Under-Deck Sunroom Ideas

Homeowners with a multi-level or a second-story deck have a great opportunity to add a sunroom addition. An under-deck sunroom is a great way to capitalize on the space and add something unique to your home and outdoor area. Sunrooms provide the best of both worlds, creating an indoor space in your backyard that makes it feel like you are already outdoors. The best thing about sunrooms is that they are multi-functional, year-round rooms. There are a variety of ways to incorporate a sunroom into your outdoor living space. Below, we will dive further into some sunroom designs and design ideas you can use for inspiration.

Design Ideas for an Under-Deck Sunroom 

For starters, an under-deck sunroom is an extension of your home. These flow seamlessly from indoor to outdoor, merging the two spaces seamlessly. Sunrooms can be attached to your back porch, front porch, on and under your deck. Since these are, or can be, an additional room to your home, their designs should match the existing interior. Create consistent flow by keeping the same color scheme, interior design, and matching furniture. To ensure that your sunroom flows easily from your home, identify the design of your home. From rustic natural to sleek and modern, the sunroom should have elements of this style incorporated. Let’s dive further into examples of your home’s style that you can easily incorporate into your under-deck space. Remember that these styles can inspire your deck ideas, porch designs, and home design choices. 

Natural and Rustic Sunroom Ideas 

When it comes to natural and rustic, think creams, browns, taupes, and a lot of wood. This type of style aims to be comfortable and relaxed, with sloping wooden beams on the ceilings and understated colors. It is welcoming and homey, with tons of wood accents and a farmhouse feel. 

When incorporating this design into a sunroom, the most manageable way to achieve this is with existing wood decks. It offers a perfect foundation to build off of since it is mainly wood. You can paint the walls with creams or taupes, which pair beautifully with wooden floors or furniture. When looking at furniture, texture plays a big part in the design style. Look for gritty pieces that give off a natural, organic, and a little distressed feel. A sunroom with this design style can easily be a living room or dining area. Envision a cozy living room with massive wooden beams and comfortable cream sofas or a beautiful wooden table for the family to gather and eat. Either way, this is a great way to add an additional cozy living space to your home. 

Sleek and Modern Sunroom Ideas 

Sleek and modern sunrooms are minimalistic and simple. It’s similar to the rustic look but with a more airy and bright feel. It hails from a Scandinavian influence, which is not stuffy, contains simple or minimal furniture, clean lines, and lots of natural light. This style is accomplished easily with exposed beams, oversized windows, creams, whites, and natural materials. 

You can use this design style for any sunroom you’d like to add. It’s especially beneficial for under-deck sunrooms, as it can use any sloping beams in the under-deck ceiling to its advantage. Since this style also benefits from exposed beams and clean lines, consider a screened-in porch with big windows with distinct borders or distinguished lattice lines running through them. Lastly, this style’s calling card is light and airy, so consider ceiling fans and skylights to help bring in and keep the atmosphere light. Keep the rest of the space simple with a seating area, and the simplistic modern design style is complete. 

Multi-Functional Sunroom Ideas 

The sky truly is the limit for multi-functional sunroom ideas. As the title implies, functionality is the most significant part of a multi-functional sunroom. These typically differ between three-season rooms and four-season rooms. Both are enclosed spaces with sprawling floor-to-ceiling windows that provide sensational views of your landscaping and backyard area. The main difference is you do not use three-season rooms when the temperature drops low, as the insulation layers are not suited for the winter. Four-season rooms do offer the insulation needed and can be used all year long. Either way, these season sunrooms are great for multi-functional use. 

In addition to a multi-functional sunroom, the space’s design and uses can be creative. Make an outdoor kitchen off your deck area that feels indoors and flows right into the outdoors. Build out your deck patio by making it an outdoor entertainment destination with a fire pit, hot tub, and outdoor furniture. Overall, the best part of these multi-functional sunrooms is the endless possibilities to make it how you want it to be. 

Remember to waterproof any under-deck sunroom properly. Check out how much it costs to waterproof a deck and how to waterproof a deck over a living space. 

Tips for Choosing the Right Type of Sunroom for Your Deck

When it comes to choosing the right type of sunroom for your deck, it’s all about what you want to get out of the space. Are you looking for a nice transition between indoor and outdoor or aiming for something a little more multi-functional? What design style do you want, what works with your existing design, and how do you achieve it? Get a clear understanding of your vision from these questions, and you are off to a great start. 

From there, you must consider your existing backyard deck and its design. To get what you want, do you have existing deck space, or will you need to build a new deck? Under-deck sunrooms need a second-story deck drainage system to keep the area dry and usable. Can you DIY any design aspect, or do you need to budget for new furniture or a designer to help you achieve your vision? If you DIY any parts of the sunroom, check if you will need a permit before starting construction. At the end of the day, you decide exactly what you want for an under-deck sunroom. Use these design ideas for inspiration and to bring your vision to life.