Front Doors with Sidelights vs. Transom Windows: A Guide

Your front door with glass sets the tone for your whole home. It’s the first thing guests notice, and the way it looks can completely change the feel of your entryway. If you’ve been dreaming about letting in more light or giving your doorway a little extra style, you’ve probably come across two popular options: front doors with sidelights and transom windows.

Both glass front doors are beautiful ways to brighten up your space, but they do it in very different ways. Sidelights frame your door with tall glass panels, while a transom window sits above your door like a crown. The question is—which one’s the better fit for your home?

Let’s compare front doors with sidelights vs. transom windows so you can decide what will make your entryway shine.

What Are Front Doors with Sidelights?

Sidelights are tall, narrow glass panels that run along one or both sides of your front door. Think of them as little windows that frame your entryway, instantly making it look bigger and more inviting. Among the two options, front doors with sidelights are often considered the most aesthetic choice because they create a dramatic, symmetrical look that elevates curb appeal right away.

Beyond style, a glass front door with sidelights has a practical side too. They flood your foyer with natural light, helping small or dark entryways feel brighter and more open. They also give you a peek at who’s outside without opening the door.

Privacy can be a concern with sidelights since the glass sits at eye level. The good news? You can choose from options like frosted glass, stained glass front doors, or glass entry doors with etched designs that let the light in while keeping prying eyes out. This makes sidelights a versatile choice for both traditional and modern homes.

What Are Front Doors with Transom Windows?

A transom window is a horizontal window that sits above your front door, almost like a crown for your entryway. It’s an architectural detail with roots in historic homes, but it’s just as popular in modern designs today. The biggest perk of a transom window is that it brings in extra sunlight without sacrificing privacy. Because it’s higher up, you’ll enjoy a brighter entryway while still keeping the inside of your home out of view.

Transoms also add character. Whether you go for a simple rectangle, a graceful arch, or a custom frosted glass front door, a transom window draws the eye upward and makes your doorway feel taller and more elegant.

Sidelights vs. Transom Windows: Key Comparisons

Glass front doors with sidelights and transom windows add beauty and light to your front entry, but the way they do it—and what you gain from each—can be very different. Here’s how they stack up:

How Glass Choices Affect Sidelights and Transoms

The type of glass you choose for a durable glass front door with sidelights or a transom makes all the difference in how your entryway looks and functions. Clear glass gives you maximum brightness but very little privacy. Frosted and decorative glass, on the other hand, allows light to filter in while keeping your home interior obscured from view.

For homeowners who want both beauty and functionality, professionally handcrafted glass doors for modern homes are often the best solution. Frosted glass can be etched, carved, or even hand-painted to match your home’s style, turning a simple window into a design feature.

From a technical perspective, many building codes require sidelights to use tempered glass since they’re within reach of the lock. You can also opt for laminated or double-pane glass to improve both safety and energy efficiency. This way, your high-quality front doors with glass just look stunning and they perform well too.

Choosing the Right Option for Your Entryway

When deciding between sidelights and a transom, it helps to look beyond looks alone. Each option changes how your entry functions—whether it’s the amount of light, the level of privacy, or even how much you’ll spend on framing and glass. By breaking down these key differences, you’ll see how each choice impacts your home’s style, security, and everyday comfort.

Home Style

If your house has a wide façade or you want a grand, welcoming look, glass doors with sidelights can frame the door beautifully. For homes with tall ceilings or classic architecture, a transom window adds elegance and balance.

Sidelights are often considered more aesthetic in terms of curb appeal. They frame the front door with glass symmetrically, make the entryway feel wider, and allow for more customization (frosted, etched, or stained designs). They’re the go-to choice if homeowners want a “grand” look.

Transoms, on the other hand, are more subtle and architectural. They add elegance and height but don’t have the same dramatic, eye-level impact as sidelights.

Budget

Sidelights usually cost more since they require extra framing and glass. Transoms can be a more budget-friendly way to brighten your entry, unless you go with a custom arch or decorative shape.

Privacy Needs

If you live close to neighbors or a busy street, transoms give you natural light and curb appeal without sacrificing privacy. Sidelights can work just as well if you choose frosted or decorative glass to obscure the view. For more info: Can You See Through Frosted Glass Doors at Night?

Door Size & Space

Standard-sized doors pair easily with transoms. Wider doorways or double entry doors often look best with sidelights on one or both sides.

Combining Both for Impact

You don’t always have to choose one over the other. Many homeowners combine sidelights and a transom front door with glass for a truly dramatic entryway. Custom frosted, stained, or etched glass can make either option more private, more secure, and uniquely your own.

Glass Front Doors with Sidelights and Transom

SEE MORE: Art Glass Doors YOU Customize to Suit Your Style! (and budget!)

At Sans Soucie, we specialize in creating expert-installed glass doors that are custom-made to fit your home’s style and needs. Every piece is handcrafted for beauty and built for peace of mind, with frosted and decorative options that protect your privacy. Whether you choose sidelights, a transom, or a full entry set, our secure glass doors for your home combine artistry with safety—so your front door looks stunning and feels just as reliable.

Glass Design Trends for Modern Entryways

Today’s glass entry door designs are all about blending style with practicality. For homeowners who want a bold statement, pairing sidelights with double front doors is a growing glass design trend, creating a wide, grand entrance that feels luxurious.

Transom windows are also seeing a modern revival. Clean, rectangular shapes are popular in contemporary homes, while arched or segmented transoms are often chosen for classic or craftsman-style architecture. Many homeowners add frosted or etched designs to make their transom a focal point instead of just a light source.

Another trend is designing the entryway as a complete set—door, sidelights, and transom all working together with one cohesive glass design. At Sans Soucie Art Glass, we specialize in creating these custom glass doors, ensuring your sidelights and transom aren’t just add-ons but part of a unified design that enhances curb appeal and sets your home apart.

RELATED READS: 

• Top Types of Front Doors With Glass: A Visual Guide
• Frameless Glass Doors in High-Traffic Commercial Areas

Final Thoughts

Both glass front doors with sidelights and transom windows can transform your entryway. But the right choice depends on what matters most to you. If you want a wide, welcoming look with maximum light, front doors with sidelights might be your match. If privacy and elegance are your priority, a transom window delivers without compromise.

And remember, you don’t have to settle for off-the-shelf glass. Choosing a custom frosted or decorative glass front door lets you enjoy natural light while adding privacy and personality to your home. Whether you go with sidelights, a transom, or both, the right front doors with glass design will make your front door a true statement piece.

Frequently Asked Questions

Do sidelights make a front door less private?

Yes, clear sidelights can reduce privacy since they sit at eye level. The solution is using frosted glass, decorative, or stained glass that lets in light while obscuring visibility from the outside.

Are transom windows only for traditional homes?

Not at all. While they’re common in classic and colonial-style homes, transom windows are also popular in modern designs. A simple rectangular transom adds a clean, contemporary touch, while arched or custom shapes suit traditional architecture.

Which adds more natural light—sidelights or a transom?

Sidelights bring in more direct light because they’re vertical and closer to eye level. Transoms add softer, overhead light that brightens the entry without compromising privacy.

Can sidelights or transom windows be made with tempered glass?

Yes. In fact, building codes often require tempered glass for sidelights since the panels are close to the door lock and within reach. Tempered glass is stronger and safer, designed to crumble into small, blunt pieces if broken.

Do sidelights and transoms affect door security?

Yes, but in different ways. Sidelights can be a concern if someone were to break the glass and reach through to unlock the door, especially if the lock is positioned close to the glass panel. Choosing laminated or tempered safety glass makes the sidelights stronger and harder to break, reducing this risk. Transoms, by contrast, sit high above the door and are out of reach, making them naturally more secure.

Can I have both sidelights and a transom on the same door?

Yes. Many homeowners choose both for maximum impact. Front doors with frosted glass framed by sidelights and topped with a transom create a dramatic entryway that’s bright, stylish, and inviting.

Do sidelights and transoms affect energy efficiency?

Yes. Any glass added to a door impacts insulation. To maintain energy efficiency, look for double-pane or Low-E glass options, which help reduce heat transfer and block UV rays. This keeps your home comfortable while still allowing natural light in.

Can sidelights or transoms be retrofitted to an existing door?

It depends on your doorway. Retrofitting sidelights usually requires widening the frame, which can be a major renovation. Transoms, however, can sometimes be added more easily above an existing door if there’s enough wall space. Your contractor can determine if your structure allows for either home upgrade or door installation.

What’s the standard size for sidelights and transoms?

• Sidelights: Typically 10–14 inches wide and the same height as the door (usually 80″).
• Transoms: Usually 12–18 inches tall, but widths vary to match the door and frame.

Both can be customized beyond standard sizes.

Do building codes require tempered glass in sidelights or transoms?

Yes, in most areas, sidelights must use tempered safety glass because they’re located next to a door and within reach. Transoms may not always require it since they’re out of reach, but many homeowners still choose tempered glass for added safety.

Can sidelights and transoms open for ventilation?

Standard sidelights and transoms are fixed, meaning they don’t open. However, some custom transoms can be hinged or operated with a crank to allow airflow, especially in older or historic home designs.

Are sidelights and transoms available in impact-rated glass?

Yes. In hurricane-prone or high-wind regions, you can order impact-rated sidelights and transoms that resist shattering. These use laminated glass with an inner film that holds shards together if broken, improving both safety and security.

HELPFUL RESOURCES

• Decorative Glass Gallery
• Decorative Glass Front Door Gallery