21 Prefab Additions You Need to Know About If You're Short on Space

Last updated on October 30, 2022

Looking for different types of modular additions for your home? Look no further as we’ve got the best ideas here. Read on!

A prefab or prefabricated home is a type of dwelling that’s manufactured in advance from factories instead of on-site. It’s shipped pre-made and ready to assemble, they typically cost less than conventional homes.

And it’s not limited to houses. In fact, you can have a prefab addition added to your home, be it a bump-out or a small structure in your backyard. We’re talking about extra rooms, a garage addition, an office, or even a guest house.

They can’t be fully customized (that’s the nature of prefabrication) but they’re quick to build yet provide the same (often higher) durability and quality of a traditional house thanks to modern technology.

And that’s the reason why we’ve made a list of these ideas for modular home additions, to help you make the right choice as it can be a make-or-break decision.

Modular Home Additions

Modular home construction is an effective way to build additions for your house when you want to get something for high quality and yet fast building time. The speed is very important as building additions will temporarily disrupt your lifestyle. There are 2 basic types of addition, an attached to the side and the other one is on top of a one-story home. An exception to the rule is a prefabricated bathroom pod that can be added inside a building as well as an extension.

Prefab Shed

A prefab shed can be a great addition to your lot especially if you need something quickly for storage. It has become popular over the years because it doesn’t take a lot of effort to build them. They come in multiple sizes and shapes and some can be bought pre-engineered if you want to build one.

Prefab Backyard Guest House

If you’re gonna have family or friends come over but don’t have one, then a prefab guest house is a perfect option. It can be built quickly and comes in different materials, shapes, and sizes for any type of budget.

Prefab Garage

Prefab garages can be considered if you have a free space in your lot but don’t have a garage yet. It has plenty of varieties, is inexpensive, and is faster to build. It is not as durable compared to a traditional one but modern technology improved its quality.

Prefab Studio

When you want a quick workspace in your backyard, a prefab studio is a viable option. You don’t have to be confused looking at dozens of screws, bolts, or wood which usually eats up a lot of time. A prefab studio is ready for you to use once delivered.

Prefab Modular Room Additions

Modular home additions are assembled in sections and they can be customized but not to the full extent. They’re much faster to build just like prefabs and depending on the budget can be really durable.

Prefab Granny Pod

As it is in the name, a prefab granny pod allows the elderly or someone to look after to live in a backyard cottage. A prefab one is much quicker to build in the backyard which is important if you’re in a hurry for grandma and grandpa.

Prefab Mother in Law Suite

Also known as a prefab in-law suite or sometimes guest house, it’s usually built attached or located in the same place as a single-family home. Building one from scratch costs a lot so a prefab can be considered for a quicker, affordable price.

Prefab Office

When most of your work involves being at home, why not have a prefab office if you have space in your backyard? It’s quick, affordable, and can give you the privacy you need when doing your job, away from disturbance.

Accessory Dwelling Unit Prefab

Known as secondary suites, an accessory dwelling is like your second modular home attached near the main home. It’s used mainly to gain extra income via rent from family members but it can be a relaxing area too.

Modular Second Story Addition

Installing a second-story addition might cost a lot but it’s one way to enlarge an already existing house, especially for smaller ones. It was one size fits all before but now it can be fully customized to suit your needs.

Prefab Master Bedroom Addition

Adding a master bedroom to an already pre-existing home is possible if you have the funds. It can improve the home’s value significantly and buying a prefab one can lower the cost by a great margin.

Prefab She Shed with Bathroom

Every woman of the house needs a she shed, just like a man needs his man cave. It’s made for relaxing and built with soft colors and comfortable furniture. You can build one on your own or get a prefab for a less expensive and quicker route.

Prefab Sunroom Addition

A prefab modular sunroom is an ideal place to unwind and relax as it lets you embrace the outdoors while protecting you from the elements or bugs. It improves home value by up to 47% and getting a prefab one is a great option for a quicker, cheaper sunroom.

Outdoor Office Shed

If you’re living in a limited space, then consider adding an outdoor office shed. It can be custom designed to suit your needs. It can be a home office, an extra kitchen, craft space or even playing the instruments. It’s smaller, quicker to build, and much cheaper.

Lean-to Addition to a Building

Making a lean-to to an existing building is actually pretty easy and can be done by yourself even without prior experience. It’s cost effective and easier compared to other buildings. It’s typically used as a small shelter or storage area.

DIY Room Addition Kit

If you want to increase the value of your home but want to do it the cheapest way and stay creative then why not make a do it yourself room. You can use an existing space like an unfinished basement. It can be any type of room like a lounge, gym, or even home office.

Room Addition Floor Plans

When you’re running out of space for your home, getting the best room addition floor plans is something you must do. It will give you lots of ideas on what you can do, like the number of rooms you can add.

Small Modular Cabins

Modular homes aren’t just the big, full family house but there are also what you call modular cabins which are smaller and have a more vintage, rustic structure. They also come cheaper compared to conventional modular homes that you can do on your own if you have the right skills. What’s also great about them is that you can add many cabin additions to expand them.

Double Wide Mobile Home Additions

Double wide mobile homes suit well in an open and spacious floor plan and it adds appeal to the exterior style of a property. Even though it’s made this way, an addition to a mobile home must have its own foundation.

Prefab House Addition Cost

Prefab houses are usually more affordable than traditional houses by 10% to 20%. It is also 1 to 4 months faster to build than conventional homes and they’re mostly built in factories and then the company will just deliver it to you. According to HomeAdvisor, the cost of a prefab addition starts at $3,000 and can run up the balance to $30,000.

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