Addition Permit - Document Checklist
Complete checklist of all required documents for building addition permits
Application Form*
Complete official building permit application form for additions/alterations
Site Plan*
Updated site plan showing existing structure and proposed addition with setbacks and dimensions
Floor Plans (Existing & Proposed)*
Plans showing current layout and proposed changes with dimensions and room labels
Elevations (Existing & Proposed)*
Building elevations showing how the addition integrates with existing structure
Structural Drawings*
Structural plans for the addition and any modifications to existing structure
Original Building Permit*
Copy of the original building permit for the existing structure
Structural Assessment
Engineering assessment of existing structure's ability to support addition
- All drawings must be prepared by a registered architect or engineer
- Submit 3 hard copies and 1 digital copy (PDF) of all documents
- Clearly mark existing vs. proposed construction on all drawings
- Include connection details between new and existing structure
- Application fee must be paid before submission
Processing Time
3-4 weeks from complete submission
Application Fee
Starting at $750 TTD
Validity Period
Permit valid for 18 months from issue date
Contact our Building Department for assistance with your application.
Phone: (868) 625-3121
Email: building@gov.tt
Hours: Mon-Fri 8:00 AM - 4:00 PM