Case Study

Duplex Conversion

A comprehensive conversion project transforming a single-family home into a legal duplex, creating two fully independent living units within one property.

Residential ConversionFull Conversion

Project Overview

This project involved the complete conversion of a single-family residence into a legal duplex, requiring extensive structural modifications and systems upgrades to create two independent, code-compliant living units.

The scope encompassed everything from initial design coordination through final occupancy approval, addressing the unique challenges of converting an existing structure while meeting modern building code requirements for duplex use.

Key Challenges

Structural modifications to create separate entrances and define independent unit boundaries while maintaining building integrity.
Installation of separate utility metering and systems for each unit, including electrical panels, HVAC zoning, and plumbing connections.
Achieving effective sound separation between units to meet building code requirements and ensure privacy for both households.
Navigating permit requirements and building code compliance specific to duplex conversions, including fire separation and egress standards.

Scope of Work

Comprehensive structural modifications including separate entrance construction and unit boundary definition.
Full electrical system upgrade with independent panels and metering for each unit.
HVAC system separation and zoning modifications for independent climate control.
Plumbing system updates to support separate water and drainage connections.
Sound attenuation measures including insulation and acoustic barriers between units.
Fire separation upgrades and smoke detector systems for code compliance.
Complete interior renovation for both units including kitchens, bathrooms, and living spaces.
Permit coordination, inspections, and final occupancy approval.

Outcome

The property now functions as a fully legal duplex with two independent, code-compliant living units, each with separate entrances, utilities, and privacy.

This conversion project demonstrates the capability to handle complex residential transformations where structural, mechanical, and regulatory requirements all intersect.