Leonard Wyeth AIA, CPHD

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With more than 45 years of experience, Leonard’s work displays his deep creativity, and resourcefulness. His projects have included new houses, house renovations and restorations, interior design, landscape design, space planning, site planning, campus planning as well as institutional, corporate and urban design. Clients appreciate his hands-on approach and masterful ability to collaborate with teams of all stripes. He resides in Ivoryton, CT with his family. When he isn’t thinking about all things architecture, you may find him deep in the study of guitars and all things related to guitars and music.

  • Licensed Architect in the States of Connecticut, Massachusetts and New York
  • NCARB Certified
  • State Historic Preservation Office-approved architect
  • Certified Passive House Designer
  • Leonard was a founder of Connecticut Passive House and its inaugural President.

Research and Study:

Study Committee member for Connecticut Academy of Science and Engineering (CASE): Investigating the feasibility of using rejected heat from CT primary generation power plants as requested by the Connecticut Energy Advisory Board (CEAB) – 2009.

Study Committee member for Connecticut Academy of Science and Engineering (CASE): Rail energy study for Connecticut DOT- 2014.


Work published in The New York Times, Architectural Record, Progressive Architecture, Architecture, Metropolitan Home, House Beautiful, Builder, Renovation and numerous other domestic and foreign journals. Articles and projects published in American School and University.

Professional Involvement:

  • Connecticut Science Foundation: Uses for waste heat from power generation plants – 2008-2009
  • AIA Connecticut Design Commission – 2002 to present – Chairman
  • Essex Elementary School Renovations – 2003-2005 – Building Committee
  • Board of Trustees, Ivoryton Playhouse – 1988-2001 – Vice President
  • AIA Connecticut Design Committee – 1986-1988 – Chairman
  • Inland Wetlands and Watercourses Commission, Essex, Connecticut – 1981-1988
  • American Institute of Architects
  • NAMM
  • National Trust for Historic Preservation

Teaching/ Lectures/ Juries

  • Jury: University of Hartford: Design reviews – 2007-2013
  • Jury: CT ABC – Associated Builders and Contractors, Inc. awards program 2004-5-6-7 & 2008
  • Jury: AIA RI – American Institute of Architects, Rhode Island Chapter, Design Awards Program 2004
  • Technology and Education Symposium: Quinnipiac University, 1997-1998
  • Owner Architect working relationship: Quinnipiac University 1996-1997
  • Edge Cities Symposium: University of Virginia School of Architecture, 1991
  • Solar Energy and Design – Adult Education, 1979
  • Visiting Lecturer and Critic, University of Nebraska, 1978