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Stunning Home Addition Ideas for All Styles and Sizes
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Stunning Home Addition Ideas for All Styles and Sizes

|May 14, 2024

When you need more space in your home, buying a new house is often infeasible. Instead, you may consider adding an addition to what you already have. This could be a smart investment choice because it increases your livable square footage and raises your property’s value.

Additions could be grand, such as adding a second story, but they can be smaller and still make a difference. You can even achieve more living space with a modern ADU, which doesn’t require you to build onto the house at all.

In this guide, you’ll learn about accessory dwelling units and other home addition ideas to get the creative juices flowing. Let’s dive in.

Whether you decide to add a tiny house in the backyard or prefer to remodel, here are 12 room addition ideas for small homes:

1. ADUs

One of the most popular living room addition ideas trending now is the prefab ADU (accessory dwelling unit). Once built, it can boost your livable space and is perfect for a television, comfortable couch, and other necessities. Everyone can enjoy it, making it ideal for large or extended families. Let’s learn more about it.

What Is an Accessory Dwelling Unit?

An ADU is a permanent structure that’s built on the property and features sewer, water, and electrical connections. Since it’s constructed like a traditional house, it’s long-lasting and has many practical benefits.

If you’re searching for home addition ideas, putting a studio shed in the backyard could be the best solution.

What Is an Accessory Dwelling Unit?

What Are the Benefits of ADUs?

Recently, people have been researching room addition ideas for small homes because they realize they need more space and don’t want to move (or can’t). Regardless of the situation, they’ve been turning to ADUs as an innovative solution to their housing challenges.

You might be unsure if an ADU is suitable for you, and here are a few benefits of owning and erecting one:

Faster Approvals (Usually)

Most local governments are beginning to realize the need for ADUs and are streamlining the permit process. Many times, you don’t require one and can start the building process more quickly than with a traditional new construction or home addition.

Lower Construction Costs

Compared to a home addition or new build, ADUs are cost-effective to erect. When you buy one from Autonomous, you get all the materials and supplies necessary. If you choose the DIY route, you can save money, though it’s also possible to hire a professional to set it up for you.

What Are the Benefits of ADUs?

Aging in Place

Back-house room additions can be an excellent way for you to age in place. If you don’t want to deal with the noise and hassle of adding on, an ADU is a suitable alternative.

Consider moving into the ADU and renting your main house, which will also provide you with a source of income. Alternatively, you may create a guest bedroom for a live-in maid or caregiver.

Affordable Housing

Finding affordable housing isn’t easy, which is why many homeowners research room addition ideas for small homes. However, adding an ADU on the property can address this problem. You can rent it out, allowing others to find accommodations and help you earn more money.

Higher Property Values

Adding back-house room additions can increase your property’s value, and an ADU is a suitable solution. With the additional living space, potential buyers will be excited to buy and may even pay more.

Extra Space

Overall, extra space is why you’re searching for living room additions. ADUs are highly versatile and can grow with you. Though you might use it as a den or place to watch TV now, you can turn it into a home office, guest bedroom, personal gym, or art studio in the future.

Extra Space

Autonomous ADU Options

Choosing a home addition design can be daunting, but it’s easy when you consider one of the ADU options from Autonomous. Here are the three most popular ones:


When searching for family room addition ideas, the WorkPod from Autonomous is an excellent choice. Its sleek and modern design will seamlessly blend into your backyard, offering a touch of sophistication. Whether using it as a home office or a den, you’ll enjoy stepping outside and seeing it welcoming you.

Many people are looking for affordable prefab homes, and the WorkPod can double as one. Though it only offers 98 square feet, it will stand on any terrain and is weatherproof. It might work as a bedroom and entertainment center if you are creative with the design, and you can cook outside on a grill, dining at your desk.

WorkPod mini

If you’re looking for back-house room additions but don’t wish to attach anything else to the home, the WorkPod mini from Autonomous is another great solution. It’s engineered for those who want sleek design lines and high-quality materials like the other versions offer, though it is a little more affordable.

The WorkPod mini features 80 square feet of space, so it’s suitable as a backyard office pod. You’ll enjoy the same flexibility as the more expensive options. Whether you work from home, want a separate workout room, or require a guest bedroom, this is the most popular choice.

WorkPod Versatile

One of the most popular living room addition ideas is to add a prefab backyard studio, and Autonomous offers the WorkPod Versatile to make it happen. With 105 square feet of space, you can avoid distractions. Plus, you won’t have to deal with all the headaches associated with a full-blown renovation.

You can buy the WorkPod Versatile with furniture, which includes a large and small shelf, a cabinet, a desk, a sofa bed, a coffee table, and more. This makes it suitable as a living room, though you could modify it to create a guest bedroom, office, or anything else you prefer.

Since it comes with sockets and outlets, you can enjoy climate control and mood lighting. Mix things up by adding a television and some comfortable chairs, allowing the whole family to watch television and spend quality time together in a designated space.

Though ADUs are trendy right now, they aren’t the only way to add space to your home. Here are a few other ideas to consider:

2. Sunroom with a View

One popular option for back-house room additions is the sunroom. It’s often built in the backyard and attaches to the home, offering accessibility from the inside. Typically, it will be glassed-in, providing plenty of natural light and protection from the elements.

Sunroom with a View - Home addition ideas

3. Small Double-decker Addition

When you’re looking for family room addition ideas, consider adding a small double-decker option. It’s suitable for single- and two-story homes because you attach it to one area of the house. In most cases, homeowners prefer it in the back because it doesn’t detract from the front, though it can go just about anywhere.

Small Double-decker Addition - Home addition ideas

4. Home Office Addition Connecting to the Deck

If you already have a deck, one of the trendy home addition ideas is to add a home office connecting to it. You can also use this for an extra bedroom.

Those who don’t like the idea of connecting the addition to the deck might consider a home office pod. You learned about ADUs earlier, and they can be highly beneficial for specialty needs.

Home Office Addition Connecting to the Deck

5. Small Deck Addition

Adding a small deck to your current home addition design offers functionality to the adjacent spaces, both exterior and interior.

Let’s say you’re planning a home addition already to add another bedroom to the second story. Including a deck allows the room’s user to step outside without having to go through the entire home.

A small deck could also fill space that would otherwise be wasted. According to the Cost vs. Value Report from Remodeling in 2020, homeowners can recoup roughly 72 percent of this addition’s cost.

Small Deck Addition

6. Micro-addition for More Outdoor Space

Thinking of family room addition ideas can be tough, but one thing you can do is move everyone outside. This might not be suitable year-round because of storms, wind, and cold weather, but it’s easy to create a dramatic space and more square footage without the hassle of a full renovation.

Depending on your current layout and design, you could have a staircase leading to the roof. With proper railings, this could also be a great space for family members to go and relax.

Micro-addition for More Outdoor Space

7. Enclosed Porch

Most family room addition ideas focus on the entertainment center, television, and couch. However, you may want to get everyone outside more because nature is so relaxing and health-inspiring. An enclosed porch could be just the thing.

If your home currently has a porch, it’s easy to add extra support beams and screens or windows to fully enclose it. Alternatively, professionals can build everything from scratch. Then, you can decorate it with comfortable chairs, a ceiling fan, or a dining room table.

Enclosed Porch - Home addition ideas

8. New Mudroom

One of the most popular home addition ideas for those living in a wet, snowy, or muddy region is to build a mudroom. This is the space where everyone hangs their coats, takes off their boots, and puts on slippers, preventing mud and dirt from being tracked throughout the house.

There are many ways to build one. For example, you could turn an existing porch into a mudroom or add a small addition to the backyard or side yard.

Typically, mudrooms are built off the kitchen. If you add windows and a glass door, you’ll enjoy even more natural light while cooking and eating meals.

New Mudroom

9. Kitchen Bump-Out

A bump-out is a micro-addition that typically adds 100 square feet to the property. It’s a small update, but it can significantly impact your home’s footprint.

When considering home addition design, you may focus on the kitchen, and a bump-out is perfect. Create another counter where people can sit and eat quick meals or snacks with a 12-foot by 3-foot micro-addition. It could also help separate rooms.

Kitchen Bump-Out

10. Bathroom Addition (Second Floor)

With so many room addition ideas for small homes, it’s hard to know which one to pick. Most homeowners focus on the kitchen, but adding another bathroom could be highly beneficial if you have a large family.

Many two-story houses feature a bathroom on the main floor so that guests don’t have to go upstairs to use the facilities. However, it can be problematic for those living in the home.

A bathroom on the second floor can be highly beneficial, and it could be for general use or the main bedroom.

Bathroom Addition (Second Floor)

11. Large Renovation for More Square Footage

Most homeowners find that their needs change as they expand. Children will grow up and may decide to stay at home to save money or go to school. They may then have their own kids, making living space a luxury. One of the most popular living room addition ideas is to tackle a major renovation to add square footage.

Don’t be afraid to add 1,000 square feet to your home, even if it already has a second story and a basement. You can create a spacious mudroom, bigger kitchen, and a sizable living/family room with built-in storage options.

12. Guest Bedroom

Having many friends and family members means there is always someone to talk to or hang out with. However, they may need to stay with you periodically. Instead of putting them on the couch, which could be uncomfortable, one home addition design option is to create a guest bedroom.

If your house has a covered patio, it’s easy to create another bedroom. Most contractors can use the existing room for the renovation, which will cut down on costs and offer continuity.

Even if you don’t have a covered patio or something similar, a contractor can help you build a guest bedroom as an addition. When friends come over and stay too late, they’ll have a comfortable place to sleep.

Guest Bedroom


With so many home addition ideas out there, it can be daunting to determine what’s right for your situation. Homeowners are often worried about the cost of remodeling, but the noise and disruptions can also be problematic.

One way around that is to purchase an ADU from Autonomous. Having a studio office in your backyard will allow you to add more living space and get creative with how you’ll use the pod.

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