DIY Outdoor Couch

Our sunroom really needed some cute outdoor furniture, so I came up with plans to build a DIY outdoor couch! This was my first piece of DIY outdoor furniture that I’ve built and I love it!

DIY outdoor couch

I love how our outdoor couch turned out and I’m excited to share the step by step tutorial! The couch was designed to fit with two sets of these beautiful, outdoor cushions (the Sevilla Replacement Cushions), which I’m loving so far too! Look out for the sales on them, I got them 50% off!

If you use different cushions than the ones above, make sure to adjust the below cut measurements! A reader found these other cushions which are similar in size, and this store has other outdoor cushions to choose from as well, but again measurements would still need some adjusting. Here are a few more cushion options and here as well.

The seat cushions I used are 28.75″ long x 28.75″ wide each. *Make sure to get your cushions first before building in case they go out of stock!

Also, get the FREE printable build plans here for this outdoor couch. *If you have already subscribed, you can find this printable in the Free Printable Library.

One of the best features about this DIY outdoor couch is that it only cost $30 in lumber to build!!! The exterior stain I used was an additional $15, so a total of $45 for me to build it!

I built a matching DIY outdoor chair and DIY outdoor coffee table to go with the couch and complete the set!

Note, this post contains some affiliate links. For more info see my disclosures here.

How to build a DIY Outdoor Couch:



**If you use different cushions, make sure to adjust the below cut measurements!

The final size of this DIY outdoor couch is 26″ tall x 62 1/2″ wide x 30 1/4″ deep.

Click here to get the free printable build plans


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1. Make cuts for outdoor couch frame

Use a miter saw and make the following cuts from the 2x3s:

  • 4 pieces @ 24 1/2″ (for side frames)
  • 2 pieces @ 30 1/4″ (for side frames)
  • 5 pieces @ 57 1/2″ (for back & front frames)
  • 8 pieces @ 27 1/4″ (for side & bottom frames)

Note, if this is your first time building , check out my 6 easy tips for getting started with woodworking!

2. Assemble DIY outdoor couch side frames

Add two pocket holes with the Kreg Jig to each end of two of the 27 1/4″ pieces.

Tip: See my how to use a Kreg Jig post for an easy, step by step tutorial and video tutorial on how to use the Kreg Jig!

add kreg hole to both ends of wood board

Mark 10″ up from the bottom of one of the 24 1/2″ pieces (on the edge of it). Attach one of the 27 1/4″ pieces perpendicularly to the 24 1/2″ piece at the 10″ mark.

Make sure to attach it so the edge of the 27 1/4″ piece is flush with the top edge of the 24 1/2″ piece as shown in the below photo. I used a scrap 1×2 and paint stick underneath of the board to help with this part!

Attach longer boards to shorter boards to start making side couch frames

Then attach the two together with 2 1/2″ Kreg screws. Repeat this process on the other side of the 27 1/4″ piece. Once complete your side frame piece will look like this:

two short boards attached to long board to start forming outdoor couch side frames

Next, attach one of the 30 1/4″ boards to the top of the frame with 2 1/2″ deck screws and so they are countersunk beneath the wood surface (you will fill them with wood filler later).

I forgot to get deck screws, so I just used Kreg screws instead, which works too!

To do this, I used a 3/8″ drill bit and drilled a shallow hole, just deep enough to cover my screw head. Then, I drilled my pilot hole inside of that larger hole with a smaller bit for the Kreg screw. Lastly, I drilled in my Kreg screw to attach the two boards.

drill pilot holes to assemble top of outdoor couch side frames

Repeat on the back of the side frame piece and then your side frame is complete!

Assembled DIY outdoor couch side frames

Repeat the above process to create the second side frame piece for your DIY outdoor couch.

Also, the steps for these side frames are exactly the same as the matching DIY outdoor chair. I created a how to build an outdoor chair VIDEO if you want to see the steps in a video tutorial form!

3. Add side slat boards to side frames

Now it’s time to add the horizontal slat boards to the side frames. This step is totally optional. These slats are more a decorative feature than structural. I think they make the DIY outdoor sofa look really cool and will help prevent throw pillows from falling out the sides!

Measure the exact distance between the two legs of the side frames and cut three 1x3s to this size. The measurements should be close to 27 1/4″ but since we’re working with framing lumber, they will probably be a little different.

Each of my three slats were a little different in size, so make sure to measure exactly where the board is going. The boards should be spaced out 1 3/4″ from each other:

Add side slat boards to side frames

Attach the 1×3 slat boards with a brad nailer and 2″ brad nails.

Add side slat boards to side frames with brad nailer and brad nails

wood side frame with wood slats for DIY outdoor sofa

Repeat the above process for the second side frame.

4. Assemble bottom frame of DIY Outdoor Sofa

Add pocket holes to both ends of the remaining 6 boards @ 27 1/4″ AND to the ends of the 5 boards @ 57 1/2″.

Then use Kreg screws and attach four of the 27 1/4″ boards perpendicularly to two of the 57 1/2″ boards as shown in the below photo. Make sure the 57 1/2″ boards pocket holes are facing the inside.

Space the 27 1/4″ boards about 6″ part and attach the first and fourth board about 14 1/2″ up from the side board ends. Note, you will add the other 2 boards in soon, but not yet so you can easily fit your drill in the space and attach this bottom frame to the side frame in the next step.

attach bottom frame of couch together with kreg screws

5. Attach bottom frame to outdoor couch side frames

Attach the bottom frame to the side frames using 2 1/2″ Kreg screws and 10″ up from the ground (as shown in photo below). It helps to place the side frame flat on the floor and have a second person hold up the bottom frame on top of it.

Attach bottom frame to outdoor couch side frames

Once both side frames have been attached to the bottom frame, go ahead and add the last two 27 1/4″ boards on the bottom frame (from step #4). If it’s difficult to get them in place, use a hammer to tap them in place better.

finish adding in bottom frame boards couch build

6. Add back frame boards to DIY outdoor couch

Turn the outdoor couch on its side and use Kreg screws to attach the remaining three, 57 1/2″ boards to the side frames to create the back frame of the couch (space the boards about 2 3/4″ apart).

Add back frame boards to DIY outdoor couch with drill and kreg holes

Flip your couch back up and your DIY outdoor couch build is finished yay!!!

Back of DIY outdoor couch before staining

Front view of DIY outdoor couch before staining

7. Fill holes, sand, and stain

Fill the 4 screw holes and nail holes in with stainable wood filler. If you haven’t sanded your boards yet (I like to do most of my sanding before starting), go ahead and sand them well.

For tips on sanding wood, check out my easy guide on how to sand wood.

Finish off your project with exterior wood stain! I used Valspar semi transparent exterior stain in Pine bark. It was one of the only exterior stains I could find that came in a quart size and not a gallon size. And it only took one coat!

Check out my tutorial on how to stain wood for a beautiful finish and the best way to apply stain!

After staining, let your couch dry for a full 24 hours, then add the cushions, and enjoy!!!

DIY outdoor furniture an outdoor couch in sunroom

Here’s another angle of it!

DIY outdoor sofa

I loveeee this DIY outdoor couch so much, I’m thrilled with how it turned out and the low cost! In the spring I’d like to build a matching chair set to go with it!! How fun would that be?!

Update: I built a matching DIY patio chair and DIY outdoor coffee table to go with the couch!

So, what do you think of this build? It fits great in small spaces and it has really helped to start transforming our sunroom into an enjoyable, cute, and functional space. Next up, I need some kind of wall art to go above it!

Follow along on my latest projects and sneak peaks on Instagram, YouTube, and Facebook!

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DIY outdoor couch with cushions and without cushions and stain

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138 thoughts on “DIY Outdoor Couch

  1. Hi Angela! I was just wondering if the nail gun is necessary for this project. I am a beginner at wood-working and am still working on accumulating my tool set! I’m sure that it would definitely make things easier but I was just wondering if it is essential. Thanks 🙂

    1. It definitely helps make it easier for attaching the 1×3 side slats, buy you can get away with just using waterproof wood glue instead of the nails. If you do though, you will need to wait for the glue and boards to dry in place before moving them around.

    2. We made this ! Looks great! We did a modification to it though. We found that when sitting the slats were too far apart .A run to hd for 2×4’s Cut the same length and they fit perfectly. We also had cushions I recovered. The middle area I wanted to make a small table to put coffee cup or even play a game on it. 3 sided removable table!Fits perfectly on our deck!

  2. Do you have to use a brad nailer? Or are there other options I can do with finishing nails? Also, how many deck screws and kreg screws would I need altogether?

    1. You can use finishing nails instead! I used 4 deck screws and one standard box of Kreg screws was enough.

  3. Hi, absolutely love the outdoor sofa! I’m planning to make one for my balcony. However, I was curious to know- about how much did all the supplies cost you (minus the chair cushions)?

    1. Thank you! It cost about $30 in lumber and $15 for the stain. I already had all the other supplies, but a box of Kreg screws is around $6 and deck screws and brad nails are a few more dollars.

    1. Yes, many readers have done this! I would add additional support boards along the bottom for a three seat sofa.

  4. Hi there! Great job on the sofa! How are the cushions holding up? Not sure from the photo but are they under a roof of some kind or completely exposed to the elements?

    1. They are under a covered porch. They have held up well. They are white though which shows dirt more and we’ve had to wash the covers a few times which are a bit of a pain to take off and put back on.

  5. I would love to build this using 2×4’s as that’s what I can get here in cedar. I’m trying to figure out how that would change the plan….hmmmm.

    1. It would be so pretty in cedar! Just make sure to account for 3.5″ wide wood with 2x4s vs 2.5″ for 2x3s.

  6. Hi Angela,
    You couch is so beautiful and I will love to make it but unfortunately I was not able to download the printable build plants?

  7. Hello! I’m planning to make this for my patio this weekend. I’ve changed the measurements per the cushions I bought, but have one question: if I’m taking 3” off the top side frame (the 30 1/4”) , should I decrease the length of the 24 1/2” cut also? Thanks so much!

  8. Hi! My husband and I made this but ours didn’t come out as beautifully as yours. We used the stain you recommended and it came out more as paint then an actual stain. Any suggestions? Also anyone find any pillows that fit? The ones linked have been sold out for months 🙁

    1. I know what you mean by being more of a paint, the stain was really thick and we had to stir it really well and apply it quickly to the wood so that it was less blotchy. Wayfair has a 28×28 cushion that is the closest in size to the ones I used. Here is a link to those cushions:

  9. This was a great design! Super easy for a first time woodworker. I used 2×4’s as my arm rests so they could hold a glass and have more substance. I also left out the 1×3 slats for a more modern design. I cut mine down to fit 24×24″ cushions that are easy to find and the change in dimensions is easy. Highly recommend making these!

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