Bathroom without windows
Ventilate, light, and furnish
Key points at a glance:
- Ensure fresh air and lower humidity: Proper ventilation and regular air circulation help keep humidity levels low.
- Create brightness with well-designed lighting: Multiple light sources, dimmable lighting, and daylight-like bulbs can make a windowless bathroom feel bright, comfortable, and inviting.
- Creating a cozy atmosphere: Warm colors, large mirrors, natural materials, and decorative elements give a windowless bathroom more depth, coziness, and a sense of spaciousness.
Proper ventilation for a windowless bathroom
The most obvious problem with a windowless bathroom is ventilation. There are various solutions to this issue, which also depend on the existing building structure. To ensure proper ventilation and prevent mold in a windowless bathroom, the following options are available:
Ventilation system
In fact, mechanical ventilation is required for a windowless bathroom—as specified by DIN 18017-3. As a result, windowless bathrooms without a ventilation system are found only in older buildings that have not been renovated for some time.
Newer systems, in particular, often monitor both humidity and temperature and can automatically or manually adjust them to optimal levels. In this case, the system can handle all ventilation needs.
Draft through adjacent rooms
If the bathroom does not have a ventilation system, or if the existing system is insufficient, you should ensure air circulation manually. To do this, open the windows and doors in the rooms adjacent to the bathroom. Of course, the bathroom door must also be open. This allows for effective, thorough ventilation in about 10 minutes.
It is important to ensure that air is actually circulating. A fan in the bathroom, for example, can help with this. In addition to airing out the room thoroughly, you should leave the bathroom door slightly ajar whenever possible or install ventilation slots.
Keep the humidity low
Low humidity alone is not a substitute for ventilation, but it is still recommended in a windowless bathroom. This is because it also helps prevent mold. For this purpose, you can use electric or chemical dehumidifiers in a windowless bathroom, for example. Keeping the room sufficiently heated also helps.
After using the shower, wipe down the walls with a cloth or a squeegee. It’s best to hang towels and other items on a towel warmer to dry.
Tip: Whether your bathroom has windows or not, mold can still appear from time to time. In our magazine article, you’ll learn how to removemold from your bathroom.
The right lighting for a windowless bathroom
At first glance, the lack of natural light may seem daunting, but even this challenge can be overcome in a windowless bathroom. Essentially, there are two options to choose from:
Construction measures
Even a windowless bathroom doesn’t necessarily have to be completely deprived of natural light. Depending on the bathroom’s location, skylights can be installed as a retrofit. So-called light wells are also an increasingly popular solution and can be installed in most homes—though they do involve a relatively high level of effort and expense.
Artificial light
Like any bathroom, a windowless bathroom should, of course, have artificial lighting. Without natural light, the lighting plan simply needs to be adjusted slightly. As a starting point, it’s best to plan for a bright ceiling light and at least two additional light sources distributed throughout the room. Of course, you can always add more.
The sink area, in particular, should have good lighting—ideally, dimmable lighting. Warmer, more relaxing lights are recommended for the bathtub area. Daylight bulbs can often simulate sunrise and sunset and are therefore an excellent choice. Candles create a particularly cozy atmosphere. Here, you should base your decision on your personal preferences and the decor style of your windowless bathroom.
Tip: For more on this, see our article on bathroom lighting.
How to make a windowless bathroom feel cozy
Despite—or perhaps because of—certain limitations, a windowless bathroom shouldn’t be merely a functional space. To make the bathroom truly cozy, the decor plays a key role—whether through major renovations or a few simple tricks:
Mirror
A mirror can also help make a windowless bathroom feel brighter. If possible, choose a larger one, as this will make the room appear more spacious overall.
Bathroom decor
You can add more cozy touches with decorative items. Depending on your style, there are many different ways to decorate a bathroom without windows—just choose what makes you feel comfortable.
Warm colors
To compensate for the lack of natural light, warm colors are particularly effective at brightening up a windowless bathroom. It doesn’t have to be garish; soft shades of vanilla or beige combine warmth and harmony, making them the perfect choice.
Tip: For more recommendations on color schemes, check out our article on bathroom colors.
Natural ingredients
Since a windowless bathroom can quickly feel lifeless, it’s especially recommended to use natural materials. After all, a windowless bathroom is perfect for transforming into a cozy, nature-inspired space—a true sanctuary of relaxation!
Tip: You don’t have to completely give up on plants, even if there’s not much natural light. Find out here which plants are suitable for a windowless bathroom.
Photo wallpaper
If there’s no real view, you can create one. Photo wallpaper can significantly enhance a windowless bathroom and make it look more interesting. Alternatively, you can opt for unique murals.
Tip: Check out our magazine for everything you need to know about wallpaper in the bathroom.
