At BTL Architects we are passionate about designing and building structures for durability and long-term performance. We offer a full range of professional planning and architectural services - including extensive experience with occupied residential buildings. Guided by our unique approach, we have developed expertise in the following areas:

Building Analysis
& Planning

We systematically analyze a building's current condition, and provide recommendations to ensure desired performance.

  • Property Condition Assessments
  • Exterior Wall Ordinance Inspection
  • Building Condition Assessments
  • Roofing Inspection
  • Building Repair Design, Specifications and Cost Estimates
  • HVAC/Ventilation
  • Indoor Air Quality Studies
  • Life Safety Evaluation
  • Reserve Studies

Envelope Evaluation
& Repair

We evaluate the condition and performance of building envelopes and develop repair and maintenance programs.

  • Building Envelope Failure Analysis
  • Moisture Intrusion Diagnostics
  • Building Enclosures
  • Repair, Restoration, Replacement
  • Maintenance Programs

Historic Preservation
& Restoration


We advise our clients on preservation, rehabilitation, restoration or reconstruction appropriate for buildings of historic significance.

  • Condition Surveys
  • Historical, Technical & Materials Research
  • Material Conservation and Restoration
  • Codes & Standards
  • Construction Details/Types
  • Vintage Construction Design and Replication
  • National Register nomination
  • HABS Documentation

Sustainability is not a buzzword to BTL Architects. We understand the increasing importance of sustainable design and energy performance.

  • Energy Management and Auditing
  • Energy Consulting
  • LEED Certification Assistance