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Business Details
33 Years
experience
Nantucket Residential Architects & Design Experts
Founded in 1993, Thornewill Design has dedicated over 25 years to crafting residential architectural solutions that honor Nantucket's rich heritage while embracing modern innovation. Our husband-and-wife leadership team, Luke and Carrie Thornewill, brings combined expertise from prestigious institutions and hands-on construction experience to every project. We specialize in merging historical context with contemporary needs, creating spaces that respect the island's architectural legacy while meeting the evolving demands of modern living. Our portfolio spans over 700 projects, including new homes, historic renovations, and site-specific designs that harmonize with Nantucket's unique landscape. Through meticulous attention to proportion, functionality, and environmental integration, we transform client visions into timeless structures that celebrate the island's natural beauty.

Our deep understanding of local building regulations and community values ensures seamless project execution from concept to completion. By maintaining a client-centric approach, we make the design process both enjoyable and collaborative, whether working on small-scale renovations or comprehensive developments. Our commitment to excellence extends to every aspect of our work, from initial feasibility studies to final construction management, ensuring each project reflects both the client's vision and the island's character.
Services
Residential Design Historic Preservation Renovation Projects Site Master Planning Project Management Feasibility Studies Custom Construction Documents Addition Design Landscape Spatial Design Pool Cabana Design
Details
  • Year established: 1993
Highlights and features
  • 25+ years of Nantucket-specific architectural expertise
  • Award-winning integration of historic preservation with modern design
  • Comprehensive understanding of local building regulations and ecosystems
  • Client-focused approach from concept to completion
  • Proven track record with over 700 successful residential projects
Services
Residential Design
Our residential design service creates custom homes that harmonize with Nantucket's architectural heritage. We focus on spatial efficiency, natural light optimization, and material selection that withstands coastal environments. Each project incorporates site-specific elements like prevailing winds and sunlight patterns to create functional, aesthetically pleasing living spaces that reflect both client needs and island traditions.
Historic Preservation
Specializing in maintaining Nantucket's architectural legacy, our preservation service combines historical research with modern building techniques. We carefully restore period features while integrating contemporary comforts, ensuring compliance with local heritage regulations. Our approach preserves structural integrity while enhancing functionality for modern living standards.
Project Management
We provide comprehensive project management from initial concept through final construction. Our team coordinates all aspects of development, including permitting, contractor selection, and timeline management. This service ensures seamless execution of complex projects while maintaining strict adherence to budgetary constraints and quality standards.
Site Master Planning
Our site planning service optimizes land use while respecting environmental constraints. We analyze topography, vegetation, and regulatory requirements to create functional layouts that maximize views and natural features. This includes stormwater management, septic system integration, and outdoor living space design tailored to Nantucket's unique ecosystem.
Feasibility Studies
We conduct detailed feasibility assessments to evaluate project viability before design begins. This includes zoning analysis, cost projections, and environmental impact assessments. Our studies help clients make informed decisions about property acquisition and development potential while identifying potential regulatory challenges early in the process.
People
Luke Thornewill
Principal Architect
Graduated from University of Kentucky's College of Architecture in 1987. With experience in pool construction and international architectural projects, he brings technical expertise and creative vision to each design. His hands-on approach combines practical construction knowledge with artistic sensibility.
Carrie Thornewill
Principal Architect
Received B.A. from Boston University and architecture degree from Boston Architectural College in 1995. A lifelong Nantucket resident since 1995, she combines deep local knowledge with design expertise to create spaces that reflect the island's character and residents' needs.
Questions
What architectural services do you specialize in?
We specialize in residential design, historic preservation, and renovation projects tailored to Nantucket's unique environment and building regulations.
How long have you served the Nantucket community?
We've been serving Nantucket since 1993, completing over 700 residential projects that respect the island's architectural heritage.
Can you work with historic properties?
Yes, we have extensive experience with historic preservation projects that maintain architectural integrity while incorporating modern amenities.
Do you handle full construction projects?
We offer comprehensive project management services coordinating all aspects from design through construction completion.
How do you approach site-specific design?
We analyze each site's unique characteristics including topography, vegetation, and environmental factors to create contextually appropriate designs.
What makes your firm unique?
Our deep local knowledge, combined with technical expertise and artistic vision, creates homes that perfectly balance tradition with modern living needs.