DUNCAN architect

Comfortable. Healthy. Energy-efficient.

From historic Brooklyn brownstone renovations to Passive House consulting on large apartment buildings in Queens.

Video

How can you make an old house Passive in New York? What if it's in an historic district?

Services

Passive House Feasibility Review

Before you commit to a design contract, find out what Passive House performance would cost in your building and what your landmarked facade will allow.

Full architecture services

Brooklyn brownstones and townhouses made warm, durable and ready for their next century, along with Flatbush Victorians and new homes. Designed and overseen by the architect from first sketch to move-in, with the assurance of third-party Passive House certification.

Historic retrofit consulting

Passive House strategies for landmarked buildings, including LPC coordination.

Passive House consulting

Thermal bridge analysis, PHPP modeling, envelope design review and airtightness testing for architects, builders and multifamily developers.

Selected projects
  • Victorian Passive House retrofitDitmas Park, Brooklyn · Historic wood-frame house
  • Fort Greene brownstoneBrooklyn · Passive House consultant to the contractor
  • Bed-Stuy brownstoneBrooklyn · Architect, Passive House
  • HANAC Corona senior housing and pre-K →Corona, Queens · Passive House consultant · PHI certified
  • Bauhaus Residence →Westport, CT · Passive House consultant · First PHI-certified retrofit in Connecticut
  • Haus 96Prospect Heights, Brooklyn · 4-unit condo retrofit of a 1931 building · Passive House consultant
  • Whitestone houseWhitestone, Queens · Net zero renovation and addition
About

Gregory Duncan, AIA, CPHD

Principal

Greg's interest in giving old buildings new life began in Hamburg, Germany, in 1996, on a project to transform a cold, uncomfortable office building. He returned to the U.S. for a Master of Architecture at the University of Pennsylvania and moved to New York in 2000. A German blog post introduced him to Passivhaus; he went on to attend the first meeting of New York Passive House and later joined its board. In 2010 he founded Duncan Architect to design comfortable, healthy, energy-efficient buildings.

“You work with me directly, from the first site visit to the finishing touches, to give your brownstone or Victorian the new life it deserves.”

Let's talk. [email protected]