired interior design.

An aerial view of people meeting at a desk with hanging plants in the foreground.

A Trio of AD100 Talents Bring Rigor and Romance to a Historic NYC Townhouse

A colonial-era farmhouse in rural Connecticut gently restored by architect Elizabeth Roberts

From City to Country, Elizabeth Roberts’s Designs Are Timeless

Elizabeth Roberts, the Cult-Favorite Brooklyn Architect, Finally Has Her Own Monograph

Elizabeth Roberts Got Christine Coulson to Write Flash Fic for a Book on Brownstones & Other Homes

Architect Elizabeth Roberts and Fashion Designer Cecilie Bahnsen Discuss How They Keep Their Work Personal, Even As It Joins the Major Leagues

Connecticut Farmhouse Ups the Ante on Countryside Living

Elizabeth Roberts Architects: Collected Stories

Elizabeth Roberts’s Nuanced Blend of Natural Leather, Cork Wall Tile & Hand-Illustrated Wallpaper

Imbued With Joy: Elizabeth Roberts on Creating Original Work, Encouraging Comfort, and Leading a Happy, Healthy Studio

How Do the Pros Create Holiday Magic? (Yes, You Can Try This at Home.)

AN Interior’s Top 50 Architects and Designers of 2023

A Mother-and-Child Set of Cabins Form a Single Catskills Ski Retreat

Elizabeth Roberts Combines Two Buildings Into One For A Catskills Ski House

Elizabeth Roberts Architects: Meet the AD100 2023

Tour an 18th-Century New York Farmhouse That Was Masterfully Restored by AD100 Architect Elizabeth Roberts

A Magical Live-Work Retreat on Long Island

So You Want to Blow Out Your Brooklyn Brownstone

How a Cult-Favorite Architect Gets It Done

AD100 Architect Elizabeth Roberts Crafts a Dreamy Office Sanctuary

In praise of precedent: How do architects use history for inspiration?

Inside Fashion Designer Ulla Johnson's Bohemian Brownstone

The Boss? You’re Looking at Her: 7 Women in the Building Business

How This Stunning Brooklyn Townhouse Became a Forever Family Home

Serial Remodelers Settle Down: A Brooklyn Townhouse Reinvention from Elizabeth Roberts

Elizabeth Roberts Splashes a Brooklyn Family Home with Sunlight

Ulla's Johnson's Feminine Boho Chic Aesthetic Gets the Retail Treatment

A woman relaxes on a white net hammock, reading a magazine in a bright, minimalist room with white brick walls. The setting feels calm and cozy.

Two people sit at a small white table in a bright, modern office. Warm-toned chairs and wall art create a cozy, collaborative atmosphere.

A person in a hammock is seen through the wooden frame ceiling, surrounded by lush green vines. The setting is calm and airy, suggesting relaxation.

Elizabeth Roberts, AIA (Founding Principal) brings nearly 30 years of experience working across the New York City area and beyond. A historian of design at heart, Elizabeth creates timeless spaces with a modern sensibility by marrying her passion for tradition and craft with her keen eye for scale and precision. She heads every project at ERA, beginning with long conversations with clients to understand their approach, needs, and hopes. By mentoring her staff to become independent designers and architects, Elizabeth has nurtured a vibrant studio that centers inspiration and integrity in their work together.
Elizabeth began her solo practice shortly after completing her graduate studies in Historic Preservation at Columbia University and her undergraduate studies in Architecture at U.C. Berkeley. A native of Northern California, Elizabeth has long been an ardent New Yorker who cherishes her ability to raise a family in the city, immersed in its energy, history, and distinctive design culture.

A woman in a black outfit sits on a desk in an office. Behind her, there is a large plant and shelves. The scene conveys a professional and calm atmosphere.

Kenneth Lake, AIA (Managing Director, Senior Associate) joined ERA in 2018. He has over 20 years of experience managing a wide range of complex institutional, commercial, and residential projects throughout the New York City area. With his deep understanding of the unique challenges of working in both dense urban frameworks and the concerns of suburban and rural building, Ken oversees the day-to-day operations of the firm, and directs and monitors ERA's team leaders and accounting department. At ERA, he has spearheaded the firm's expansion into ground-up building design, and assists with the planning and management of ERA's new construction projects. Ken is a Registered Architect with a Bachelor of Architecture and a Master of Engineering. Sharing his love of the outdoors with his family, they split their time between the Catskills and the West Village.

Josh Lekwa, AIA (Principal). After attending Cornell for architecture, Josh moved to New York City to work for Robert A.M. Stern. Time at a variety of boutique firms endowed Josh with a thorough expertise in the historic preservation process before he joined ERA more than ten years ago. Josh now acts as architectural project director, providing smooth day-to-day communication between ERA and clients, and between the studio and builders, fabricators, and retailers. In collaboration with the Director of Interior Design, he oversees the management of the design team, in addition to his supervision of ERA's consultant teams and the technical implementation of projects. Josh has directed the successful execution of more than 30 historic townhouse projects and has more than 20 years of experience in the field of architecture in New York City. He is an avid cook and classical music fan.

Robby Rathmann-Noonan (Director of Interior Design, Senior Associate) joined ERA in early 2020 following more than a decade of work in high-end hospitality, retail, and luxury residential design. A Brooklynite since 2005, Robby came to New York after her undergraduate studies at Dartmouth College and attended Parsons at the New School for her interior design degree. Robby provides design management for all projects, with a focus on interior architectural detailing and decoration and a talent for translating client wishes into final plans. In collaboration with Elizabeth and the project team, she has handled the interior fixtures, finishes, and furnishings for numerous townhouses, ground-up homes, and historic properties across the city and region. Together with Josh Lekwa, she directed the integration of the interiors and architecture design processes into a seamless operation. When not at the office, Robby enjoys Brooklyn life with her husband and children, as well as exploring her passion for wildlife photography in southern Africa.

Nick Braaksma, RA

Kevin Ellicks

Dawn Helms

Christopher Kitterman, AIA

Theo Kypreos

Isabel Lafortezza

Molly McGill

Saranga Nakhooda, RA

Oscar Platt

Matt Porter

Gate Pratt, RA

Sophia Proust

Alexandra Ramirez, RA

Michele Runco

Jennifer Seiber

Jenn Sgro

Andy Stepka

Margaret Tudor

Marta Weber

Caroline Wenger

Our Studio

A table with material samples in a brightly lit office with people working in the background.

Junior Architect

Construction Administrator

Interior Designer

Intermediate Architect

Senior Architect