Preserving Louisiana’s Historic Homes: Challenges & Solutions

Louisiana’s historic homes are a treasure trove of architectural beauty, craftsmanship, and cultural heritage. From Creole cottages in New Orleans to Acadian-style homes in South Louisiana, these structures tell the story of the region’s past. However, preserving these homes comes with unique challenges. Without proper care, they can fall victim to humidity, termites, outdated materials, and modern building codes that don’t always align with traditional construction methods.

In this post, we’ll explore the biggest challenges of historic home preservation and how homeowners can protect and restore these architectural gems.

Challenges of Preserving Historic Homes

1. Moisture & Humidity Damage

Louisiana’s climate is notorious for its heat and humidity, which can lead to mold, wood rot, and structural damage. Many historic homes were built with materials that allow for natural airflow, but modern renovations often trap moisture inside, causing deterioration.

Solution:

• Use breathable materials like lime-based plasters and traditional wood siding to allow moisture to escape.

• Ensure proper ventilation in crawl spaces and attics.

• Regularly inspect for signs of rot or mold, especially in wood-framed structures.

2. Termites & Pests

Wood-loving pests, particularly Formosan termites, pose a major threat to Louisiana’s historic homes. These insects can quietly destroy structural elements over time.

Solution:

• Schedule annual termite inspections and treat the home proactively.

• Use borate-treated wood in any repairs or replacements.

• Maintain a barrier between soil and wood, especially for pier-and-beam homes.

3. Outdated Electrical & Plumbing Systems

Many historic homes still have knob-and-tube wiring or cast iron pipes, which can be fire hazards or prone to leaks. While these systems may still function, they often don’t meet modern safety standards.

Solution:

• Upgrade electrical wiring while preserving plaster walls by using surface-mounted conduit or crown molding concealment.

• Replace old plumbing with PEX or copper piping, ensuring minimal disruption to the structure.

• Work with contractors experienced in historical renovations to preserve as much of the original home as possible.

4. Energy Efficiency & Insulation Issues

Many historic homes lack insulation or were built with natural ventilation in mind, making it a challenge to regulate indoor temperatures without significantly altering the structure.

Solution:

• Use spray foam insulation under floors and in attics while avoiding moisture-trapping materials in walls.

• Install storm windows or interior magnetic panels instead of replacing historic windows.

• Utilize energy-efficient HVAC systems designed for older homes.

5. Navigating Building Codes & Permits

Modern building codes often conflict with historical preservation efforts, making it difficult for homeowners to complete renovations without extensive permitting or redesigning.

Solution:

• Consult with the Louisiana State Historic Preservation Office (SHPO) to ensure compliance with preservation guidelines.

• Apply for historic tax credits and grants, which can help offset costs.

• Work with contractors who specialize in historic homes to navigate code requirements without sacrificing character.

Why Preservation Matters

Restoring and preserving Louisiana’s historic homes isn’t just about aesthetics—it’s about maintaining cultural identity, sustainability, and long-term value. Well-preserved homes can increase property value, reduce waste from demolitions, and keep Louisiana’s rich architectural history alive for future generations.

If you own a historic home and need expert guidance, our team specializes in restoring and remodeling homes while preserving their original character. Contact us today to discuss your project!