20' X 20' Tiny House Plans (with Drawings) (2024)

20' X 20' Tiny House Plans (with Drawings) (1)

Many people in recent years shifted toward a significant lifestyle change when they drastically downsized to 400 sqft or less. Undoubtedly, living tiny has its pros and cons, but is it for you?

If you decide to live in a 20’ x 20’, single-story home, you get a whopping 400 square feet of living space. You’ll certainly need to overcome some challenges, even if you double your square footage and get a two-story home. But, either way, living in a small space requires some thoughtful and creative planning.

The layout of a small home is critical; you need to ensure you maximize every nook and cranny of space. Of course, you want to have all the essentials, but squeezing in enough adequate storage is also paramount.

What Are the Essentials in a 20′ x 20′ House?

As fun as adding lots of bells and whistles is, if you only have 400 sqft, start with your essentials. For example, you need a sleeping area, a place to eat and make food, a bathroom, and storage. Ideally, you’ll also likely want a shared space for entertaining or lounging.

If you stick with a single story, you probably won’t have room for many extras, like a guest room or library. However, you could double-up in some areas or utilize multi-purpose furniture to sneak in some fun twists. Also, if you opt for a two-story or adding a loft space, you can incorporate some bonus spaces.

A Place to Sleep

While the majority of houses in the US have three bedrooms, in 400 sqft, you’ll likely have one. In fact, you might only have a loft space or sleeping area. But, if you have a two-story home, you could squeeze in two small bedrooms.

In some instances, you might have two stories with an extra sleeping loft or attic space. Albeit, this additional space might not be full ceiling height. If you live in a pleasant climate, you could also screen in a porch and create a sleeping porch.

A Place to Cook and Eat

A tiny-house kitchen doesn’t have to be bland. While you need to maximize your space, you can opt for high-end finishes for a more luxe feel. Consider how many people live in the home and how often you actually cook.

For example, if it’s just one or two people in the house, and you aren’t a gourmet chef, you can get creative. You could consider a two-burner stove and a smaller fridge, along with a studio dishwasher.

Plus, instead of a dedicated dining room, opt for a flip-up table that mounts to the wall. This table set-up can even double as a workspace or a place to play games.

Everything Else You Need in a 20′ x 20′ Home

Another room you’re sure to want in your home is a bathroom. But, in a 20’ x 20’ house, it likely won’t be an overly large space. The typical formula for bathrooms is two for every three bedrooms.

With 400 sqft, you’re apt to have a small bathroom with a sink, toilet, and shower. However, if you have two stories or multiple levels, you might opt for a larger bathroom or two small ones.

Storage space is also crucial, even if you have very few belongings. After all, you don’t want all of your things out in the open all of the time. Be creative with incorporating your storage; think hidden space between wall studs and even cubbies under your floor. You also can include a laundry area, either a stackable unit or an all-in-one unit to save space.

If your house has a high ceiling, don’t forget about your vertical space. Add a loft, lots of shelving, and suspend items you don’t need to access often. Finally, multifunctional furniture is a must when you live in a small home. Try to find furniture that includes some kind of storage or double function. For example, use a murphy bed with a desk underneath or a coffee table that doubles as a desk.

How Should You Size Rooms in a 20′ x 20′ House?

When you plan your layout for a small home, it’s different from your average-size home. For one thing, you simply can’t have as many rooms.

For example, builders typically allocate a certain percentage of a home’s overall square footage to each room. They factor in bedrooms, bathrooms, a kitchen, living room, dining room, and more. Plus, they usually include things like a laundry room, walk-in pantry, foyer, and office.

According to the National Association of Home Builders, these percentages vary based on whether your home is small (under 2,000 sqft) or large (over 3,500 sqft). However, in a home that’s only 400 to 800 sqft, you might need to eradicate some rooms. Therefore, focus on the essential rooms first when planning your 20′ x 20′ house layout.

Based on the recommended percentages, your room spacing might look something like this.

Average Space Allocation in a Single-Story 20′ x 20′ Home

RoomPercentage of Square FootageTotal Square Footage
Bedroom/Sleeping Areas29.8%119.2 sqft
Bathroom/Bathrooms11.4%45.6 sqft
Kitchen Area14.7%58.8 sqft
Breakfast Nook/Eat-In Area3.1%12.4 sqft
Living Room Area24.3%97.2 sqft
Laundry Area3.5%14.0 sqft
Other Finished Spaces/Storage Areas13.2%52.8 sqft
TOTAL100%400 sqft

Obviously, you can tweak these numbers to accommodate your specific lifestyle. However, this provides you a general idea of room sizes that would work in your size house.

Of course, if you decide to build up and go with a two-story, you can include more rooms. So if you go this route, your space allocation might look something like this.

Average Space Allocation in a Two-Story 20’ x 20’ Home

RoomPercentage of Square FootageTotal Square Footage
Master Bedroom13.1%104.8 sqft
All Other Bedrooms16.7%133.6 sqft
Master Bathroom6.5%52.0 sqft
All Other Bathrooms4.9%39.2 sqft
Kitchen12.7%101.6 sqft
Breakfast Nook/Eat-In Area3.1%24.8 sqft
Dining Room/Living Room16.1%128.8 sqft
Family Room/Library/Etc.9.9%79.2 sqft
Laundry Room3.5%28.0 sqft
Entry/Foyer2.5%20.0 sqft
Other Finished Spaces11.0%88.0 sqft
TOTAL100%800 sqft

Could You Live in a 20′ x 20′ House?

The current guideline is that each person living in a home needs between 200 and 400 square feet to be comfortable. Therefore, if you have a single-story, 20’ x 20’ home, one or two people would be the limit. If you’re single and looking for a small starter home, it could be perfect for you.

If you go with two stories and double your space, 800 sqft could be just right for a young couple. It could even work for a small family that plans to upsize one day. Another possibility would be retirees ready to downsize and have little maintenance and upkeep to handle.

Whatever your scenario, carefully weigh the pros and cons before deciding if living in a smaller home works for you.

Possible Layouts for a 20′ x 20′ House

If you want a smaller home to work for you, it’s all about a thoughtful and well-executed layout. Take your time to plan out the space that will work the best for your life.

Consider your lifestyle, habits, and daily routine when determining your home’s floor plan. Also, take time to decide your absolute musts and what you can live without so you don’t have any regrets.

Single-Story 20’ x 20’ House

This single-story layout includes a basic floorplan for a tiny house with the essentials. You do get a bathtub, which is a plus, as well as double closets.

20' X 20' Tiny House Plans (with Drawings) (2)

Source: Etsy

Two-Story 20’ x 20’ Home

The bottom floor of this home increases the kitchen and living room size since the bedroom goes upstairs. The addition of loft space on a second level adds a nice seize master bedroom area plus more storage. Plus, a wraparound porch and upper deck area create the illusion of an even larger home.

20' X 20' Tiny House Plans (with Drawings) (3)

Source: Pinterest

Adding Outdoor Space to Extend a 20’ x 20’ House

Even a single-story home can get more space with the addition of some porches. The rear porch is screened in, creating an outdoor living space that extends the home’s footprint. Here, the bedroom is a bunk room for a cabin retreat, but it can easily be a proper bedroom.

20' X 20' Tiny House Plans (with Drawings) (4)

Source: Dream Home Source

Multilevel 20’ x 20’ House

This multilevel home has a footprint of 20’ x 20’ but a little over 1,000 square feet. This extra square footage is thanks to a third level that is a match to the second level. It also has extra outdoor space, making this house a roomier option.

20' X 20' Tiny House Plans (with Drawings) (5)

Source: Pinterest

Related Questions

Roughly how much does a 20′ x 20′ home cost to build?

How much it costs to build a house depends on a few different things. The most significant factors are the size of the home and the location. For example, in Philadelphia, you could build a house for roughly $154 per square foot.However, in Brooklyn, NY, you would spend closer to $180 per square foot. Then, the numbers could drop to around $109 per square foot in Omaha, NE. Of course, the numbers vary based on the cost of available materials, accessibility, labor availability, and supply and demand.Therefore, if you’re building a single-story, 20’ x 20’ home in Philadelphia, you’d pay about $61,600. However, the same house in Omaha would only cost about $43,600. Keep in mind; these figures don’t include the cost of the land, just the home.

Are there special restrictions to consider if you build a small house?

It all depends on where you’re building. In some states, the building code states a home must be a specific minimum size, which can vary greatly. For example, some states require new homes to be at least 1,000 square feet.In other cases, there may be stipulations on room sizes and so forth. If you’re planning to build a new house, it’s vital to know the local building codes no matter the size. Ensure you work with a reliable and professional contractor that will stay on top of all code restrictions and permits.

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Introducing Tiny House Living

Living in a tiny house has become a popular lifestyle choice for many people in recent years. The appeal of downsizing to a home that is 400 square feet or less has its pros and cons. However, before making the decision to live in a small space, it's important to consider the challenges and plan thoughtfully.

Maximizing Space in a Small Home

One of the key aspects of living in a tiny house is maximizing every square inch of space. The layout of a small home is critical, and careful planning is required to ensure that all the essentials are included while still providing adequate storage.

Essentials in a 20' x 20' House

When designing a 20' x 20' house, it's important to start with the essentials. These include a sleeping area, a place to cook and eat, a bathroom, and storage. If space allows, a shared area for entertaining or lounging can also be incorporated.

Sleeping Area

In a 400 square foot home, it's likely that there will only be one sleeping area, which could be a loft space or a designated sleeping area. However, if you opt for a two-story home, it may be possible to have two small bedrooms. Additionally, if the climate allows, you can consider a screened-in porch that can double as a sleeping porch.

Cooking and Eating Area

A tiny-house kitchen doesn't have to be bland. While it's important to maximize space, you can still opt for high-end finishes to create a more luxurious feel. Consider the number of people living in the home and how often you cook. For example, if it's just one or two people and you're not a gourmet chef, you can get creative with a two-burner stove, a smaller fridge, and a studio dishwasher. Instead of a dedicated dining room, a flip-up table mounted to the wall can serve as a dining area and workspace.

Other Essentials in a Small Home

In addition to a sleeping area and a cooking and eating area, a small home should also have a bathroom and adequate storage space. The bathroom will likely be small, with a sink, toilet, and shower. Storage can be creatively incorporated, such as hidden spaces between wall studs and cubbies under the floor. Vertical space should not be overlooked, and utilizing lofts, shelving, and suspended items can maximize storage. Multifunctional furniture is also important in a small home, such as a Murphy bed with a desk underneath or a coffee table that doubles as a desk.

Sizing Rooms in a 20' x 20' House

When planning the layout of a small home, it's important to consider the size of each room. While builders typically allocate a certain percentage of square footage to each room in larger homes, this is not feasible in a tiny house. According to the National Association of Home Builders, for a home of 400 to 800 square feet, it's necessary to focus on the essential rooms first.

For a single-story 20' x 20' home, the average space allocation could look like this:

  • Bedroom/Sleeping Areas: 29.8% (119.2 sqft)
  • Bathroom/Bathrooms: 11.4% (45.6 sqft)
  • Kitchen Area: 14.7% (58.8 sqft)
  • Breakfast Nook/Eat-In Area: 3.1% (12.4 sqft)
  • Living Room Area: 24.3% (97.2 sqft)
  • Laundry Area: 3.5% (14.0 sqft)
  • Other Finished Spaces/Storage Areas: 13.2% (52.8 sqft)

For a two-story 20' x 20' home, the space allocation might look like this:

  • Master Bedroom: 13.1% (104.8 sqft)
  • All Other Bedrooms: 16.7% (133.6 sqft)
  • Master Bathroom: 6.5% (52.0 sqft)
  • All Other Bathrooms: 4.9% (39.2 sqft)
  • Kitchen: 12.7% (101.6 sqft)
  • Breakfast Nook/Eat-In Area: 3.1% (24.8 sqft)
  • Dining Room/Living Room: 16.1% (128.8 sqft)
  • Family Room/Library/Etc.: 9.9% (79.2 sqft)
  • Laundry Room: 3.5% (28.0 sqft)
  • Entry/Foyer: 2.5% (20.0 sqft)
  • Other Finished Spaces: 11.0% (88.0 sqft)

These allocations can be adjusted based on personal preferences and lifestyle needs.

Could You Live in a 20' x 20' House?

The current guideline for comfortable living is that each person needs between 200 and 400 square feet of space. Therefore, a single-story 20' x 20' home is suitable for one or two people. It can be a perfect starter home for a single individual or a young couple. If you opt for a two-story home and double the space, 800 square feet could be just right for a young couple or a small family planning to upsize in the future. It can also be an attractive option for retirees looking to downsize and simplify their lives.

Possible Layouts for a 20' x 20' House

To make a small home work for you, careful consideration of the layout is crucial. Take the time to plan a layout that suits your lifestyle, habits, and daily routine. Determine your must-haves and what you can live without to avoid any regrets.

Single-Story 20' x 20' House: This layout includes a basic floor plan with essential rooms such as a sleeping area, bathroom, and kitchen. It also features a bathtub and double closets for added convenience.

Two-Story 20' x 20' Home: This layout increases the kitchen and living room size on the bottom floor while moving the bedroom upstairs. It also includes loft space for additional storage and a wraparound porch and upper deck area, creating the illusion of a larger home.

Adding Outdoor Space to Extend a 20' x 20' House: Even a single-story home can benefit from the addition of porches. By incorporating a screened-in porch, you can create an outdoor living space that extends the footprint of the home.

Multilevel 20' x 20' House: This layout features a third level, increasing the square footage to over 1,000 square feet. It also includes extra outdoor space, providing a roomier option for living.

Additional Information

Cost to Build a 20' x 20' Home: The cost to build a house depends on various factors, including size and location. In general, the cost per square foot can range from around $109 to $180, depending on the area. Therefore, a single-story 20' x 20' home could cost approximately $43,600 in Omaha, Nebraska, and around $61,600 in Philadelphia, Pennsylvania. These figures do not include the cost of land.

Special Restrictions for Building a Small House: Building codes and restrictions for small houses vary by location. Some states require a minimum size for new homes, while others have stipulations on room sizes. It's important to be aware of the local building codes and work with a professional contractor who can navigate these restrictions and obtain the necessary permits.

Living in a small home can be a rewarding and practical choice for those who wish to simplify their lives and make the most of limited space. By carefully considering the layout, maximizing storage, and prioritizing essential rooms, you can create a comfortable and functional living environment in a 20' x 20' house.

20' X 20' Tiny House Plans (with Drawings) (2024)
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