Learn how to add chunky window trim the easy way without any complicated miter cuts or special equipment.
We have been going a mile a minute here lately. As we’ve been getting closer to the finish line of Olivia’s bedroom makeover, we’ve been working around family vacations, reunions, and summer day trips. It’s exhausting but in a good way!
This certainly isn’t one of those gorgeously creative DIY posts, but this little project is by far one of my favorites for adding some oomph to a room.
My favorite thing to DIY in our very plain builder box house is adding architectural interest, and since we’ve already done similar trim in our master bathroom, I find myself drawn to the idea of chunky window molding throughout the rest of our house.
You can find all kinds of versions of this similar trim all over the internet, but this is our very simple take.
Olivia’s bedroom window was uh…lack luster. Blah. Boooooriiiiiing.
I mean, what’s a bedroom with a glamorous chandelier without some pretty window trim to go with it? That’s like wearing stilettos with your jogging shorts. Joan Rivers would have never forgiven us, bless her soul.
This trim is so easy and doesn’t require any fancy schmancy miter cuts. If you can cut in a straight line, you can do this. I pinky promise.
DIY Window Trim Supplies: (Affiliate links noted by asteriks below.)
- 1×2 (length depending on the size of your window)
- 2 1x4s
- 1×6
- Brad nails
- Wood screws
- Hammer
- Trim caulk*
- Paint (I used a sample size of Valspar Du Jour and it was just enough.)
- Jigsaw* (of whatever type of saw you prefer)
Here’s the game plan. A visual is probably easier for this one.
We started on the window sill first. We cut our 1×6 to the width of the window plus 10 inches to leave an excess of 5 inches on each side.
Once we had the width of our 1×6 cut, we held it up against the bottom of the window to mark where to cut out the corners to fit into the window base.
Once everything looked good, we used the brad nails to attach it.
For the sides of the trim, we held our 1x4s up on each side of the window to mark where to cut the length.
(Measuring is overrated in our house for some projects. If we can get away with lining up wood pieces, marking, and cutting, we do. It’s easier and just as accurate as going the extra step with a measuring tape.)
Once the sides of the trim were up, Robert got to work on the header by cutting the remainder of the 1×6 the same length as the window sill. He cut the 1×2 in two pieces using the same length as the 1×6.
I didn’t get a shot of him using wood screws to secure the 1x2s to the top and bottom of the 1×6, but you can get a good idea of it from the pictures. (Sometimes I’m just in awe of his mad skills and wonder to myself how I ever got so lucky for marrying such a handy guy and forget to pick up my camera…oops.)
He used brad nails again to attach the header to the top of the window and made sure to secure them into studs in the wall.
He added a length of 1×4 under the window sill too.
You can get a better idea of how the 1x2s are attached to the 1×6 from this angle. See that not so pretty gap between the wood and the wall? Caulk is your best friend.
Just so you know, I posed with my caulk gun doing an oh-so-sexy Charlie’s Angels pose and somehow it mysteriously disappeared from my memory card.
Okay, you caught me. Turns out, I’m not good at oh-so-sexy Charlie’s Angels poses. More like awkward Mr. Bean face.
Good thing my caulking is better than my modeling.
I went back over the brad nails one more time to make sure none were sticking out too.
I gave the nail holes and any wood knots a fill-in with some caulk, then smoothed it all out.
After two coats of white paint, Olivia’s room suddenly looked so much bigger! I kid you not. And now Joan Rivers would approve of our ensemble.
I have curtain panels ready to hang too, so this window is going to look so much bigger from the boring plain one before.
Amazing how much a little wood and paint can do, right?
Once the curtains go up and the area rug I ordered arrives, this space will really be singing…er dancing. I mean this is a ballerina room after all.
What do you think? A DIY you could handle? Robert is already eager to trim our living room and dining room windows, and I’m totally on board.
Update: See the full bedroom makeover reveal here!
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Esther says
June 9, 2015 at 12:20 pmYou don’t happen to have an estimate on the cost do you? I only have 4 windows in my downstairs (sounds pretty sad when I say it out loud) and this would make them stand out so much more!
Lauren says
June 9, 2015 at 2:37 pmI’ll go back and add that in, Esther. I meant to mention that. With wood, caulk, and paint sample pot, the final cost is about $25 per window, depending on the size you have. It really does help a ton. 🙂 We have 6 windows downstairs that we’re wanting to do this to eventually.
briget says
March 15, 2017 at 3:48 pmHi I love this. Unfortunately I’m in a council house and they aren’t the best build where I am. One of those you can’t hang anything on the walls or can knock a nail in with your hand lol. Anyway my windows have a plastic type lip at the bottoms. How can I make the ledge? and the top piece of wood is that moulding? I also don’t have windows with space either side like yours so can I add this great look another way. I’m on my own, female and clueless with diy but really want to have a go. Thanks.
John setlock says
June 9, 2018 at 7:05 amJust remove the pkastic lip or ant other type of moulding that us there, you are going to cover it up anyhow, so even if it makes some large gouges it won’t matter.
John setlock says
June 9, 2018 at 7:08 amIf you don’t have much side room door only on one side because of an adjacent wall, just omit that side or make the width less on either side
April Rutherford says
June 9, 2015 at 12:25 pmThis is great, thanks for the tutorial. Our new house has some of the windows done like this but the ones in the back are not. Now I can do them all!
Lauren says
June 9, 2015 at 2:38 pmSo glad it could help, April! It really does add so much to a room.
Lanita Anderson says
June 9, 2015 at 1:17 pmI love the simple, yet amazing transformation of the window! It totally changes the look of the room…. I am definitely pinning this for future reference. Can’t wait to see the “finished product”.
Blessings,
Lanita
Lauren says
June 9, 2015 at 2:53 pmThanks, Lanita! Hope it comes in handy one day. 🙂
Gina says
June 9, 2015 at 6:46 pmLOVE it!!!! I have 17 windows in this house – they all need this. Thanks for showing the how-to.
Lauren says
June 10, 2015 at 1:59 amWow! Lucky girl to have 17 windows! Hope this comes in handy one day. 🙂
Jamie | anderson + grant says
June 10, 2015 at 3:55 amTrim like that instantly makes a room feel more fancy. Love the look of it in Olivia’s adorable bedroom. You’re so lucky to have a husband that knows what he’s doing….and has all the right tools (that’s always my problem with projects!) Oh, and by the way, I’m a huge fan of caulking…..can I join in with you for your next Charlie’s Angels pose?!!?!
Lauren says
June 10, 2015 at 5:55 pmThanks, Jamie! It’s taken a lot of trial and error and a lot of hand-me-down tools for us. 🙂 I’m totally down for a double trouble Charlie’s Angels pose. Haha I’ll be the awkward one.
Vicki and Jennifer 2 Bees in a Pod says
June 10, 2015 at 11:46 amWow…that bit of wood around the window has made a huge impact! Y’all did a great job – we appreciate that you don’t necessarily measure…we’re fly-by-the-seat-of-our-pants team too! Great job!
Lauren says
June 10, 2015 at 5:49 pmBest way to go right? I avoid numbers like the plague. Haha Thanks for the love!
Kirsten says
June 17, 2015 at 9:25 pmAny idea on how to do this when your windows are not inset into the wall? Our windows and the wall are flush with each other and ive been trying to figure out how to recreate this look.
Lauren says
June 18, 2015 at 1:20 amSince it’s flush, I would do it without the window sill and replace it with a 1×2 instead. Hope that helps. 🙂
John setlock says
June 9, 2018 at 7:12 amYou can add a faux window sill by doing the same thing that was done above the window. The 1×4 underneath it will give it support
Carrie This Home says
June 19, 2015 at 12:58 amThis turned out beautiful–and you’re right–it is pretty easy! By the way I LOVE the paint color in that room. Would you mind me asking what color it is?
Thanks for sharing this at the Frugal Crafty Home Blog Hop. This will be one of my featured posts at our next party 🙂
Lauren says
June 21, 2015 at 12:06 amYay! Thanks so much for the feature love, Carrie! The paint color is Benjamin Moore Gray Owl. It’s my new fave. 🙂
Sharon @ Elizabeth & Co. says
June 23, 2015 at 12:45 pmA little trim really makes all the difference! Great tutorial. Featured at Be Inspired this morning. Thanks so much for sharing!
Lauren says
June 23, 2015 at 5:31 pmYou’re so sweet! Thank you, Sharon!
[email protected] says
June 23, 2015 at 9:42 pmWhat a transformation Lauren. I am pinning and planning too!. Thank you for sharing. Visiting from Elizabeth & Co.
Lauren says
July 2, 2015 at 1:36 amThanks, Joy!
Christina Alexander says
September 9, 2015 at 11:02 amOkay this tutorial is wonderful! We just purchased a craftsman that has been remodeled and they removed the period looking window frames so we are looking to do this! Can you tell me, did you simply paint the inside of the window on the left and right sides or did you use wood there as well? Thanks!
Lauren says
September 14, 2015 at 4:19 pmThey removed the craftsman window frames?! Blasphemy. J/k But whyyyy?! Haha Yes, we just painted the inside of the window. We caulked the seam between the wood and the drywall so that it all looked like one piece. Less work and cheaper that way too. Hope it helps!
Harmony says
November 9, 2015 at 8:24 amWow, that is beautiful. I am amazed. I would love to do this to our windows. Could you tell me what kind of saw you use? I have always wanted to do board and batten and I would love to do this window trim. What is the best power tools for amantures like me? ?
Lauren says
November 10, 2015 at 1:57 pmHi Harmony! Really the main two saws we stick to for all of our projects are a circular saw and a jigsaw. The jigsaw is especially easy to learn on if you’re a beginner and have never touched a power tool in your life. My husband does the circular saw because I’m still a wimp about it. 😉
Peggy says
January 9, 2016 at 5:42 pmthank. I bought plantation shutters from Habitat for Humanity that just didn’t fit the old trim. I think this is going to work and look great..
Lauren says
January 13, 2016 at 10:00 pmYay! Glad it could help!
Donna Anderson says
January 18, 2016 at 10:26 pmJust have to say thank you to you and Robert for posting this lovely idea. I completed my first window this morning and it only took about an hour and a half. It was just the perfect solution for my less than bland and boring windows. They have zero charm now but with this technique, they will be fabulous. Doing window number 2 soon. Thank you so much!
Lauren says
January 24, 2016 at 12:21 amI’m so glad to hear that, Donna! It really does add so much character for very little. We just finished window #10 in our house. 4 more and we’re done. 🙂
hazel says
June 23, 2016 at 11:54 pmNow this proves how a small change can bring a lot of difference. You are lucky to have a husband who know these things. I have a single casement window ( http://canglow.ca/windows/casement/ ) in the bedroom and I like to do something like this with that one. I am not sure how it will end up but then, I want to try it.
Lauren says
June 24, 2016 at 1:40 pmIt’s taken a lot of learning and teaching ourselves how. Our first couple of DIYs were pretty rough. 😉 This one is definitely great for a beginner since it’s all simple, straight cuts. I have faith in you, Hazel. 🙂
Charlotte says
August 7, 2016 at 8:52 amCurious of what your window looks like with curtains. Would you please add a pic?
Love the casing.
Lauren says
August 19, 2016 at 10:22 amHi, Charlotte. Sure! Here’s the post with the entire room finished and the curtains on the window: https://www.blesserhouse.com/2015/07/ballerina-girl-bedroom-makeover-reveal.html
Diana V says
August 16, 2016 at 3:28 pmHi Lauren, great tutorial! We are beginners too, can I ask what kind of wood did you use to keep the cost low?
Thank you, Diana
Lauren says
August 19, 2016 at 9:03 amHi, Diana! I just used pine boards that I picked up at Lowe’s and filled the knots with wood filler. Worked great!
Kate says
September 9, 2016 at 3:15 pmAh this is awesome and perfect timing! The previous owners ripped out the frames and plasteed them (very badly I may add!) This is to be my next task after fitting a shower! …. on a side note, how the he’ll did you get his white vest so whitell? ! My husbands has gone a funny grey colour after wearing it to work ? and I just can’t get it clean!
Lauren says
September 9, 2016 at 3:30 pmGlad it could help, Kate! As for my husband’s attire, I have no idea but bleach is usually my best answer. 😉
Connie says
October 8, 2017 at 11:44 amLove this window trim makeover! Define going to attempt this. Kate as far as the white vest advice, I’ve eliminated the use of bleach on many things, including clothing. I’ve got 5 children, best combo is hydrogen peroxide and baking soda and warm water.. what a HUGE difference without the smell and wear off bleach.
Cynthia says
September 30, 2016 at 11:29 amLooks great. However, what really shocks me is that it didn’t have a frame. I’ve never seen a window without a frame. I live in Massachusetts and every house I have been in has window frames. I guess not. I learned something. lol
Lauren says
October 3, 2016 at 10:55 pmI know! I thought it was weird too. Our builder didn’t include window frames unless we wanted to pay for the upgrade to get them. But so glad they were frameless because it made it that much easier to give them our own style.
Laura says
December 20, 2016 at 6:49 pmThank you so much for posting this method!! My bedroom window has been trim less for SIX YEARS. We had the window replaced, but my husband told the contractor he could handle installing molding himself. BUT, he never did it. Flash forward 6 years, he is gone, and I am left to finish up the bazillion little unfinished projects myself. Pinterest to the rescue!! I have now replaced flooring, a toilet, a bathroom sink and faucet, and NOW – WINDOW MOLDING!! This project was really my first foray into power tools! I could never have figured out HOW to do this myself. Your instructions were so clear, I thought, “Why not? If I mess it up, I’ll have some extra lumber for a campfire in the backyard next summer!!”. Thank you again!!
Lauren says
January 3, 2017 at 11:52 amWow! You go girl! I’m so glad it helped!
Holly says
December 29, 2016 at 4:52 pmExcellent tutorial!! Thanks for sharing…going to store to trim my kitchen window tomorrow! YAY! I’ll share your tutorial with the hubs.
Lauren says
January 3, 2017 at 10:54 amYay! Hope it turns out well, Holly!
Robert says
January 7, 2017 at 11:52 amBeautiful beautiful beautiful! We are doing this to our windows based on your plans! The fiancee thinks we should cover the top of the blinds with the 1×6 to hide it. What do you think?
Lauren says
January 7, 2017 at 12:16 pmYay! Glad it’ll come in handy! I think covering the top of the blinds is up to you, but would you be able to remove them easily eventually? We didn’t cover the top since our blinds slide out of clips at the top for removal and ours came with a plastic moulding strip to make it look more tailored.
Špela says
January 18, 2017 at 5:07 amJust wonderful! Thank you so much for sharing! I’ll definitely be doing the trimming on all my windows! Like, immediately!! :)))
Lauren says
January 18, 2017 at 10:02 amWoohoo! Glad it helped!
Cherry says
January 20, 2017 at 5:41 amHi Lauren I’m wandering what size brad nail you use here…thinking about doin this….thanks for your help.
Lauren says
January 20, 2017 at 9:48 amI believe we used 1 1/2 inch brad nails.
Lauren says
February 4, 2017 at 1:41 pmThis is such a good idea and looks wonderful! We actually bought all of the supplies today to do the windows in our kid’s bedroom. Question about painting–did you prime the boards first? And what kind of paint did you use on the boards? I’m debating on whether to use a latex matte paint and go over it with polycrylic or whether it needs to be something more durable.
Lauren says
February 6, 2017 at 11:34 amAwesome! I would suggest priming the wood first. You can wait until after it’s all installed. Caulk, prime, paint. I used a latex semi-gloss since semi-gloss is usually best for trim. No need to use polycrylic. 🙂
Sheila says
February 12, 2017 at 9:20 pmBeautiful!!! Awesome! Now I know what I want to do with my windows. Never thought it would be that easy! Thank you!
Lauren says
February 13, 2017 at 10:49 amGlad it could help, Sheila!
Jaime says
March 1, 2017 at 8:40 pmCan I ask about the sanding of the wood?? Did you do it by hand? Or with a sander? And once they were all put together and up or before? Rounded edges? Etc?
Lauren says
March 1, 2017 at 9:11 pmHi Jaime! We just sanded the wood filler by hand after it had dried to get it nice and smooth, nothing too crazy.
Cody says
March 21, 2017 at 4:26 pmQuick question. I am shiplapping our half bathroom and have a window I am doing this to. Should I lay the shiplap first then cover with this frame. Or do frame first then shiplap up to it?.
Lauren says
March 22, 2017 at 2:15 pmI would frame the window first and then add the shiplap, in case for whatever reason down the road you decide you want to get rid of the shiplap years later.
CJ says
June 15, 2017 at 8:11 pmnone of my windows have frames either – this is a post I’ve been searching for as I’ve been wanting to add one to my kitchen window. One question. My windows have rounded corners(not squared off ones like you have? how would I put a ‘frame’ around my windows?
Shawna says
March 13, 2018 at 1:23 amI have the same problem, with the rounded corners.
michelle loghry says
August 20, 2017 at 4:44 amIs the bottom piece (under the window sill) the same length as the sill? I Want to do this today in my daughter’s room but not sure what to put that piece as
Lauren says
August 21, 2017 at 8:31 amThe board under the new window sill is the same length as the existing window sill.
Marsha says
October 4, 2017 at 3:59 amI am so very excited to find you. I have the old 60’s windows, oh so not pretty, and I have always wanted to do this , but alas, no talent. It has always looked so incredibly hard, but you have given me hope. I will have to send you my before and after shots. Thank you to a great team.
Chad says
November 26, 2017 at 9:51 amThis is great. Exactly what I want to do in our house. Quick question…did you leave the drywall in the interior sides of the window exposed and just painted it? We have blinds that are mounted inside the window frame, so I don’t really want to add trim inside the window frame and then buy new blinds. Thanks for this post!
Lauren says
December 22, 2017 at 1:29 amYes, we left the drywall exposed and just ran a line of caulk between the drywall edge and the wood, then painted. We did it that way for that same reason so our blinds would still fit.
Sarah says
December 13, 2017 at 5:19 amWow what a difference! Never would have thought of this idea myself but it works really well. Thanks for the inspiration!
Debbie says
February 3, 2018 at 10:32 amMy windows are set back about 2 1/2 inches into the wall. The dry wall wraps over the edge which frames the window. In other words, it’s not the square drywall frame that your wood trim lays flat so nicely on to secure. Any suggestions? Thank you.
Lauren says
February 5, 2018 at 2:46 pmHi Debbie! Do you think you can send a photo to me so I can help you resolve the issue a little better? Just email me at [email protected] Thanks!
Diane Thomas says
February 4, 2018 at 2:56 pmThis looks great, what type of wood did you use?
Lauren says
February 5, 2018 at 2:43 pmThanks, Diane! We just used common whitewood.
Kevin Presley says
March 26, 2018 at 12:31 pmLauren, thank you for sharing your blog! My wife and I have enjoyed it and it’s helped us in our remodel.
I noted that you didn’t case the inside of the window with wood because you had existing blinds you wanted to fit back into the windows. Makes sense.
We are planning on replacing our window treatments at the same time we case the windows. Do you think it’s worth trying to case the inside of the windows? Do you ever wish yours were wood on the inside, or do you never notice the sheetrock? Just wondering if it’s worth the added time. I would likely need to use a thin cabinet plywood so it wouldn’t cover up too much of the window frame.
Thanks again!
Kevin & Rikki
Lauren says
March 28, 2018 at 10:41 amHi Kevin! So glad to hear it has helped! We really didn’t miss casing that part of the window at all, especially since after caulking and painting, we couldn’t even tell where the wood stopped and where the sheetrock started. But that’s totally up to your preference.
Donna Bell says
March 27, 2018 at 10:57 amI think it’s beautiful!! You and your husband have done a wonderful jobs with this and your other projects. Thanks for the ideas.
Lauren says
March 28, 2018 at 9:36 amYou are welcome. My husband is a great help in all my ideas! 🙂
Taya Heinrich says
June 9, 2018 at 11:17 pmhello
going to give this a try with my small bathroom window
so you just used a hammer for the brad nails? I cant afford an air nailer lol ugh Hope its not too difficult.
Lauren says
June 12, 2018 at 2:01 pmYes! Just a hammer works really. And To drive the brad nails in further so they don’t stick up at all, use a nail punch/setter, put a little wood filler over top of the nail hole, sand, prime, paint, and it’ll look flawless. 🙂
Meghan Mack says
July 29, 2018 at 4:03 pmI want to do this to the windows in our master! LOVE this! My only concern is that there is a small, marbled like sill. Would you recommend putting a wood shelf around it or just framing the window as mention and using the existing sill? I can’t seem to picture it!
Lauren says
August 1, 2018 at 2:18 pmHmm… I’d have to see a photo to really get a good idea of what you’re working with, but I think I would use the existing sill.
Sarah says
October 3, 2018 at 10:34 amDid you treat the wood with a special primer so the knots wont bleed through? If so what did you use? Thanks. the project looks great
Lauren says
October 3, 2018 at 7:29 pmGreat question. Yes. Any primer will work. However, Kilz Premium is my preferred brand.
Jennifer says
November 20, 2018 at 4:24 pmwe have rounded edges around our windows.. do you know the best way to get around that?
Lauren says
November 26, 2018 at 7:02 pmThe rounded edges should not make too much of a difference. Tape should do the trick. If you get paint specific tape, it is thin enough to manipulate around the rounded windows.
Susan says
January 1, 2019 at 1:33 pmLove this look!!!. You guys did a great job! We recently had new windows installed and are doing this inside trim to 15 windows in our house. The tutorial is very helpful. How far does the 1×2 stick out on each side of the top 1×6? 1″ maybe?
Lauren says
January 1, 2019 at 8:33 pmHi, Susan. A little more than an inch but not much more. I never thought to measure that part directly as we just made sure to center it along the top of the window frame. 🙂 I hope you enjoy the look when you are finished. We are so pleased with the big change it made to the whole room.
ERIN says
January 7, 2019 at 5:52 pmHi Lauren, I just finished framing my dining room window using your step-by-step post and I have received raving reviews! Thank you! I only wish I would have thought to change out my doorway trim before painting and finalizing everything. 🙁
I plan to carry this look through the rest of the house, but I have 1 triple-window with a half-moon over the top of the center window that has me a little perplexed. I am wondering if the 6″ trim will look too bulky rounded over that half-moon? There is enough space between the windows to add the 1×4 trim, which I think will look really good, just not sure how to top it all off?? I would love to hear your thoughts, or if you have had to do a similar window?
Lauren says
January 8, 2019 at 8:20 pmHi, Erin! Window trim makes such a difference. We have not worked with rounded or half-moon windows. I am sure if the space is there it should look good if you already like the look without the trim. If you could share a picture to my email I may be able to give you a better answer.
Melissa Landrum says
March 25, 2019 at 11:43 amThanks so much for the tips, Lauren! I have an extra wide double window in my breakfast area that I would like to make “look” like two windows. I would like to somehow put trim between the two windows so that I can give each window it’s own roman shade instead of using one large roman shade. Does this make sense? And, have you ever attempted something like this? I’m not sure it’s worth the trouble but would love your input. Thanks again!
Lauren says
March 25, 2019 at 2:48 pmI have not worked with anything like you are describing. While what you are describing makes sense, I am not sure I would want to make a window smaller or take away from the additional light by splitting it in two. However, I have not seen the window or the space. Have you tried joining the Facebook group I host for decorating ideas? The members there have such a large range of experience, experiments and ideas. They are a GREAT support for things related to this question. I hope you get the look you are looking to obtain. Please let me know how it turns out. 🙂
Melissa says
March 26, 2019 at 1:09 amI hadn’t considered the decrease in light – thanks for pointing that out. I’ll look into your Facebook group. Thank you, and thanks again for sharing your wonderful ideas!