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Tackling projects yourself can be incredibly rewarding. A fresh coat of paint, a remodeled bathroom, or a new deck out back can make your home feel more personal and doing it yourself often saves money.

But not every DIY upgrade is as harmless as it seems.

Some everyday home improvements can quietly affect your homeowners’ insurance. If work isn’t done properly, permits aren’t pulled, or updates aren’t disclosed, you could face denied claims or gaps in coverage when you least expect it.

Here are the everyday DIY upgrades that can create unexpected insurance risks.

Depositphotos 33907229 L 682x1024 2 — Potted plants in house

Cutting Corners With Materials

It’s tempting to trim the budget by choosing cheaper supplies, especially when costs start adding up. But using the wrong roofing shingles, substandard wiring, or materials that don’t meet fire ratings can create serious problems later.

Insurance companies expect home repairs and improvements to meet local building codes. If a fire or structural issue is traced back to faulty workmanship or improper materials, a claim could be denied. Choosing code-approved materials and keeping records of what you install protects you if questions ever arise.

DIY Electrical Work

electrical panel — Image Credit: Deposit Photos

Swapping out a light fixture is one thing. Running new wiring, upgrading a breaker panel, or adding circuits is another.

Improper electrical work is one of the leading causes of house fires. If damage occurs and it’s tied to unpermitted or unsafe electrical work, your insurer may investigate closely before approving a claim.

Major electrical changes should meet code requirements, and in many cases, hiring a licensed electrician and obtaining proper inspections is the safest route.

Not Reporting Major Renovations

Adding a bathroom, finishing a basement, or expanding a kitchen increases your home’s value. That’s good news unless your insurance coverage still reflects the old value of your home.

If your insurer isn’t aware of major changes, you could end up underinsured. In some situations, failing to disclose significant upgrades can complicate or delay a claim. Letting your insurance provider know before and after substantial renovations helps ensure your policy keeps up with your home’s new replacement cost.

DIY Plumbing Projects

Plumbing projects often look simple on the surface, but a single installation mistake can cause major water damage behind walls or under flooring.

Home insurance typically covers sudden and accidental water damage, but slow leaks caused by improper installation may not be covered. Ensuring plumbing work meets building codes and arranging inspections when required can prevent expensive headaches later.

Removing Walls Without Structural Planning

Open-concept living is popular, and removing a wall can dramatically transform a space. The problem is that some walls are load-bearing.

Taking down a load-bearing wall without proper support can compromise your home’s structural integrity. If structural damage results from improper renovations, insurance may not cover the repairs. Consulting a contractor or structural professional before making structural changes is essential.

Roofing Repairs Done Incorrectly

Roofing appears straightforward until it isn’t. Improper installation can cause leaks, mold growth, or even long-term structural damage.

If a storm damages your roof and the insurer determines it was installed incorrectly or didn’t meet code, you could face a claim dispute. For anything beyond small patch repairs, professional installation and documented work can protect both your home and your coverage.

Installing a Pool or Wood Stove Without Safety Upgrades

Adding features like a backyard pool or a wood-burning stove increases liability risk.

Insurance companies often require additional safety measures, such as fencing, self-latching gates, or updated smoke detectors.

Installing these upgrades without proper safeguards can affect coverage or lead to denied liability claims if an accident occurs. Checking with your insurer beforehand clarifies what safety measures are required.

Skipping Permits

Permits may feel like unnecessary paperwork, but they exist to ensure work meets safety standards.

Electrical, plumbing, structural changes, and large additions commonly require permits and inspections. If damage occurs and the work was completed without the required permits, your insurance company may refuse coverage. Verifying local permit requirements before beginning a project protects you legally and financially.

Ignoring Fire Safety During Renovations

Renovations often involve new appliances, fireplaces, gas lines, or flooring materials. Failing to account for proper spacing, ventilation, or fire-resistant materials increases fire risk.

If a fire is linked to improper installation or code violations, your insurer will likely investigate workmanship. Following manufacturer instructions and local fire codes helps ensure your upgrade doesn’t become a liability.

Landscaping That Damages Your Foundation

Landscaping projects can also create unintended risks. Improper grading or drainage can lead to water pooling near the foundation, while planting trees too close to the house can allow roots to damage pipes or concrete.

Insurance policies often exclude gradual damage, such as root intrusion or long-term water seepage. Carefully planning drainage and researching mature root systems before planting can prevent costly structural repairs.

Installing Your Own Security System Incorrectly

DIY security systems are popular and budget-friendly, but improper installation can leave gaps in protection.

Some insurance companies offer discounts for professionally installed or monitored systems. If your system isn’t properly set up or doesn’t meet insurer requirements, you may not qualify for those savings. Confirming your installation meets your insurance provider’s standards ensures you receive any available benefits.

Not Updating Your Policy After Upgrades

Even when everything is done correctly, homeowners sometimes forget to review their policy once a project is finished.

A renovated kitchen, a finished basement, or a home addition increases the replacement cost. If your policy limits remain unchanged, you may not receive enough coverage to fully rebuild after a loss. A simple policy review after major projects keeps your coverage aligned with your home’s true value.