Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

13 DIY Cat Fort Plans You Can Make Today (With Pictures)

diy cat fort made from cardboard inside the house

Having a cool fort for your cat can bring a fun look to your living room while providing your cat with an excellent hiding spot to help them feel safe and comfortable. Unfortunately, commercially produced cat houses and forts can be prohibitively expensive for many people. The good news is that there are lots of great options for building a DIY cat fort in the comfort of your own home!

Regardless of your DIY skill level and available tools, there’s something on this list that you’ll be able to make at home for your kitty.

divider 2 cats

The 13 DIY Cat Fort Plans

1. Cardboard Cat Castle

DIY-10_STEPS_FOR_BUILDING_YOUR_OWN_CARDBOARD_CAT_CASTLE
Image By: The Honest Kitchen

Materials: Cardboard
Tools: Box cutter/scissors, glue, Sharpie marker
Difficulty Level: Easy

This Cardboard Cat Castle guide makes it easy for just about anyone to build a customized fort or castle for their cat. The plans call for minimal materials and tools, and depending on the fort size you decide on, you can build this simple fort in under an hour. While any type of glue will work for this project, it’s ideal to use sturdy glue, like hot glue or craft glue, to ensure the fort is stable and safe for your cat.


2. Amazing Pet House

How_to Make_Amazing_Cat_Pets_House_from_Cardboard
Image By: Cardboard Ninja

Materials: Cardboard, hot glue sticks
Tools: Hot glue gun, craft knife/box cutter
Difficulty Level: Easy

The most difficult part of building this Amazing Pet House is going to be handling the hot glue. This simple design will allow you to build a multi-level fort for your cat in the span of an hour or two. You may need to have something heavy on hand, like plate weights or a stack of books. This will allow you to put weight on the top level of the fort, ensuring the glue creates a tight seal between the cardboard layers.


3. DIY Box Fort

How_to_Make_a_Cardboard_Box_Fort_for_Your_Cat
Image Credit: Kitty Cat Chronicles

Materials: Cardboard
Tools: Box cutter/scissors, packing tape/duct tape
Difficulty Level: Easy

This DIY Box Fort plan will walk you through building a large fort for your cat. This fort isn’t the prettiest thing in the world, so it might not be an ideal centerpiece for your living room, but the options for customizing this fort are endless, allowing you to design it to meet the size and aesthetic needs of your home. Although this is extremely easy to make, ensure children have assistance when handling box cutters or scissors.


4. Cat Castle

Instructables_Cat_Castle
Image Credit: Instructables
Materials: Cardboard
Tools: Craft knife/scissors, ruler, pen/Sharpie marker, sticky tape
Difficulty Level: Moderate to difficult

Although this Cat Castle plan is made from the same simple materials and tools as the previous plans, this one is definitely more complex to make. Lots of precise measurements need to be made, and it’s important that you piece things together properly to ensure they’ll be safe for your cat and able to bear their weight. You can experiment and customize this fort to meet your cat’s needs, though!


5. Epic DIY Castle

How_To_Make_An_Epic_DIY_Cat_Castle_Out_Of_Cardboard_Boxes
Image Credit: Cuteness.com
Materials: Cardboard, non-toxic craft paint, hot glue sticks, felt, wooden dowels, twine; Optional additions: synthetic grass, cat fountain, plant pots, cat grass, decorative items
Tools: Box cutter/scissors, duct tape, paintbrushes, Sharpie marker, hot glue gun
Difficulty Level: Moderate

This plan will help you make an Epic DIY Castle for your cat. This plan is fully customizable and includes options for adding lots of decorative items to your build, allowing you to build and customize the ideal fort for your cat. It does require quite a few materials, but if you’re a crafter, then you likely already have these items at home.

When selecting decorative items, like garlands and pom-poms, make sure you select objects that will be safe for your cat or will be well-secured so that they can’t eat or get tangled in them.


6. Roger’s Castle

PetSmart_Presents_DIY_Cardboard_Cat_Castle
Image Credit: PetSmart
Materials: Cardboard, cat toys
Tools: Sharpie markers, glue, packing tape/duct tape, box cutter
Difficulty Level: Easy

If you have a cat that would love a fort they can climb up high in, then the plan for Roger’s Castle from PetSmart will be a great option. This fort is easy to make, but it will take some time to ensure the levels are safe and secure for your cat. Like all of the previous plans, you’ll need to have plenty of cardboard boxes on hand to create this fort.


7. Blinged Out Cat Fort

Blinging_Out_a_Cardboard_Cat_Fort
Image Credit: Instructables
Materials: Cardboard, templates, thin wood sheets (optional)
Tools: Box cutter, packing tape/duct tape, glue/double-sided tape, laser printer (optional)
Difficulty Level: Moderate

We’ll be the first to admit that not all cardboard cat forts turn out very pretty, but this Blinged Out Cat Fort guide will help you create something attractive and unique for your cat. The plan calls for a laser printer and thin wood sheets to create wooden “bling” for the fort.

However, you can print off templates that you like with a normal printer and use them to trace designs onto cardboard, then cut them out with a box cutter. When it comes to this DIY project, use the materials that are available to you.


8. Cardboard Cat Fort

How To Build a Cardboard Cat House - DIY Home Tutorial - Guidecentral
Image Credit: Guidecentral English
Materials: Cardboard
Tools: Glue, box cutter, pencil, ruler, compass
Difficulty Level: Moderate

This Cardboard Cat Fort design plan will definitely take some patience to put together, but the end result will be well worth the time. Although time-consuming, this isn’t an overly difficult project, but you will need to carefully measure the cardboard before cutting it to ensure the fort turns out the correct shape. While you can use cardboard boxes for this project, it’s best to select thick, corrugated cardboard to ensure the fort is sturdy.


9. Cardboard Geodesic Dome

Cardboard Geodesic Dome
Image Credit: Instructables
Materials: Cardboard, paper, staples/brads
Tools: Box cutter, pencil, fine-point pen, ruler, stapler
Difficulty Level: Moderate to difficult

This Cardboard Geodesic Dome plan will leave your cat with the coolest fort on the block, but it’ll take you some time to put it together. Carefully measuring the pieces before cutting them and ensuring the pieces are placed together properly will give you success in making this dome. This is a relatively difficult project because of the level of complexity the measurements require, so may not suit kids.


10. Wood Look Cardboard Fort

DIY_Cat_House_from_Cardboard
Image Credit: Mika Tika
Materials: Cardboard, rope, fabric, hot glue sticks
Tools: Colored pencils, hot glue gun, ruler, box cutter
Difficulty Level: Moderate

This Wood Look Cardboard Fort provides the perfect cat fort that looks wooden without the difficulty of cutting wood. This DIY project does require some art skills to create the final look shown in the video, but you can also go rogue and make this fort look however you’d like. If you’re a crafter, then you likely have all of the materials and tools at home already, but if you don’t, they’re all easy to find and relatively inexpensive.


11. Ralph’s Fort

I Built The WORLD'S GREATEST Cat Fort
Image Credit: Half-Asleep Chris
Materials: Cardboard, plywood sheets, string/twine, wall anchors (optional)
Tools: Ruler, pencil, saw, glue, drill (optional)
Difficulty Level: Difficult

For someone with woodworking skills and leftover wood sheets at home, this project for Ralph’s Fort is a great DIY opportunity. Although the body of the fort is made from cardboard, it requires a wooden frame to be built for the internal support. Ideally, you should mount this build to a wall to ensure it doesn’t topple over when your cat uses it, but you may be able to find a more renter-friendly way to install it without putting anchors into your wall.


12. Bamboo Castle

I_built_a_cat_castle
Image Credit: frikandidlo
Materials: Insulation plates, carpet pieces, bamboo tiles
Tools: Jigsaw, construction adhesive/wood glue, box cutter/carpet knife, ruler, pencil
Difficulty Level: Moderate to difficult

Are you hoping for a highly attractive DIY fort for your cat? This Bamboo Castle build is aesthetically pleasing, as well as sturdy and fully customizable. Although the original build in the post is a castle, you can make this project look as fort-like as you’d like. This project does require some careful cuts, so be patient and check your measurements before cutting. Be prepared to allow plenty of time for the glue to cure before allowing your cat to climb on this fort.


13. Scratching Post Castle

Kitty_Castle_With_Scratchpole
Image Credit: Instructables
Materials: Plywood, wood bars, metal brackets, carpet pieces, scratching pole, screws
Tools: Jigsaw, glue, drill, screwdriver, knife, construction adhesive/wood glue
Difficulty Level: Difficult

For cats that love to scratch on a scratching pole, this Kitty Castle with Scratchpole plan is ideal. You can purchase a commercial scratching post for this project, or you can DIY it at home with jute and PVC pipe. Measure your cuts carefully to create this project, but you can customize the size and shape to any type of fort you can dream up. Because of the sturdy build, the sky’s the limit with this project.

divider 3 paws

Conclusion

When it comes to DIY forts for your cat, you can be as creative as you’d like, as long as you create something safe and sturdy for your cat to shelter in. Every cat is different, and every DIYer’s skill level is different, so start with a project you’re comfortable with. You can always build a new fort for your cat later when you’re more comfortable with your DIY skills!


Featured Image Credit: TheCats, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Cat Splashes Water Out of the Bowl: 5 Vet-Verified Reasons & How to Stop It

While the behavior can be frustrating due to the mess, your cat splashing their water out of their water bowl and all over...

Chinchilla Cat: Info, Pictures, Care & Traits

A Chinchilla cat is not a separate cat breed or an unlikely mix. Instead, this term refers to a specific coat type of...

How to Get Your Kitten to Stop Biting: 6 Useful Tips

Getting a new kitten in your life is always exciting. You can’t wait to cuddle and play with your new family member. Especially...

Are Heat Lamps Safe for Cats? Vet-Verified Safety Facts, Tips & Alternatives

It’s no secret that our cats gravitate toward warmth. Most cats love to nap in a cozy, snuggly spot, whether on your laptop,...

More related

150+ Adorable American Shorthair Cat Names in 2025

When choosing the perfect name for your American Shorthair cat, there are countless options to explore. These charming felines deserve a name that...

How to Build an Insulated DIY Outdoor Cat House: Step-By-Step Guide

Outdoor cat shelters are fabulous for indoor cats who occasionally spend time outside. It’s also great for feral cats, abandoned cats, and any...

Veterinary TCM (Traditional Chinese Medicine): Our Vet Explains How It Helps Cats

In the two centuries since Louis Pasteur and Joseph Lister revolutionized medical practice with vaccination, sterilization, aseptic surgical techniques, and other remarkable breakthroughs,...

Are There Cats Without Whiskers? Vet Reviewed Facts & FAQ

If you’re a cat lover or even a casual observer, you’ve probably noticed that cats have long, delicate whiskers protruding from their faces....

Keep reading

10 Sounds Cats Love the Most & Why They Like Them (Vet-Verified)

Cats are able to hear frequencies up to 85,000 Hertz (Hz), while humans can only hear frequencies between about 20 and 20,000 Hz1. No wonder there are certain noises that can send cats racing! So then, what is music to...

Cat listening to radio

How Much Does It Cost to Spay or Neuter a Cat? 2025 Update (Vet-Verified)

Spaying and neutering are both common medical procedures recommended by veterinarians, breeders, and shelters. Spaying or neutering your cat removes the possibility of them reproducing. Besides helping prevent unplanned litters of kittens, spaying and neutering can prevent a wide range...

Two veterinarians holding down a Persian cat at the exam table

Can Cats Tell What a Human Baby Is? Vet-Verified Information

Cats are peculiar creatures; some are curious and friendly and want to be near you, while others retreat to their favorite lounging spot with no desire to be bothered. Some cats tolerate noise, while others hate the sound of screaming...

cat with a sleeping baby

Can I Use Dog Dewormer on Cats? Vet Reviewed Facts

Cats that have not received preventative treatment commonly contract worms, and although seeing the parasites in your cat’s vomit or stool is unpleasant and concerning, they are typically easy to treat. If you have a dog that recently had worms...

devon rex cat take medicine

How Can I Talk With a Vet When It’s in the Middle of the Night? 5 Ideas & Online Vet Options

Cats are curious animals, and they tend to have active periods at night. This can cause them to get into accidents or get injured, and it can be difficult to contact your veterinarian because their clinic is closed in the...

woman using a laptop on couch with her cat

7 FIV in Cats Vet-Approved Facts You Might Not Know About

Feline immunodeficiency virus (FIV) is a common and serious infection in cats worldwide. This lentivirus, which weakens the cat’s immune system, is similar to the human immunodeficiency virus (HIV) responsible for AIDS in humans 1. Although cats with FIV may...

woman holding her cat in vet clinic

8 Best Cat Brushes in Canada: 2025 Reviews & Top Picks

If you aren’t used to brushing your cat, it can be intimidating to pick out the right brush. There are so many different styles and brands, each with its own uses. Finding the right pet brush is a combination of...

woman brushing an orange cat

Pure Vita Cat Food Review of 2025: Recalls, Pros & Cons

Review Summary Pure Vita Cat Food includes wet and dry food, but the wet food has higher-quality ingredients than the dry food. The dry food lacks some essential vitamins and minerals, while the wet food range is nutritionally well-balanced and...

Pure Vita Review