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Business Details
34 Years
experience
Your Trusted Architectural Design Partner in Washington, DC
Founded in 1992, FILLAT+ Architecture is a design studio headquartered in Washington, DC, specializing in architecture, interior design, urban design, and sustainable practices. Our international portfolio spans hospitality, residential, commercial, and mixed-use developments, reflecting a commitment to innovative solutions tailored to each project's unique needs. With over 100 years of combined architectural expertise, we prioritize client collaboration, leveraging Building Information Modeling (BIM) to enhance project efficiency and coordination.

Our approach integrates sustainable principles, evidenced by LEED certifications and a focus on environmental harmony, while historic adaptive reuse projects highlight our ability to blend tradition with modern functionality. We emphasize lasting architectural works that engage communities, deliver high-end results, and align with client visions, supported by offices in Baltimore, New York, and San Diego.
Services
Architectural Design Interior Design Urban Planning Sustainable Practices Historic Reuse
Details
  • Year established: 1992
Highlights and features
  • We offer over 30 years of experience in architectural design and urban planning.
  • Our team holds LEED certifications for sustainable building practices.
  • We utilize advanced Building Information Modeling (BIM) technology for precision.
  • Our client-focused approach ensures tailored solutions for every project.
  • We specialize in historic adaptive reuse and modern mixed-use developments.
Associations and certifications
  • LEED AP
  • LEED Gold
  • LEED Silver
Services
Architectural Design
FILLAT+ Architecture provides comprehensive architectural design services, focusing on creating functional, aesthetically pleasing structures tailored to client needs. Our expertise spans hospitality, residential, and commercial projects, emphasizing innovation and sustainability. We integrate client vision with technical precision to deliver lasting, impactful spaces.
Interior Design
Our interior design solutions prioritize efficiency, well-being, and creativity by analyzing client needs and environmental contexts. We craft spaces that enhance productivity and comfort while aligning with architectural themes, ensuring cohesive and purposeful environments for diverse sectors.
Sustainable Practices
FILLAT+ Architecture incorporates sustainable principles into every project phase, from material selection to energy-efficient systems. Our LEED-certified team employs strategies like low-VOC materials, VRF HVAC systems, and transit accessibility to minimize environmental impact while achieving client goals.
Urban Design
We strengthen urban connectivity through master planning and PlaceMaking, blending architecture with community needs. Our approach fosters vibrant, sustainable environments by integrating mixed-use developments, historic preservation, and transit-oriented design to enhance urban fabric.
Historic Reuse
Specializing in historic and adaptive reuse, we revitalize aging structures with new purposes while preserving cultural heritage. Our projects transform buildings into modern, functional spaces, balancing restoration with innovative design to meet contemporary demands.
People
Peter Fillat, III
President & CEO
Peter Fillat founded FILLAT+ Architecture in 1992, focusing on creative problem-solving in architecture. He emphasizes sustainable design, community engagement, and permanence in projects, guiding the firm's expertise in hospitality, residential, and urban developments.
Kevin Roycroft
Principal
Kevin Roycroft specializes in concept-driven architectural design, prioritizing functional spaces that align with client desires. His expertise in spatial relationships ensures detailed, habitable environments, contributing to FILLAT+ Architecture's innovative approach in Washington, DC.
Manish Patel
Principal
Manish Patel brings extensive experience in design and construction administration, ensuring seamless transitions from concepts to reality. His focus on environmental harmony and technical precision strengthens FILLAT+ Architecture's architectural solutions across diverse projects.
John Fetty
Principal
John Fetty excels in integrating design and technical systems for efficient construction. A respected industry speaker, he contributes expertise in prototype development and dynamic architectural solutions, enhancing FILLAT+ Architecture's hospitality and commercial projects.
Ariel Westmark
Associate Principal
Ariel Westmark leads design teams with expertise in rendering and construction administration. Her attention to detail and leadership in Washington, DC, support FILLAT+ Architecture's commitment to precision and innovative architectural outcomes.
Questions
What services does FILLAT+ offer?
FILLAT+ specializes in architectural design, interior design, urban planning, sustainable practices, and historic adaptive reuse projects.
Where is FILLAT+ located?
Our headquarters are in Washington, DC, with offices in Baltimore, New York, and San Diego.
Does FILLAT+ focus on sustainable design?
Yes, we integrate LEED-certified practices, energy-efficient systems, and eco-friendly materials into all projects.
What industries does FILLAT+ serve?
We work in hospitality, residential, commercial, mixed-use developments, and historic preservation sectors.
How experienced is FILLAT+'s team?
Our team has over 100 years of combined architectural expertise, with LEED certifications and global project experience.
Can FILLAT+ handle international projects?
Yes, our international portfolio includes projects in the U.S., China, and other global locations.