Can I Widen a Door Opening?

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Widening a door opening in your home can significantly enhance both its functionality and aesthetic appeal. In this blog, we’ll explore the various aspects involved in a door widening project, helping you understand the potential benefits and challenges. From the choice of doors to structural considerations and the intricacies hidden within your walls, we’ll provide you with valuable insights to aid in your decision-making process for when you choose to widen your door opening.

Entry Doors Typically Inswing

When considering widening a door opening, it’s essential to think about the type of door you want. Entry doors in residential structures typically swing inward. However, this may not always be the best choice. Take, for example, a dining area or kitchen with an in-swing door. When someone needs to exit, everyone at the table must get up, which can be inconvenient.

Sliding Patio Door

One excellent alternative to in-swing doors is a sliding patio door. These doors are typically twice the width of entry doors, allowing more natural light to flood into your home. They also come with sliding screens, providing ventilation without the hassle of bugs. Additionally, sliding patio doors don’t require storm doors swinging in and out, giving you more flexibility in arranging your outdoor space.

Widening Doorways

Widening doorways is a common home improvement project that can transform your living spaces. For instance, older homes often have smaller windows that can make rooms feel dark and cramped. If you want to make your space brighter and more open, widening doorways is a great option.

Structural Considerations

However, widening doorways involves more than just cutting a hole and installing a new door or window. There are critical structural considerations to keep in mind. For example, how many floors does your home have? Depending on the situation, you might need to expand or replace a header, which is a load-bearing beam that supports the structure above the opening.

It’s important to note that this is not a DIY project. You should consult with professionals who can evaluate the structural requirements and ensure the project is executed safely.

Things Inside Nearby Walls may Affect Your Door Widening Project

Before embarking on a door widening project, you must be aware of what’s inside your walls. Electrical wiring, plumbing, and gas lines may run through the areas you plan to modify. While simple tasks like moving a light switch are manageable, more complex tasks require professional expertise.

If your wall contains essential wiring, gas lines, or plumbing, consult with experts to handle these aspects safely. Attempting to widen a doorway without addressing these concerns can lead to complications and safety hazards.


Can you widen a door opening? Absolutely! However, it’s not a simple DIY task. Widening doorways offers an excellent opportunity to enhance your home’s functionality and aesthetics. Whether you want more natural light, improved ventilation, or a brighter space, it’s essential to consider the type of door, structural aspects, and potential obstacles within your walls like electrical wiring, plumbing, and gas lines.

To ensure safety and success, consult professionals who understand these complexities. At Thermal King, we specialize in high-quality, energy-efficient windows, doors, and siding. Contact us today for expert guidance on your door widening project.