We shot an underutilized closet and turned it into a pub by lining it with faux croc wallpaper, then adding studs and a framed photo to the back of the door.

Do Not ... Drape Curtains Right Over Your Window Length These wool drapes that are mild run floor to ceiling, giving the window in this bedroom a vibe. Custom furniture, such as a 10-inch-deep, built-in storage unit, utilizes every foot of space and also eliminates the need for bulky dressers. -- Kimberley Seldon, designer and proprietor custom made mirrors for bathrooms . Kimberley Seldon Design Group

Don't ... Overwhelm a Space With Too Many Patterns Choose a hero piece as the focal point for your room, such as a bold upholstery pattern to your sofa. Then use a mix of quieter neutrals for the rest of the walls and furniture to keep the space open and light.   -- Danielle Kurtz, inventive director, The Land of Nod

Do not ... Forget the Back of the Door Use otherwise wasted vertical distance by creating additional storage on the back of a cupboard, pantry or mudroom door. Over-the-door hooks can be customized with racks and baskets of different sizes. -- Sharon Tindell, chief merchandising officer, The Container Store

Do Not ... Be Afraid to Paint What the Same Color Blur the lines continuing your wall color on the ceiling ; doing so makes everything feel more cohesive and less cramped. -- Brian Patrick Flynn, designer, Flynnside Outside Productions

Don't ... Underestimate What You Can Do Using a Cabinet We shot an underutilized closet and turned it into a pub by lining it with faux croc wallpaper, then adding studs and a framed photo to the back of the door. The built-in drawers were dressed with vintage brass pulls and sprayed in black lacquer whereas the tray, outfitted with drawer slides, was lit from the plate over. -- Robert Stuart, owner, Robert Stuart Interiors

Don't ... Be Reluctant to Hang Things Up (Even Furniture!) Contemplate desks or bookcases that hang on the walls, which allow for more versatility in your area planning. Make the most of vertical wall space; floating shelves don't expect a great deal of space and extend an additional place to corral clutter.   -- Danielle Kurtz, inventive director, The Land of Nod

Don't ... Forget to Utilize the Staircase Adding cubbies, shelves or hanging area beneath a staircase offers storage in an otherwise unused region and generates a designated spot for rain boots, backpacks and sports equipment. Whether it's closed or open storage or a combo of both -- make certain to go as high as possible to maximize storage. -- Ginny Snook Scott, organization expert, California Closets

Don't ... Clutter Tables With Lamps and Frames Suspended light bulbs and an oversized photograph mural keep desks free of lamps and photographs, while bunk beds provide more space for children to play and work.   -- Cortney Novogratz, designer, The Novogratz and star of HGTV's Home by Novogratz

Don't ... Forget to Use the Foyer We maximized every inch of the little studio by utilizing the narrow entryway that houses a home office, a mini bar and a cupboard that hides the washer/dryer and pantry.   -- Sofia Joelsson, proprietor, SoJo Design

Don't ... Purchase an Oversized Sofa Opt for furniture with clean, slender profiles, such as this armless couch, which provides the space more living space and a lighter feel overall. -- Danielle Kurtz, creative manager, The Land of Nod

Do not ... Shun Sconces Sconces can free up important property in tiny spaces. By taking lamps off the dining table and flooring and attaching them to the wall, you're making these regions way more practical and a lot freer. -- Emily Henderson, designer, Emily Henderson Design and Target House design expert

Don't ... overlook Under-Bed Storage Among the very practical but least-utilized spaces from the bedroom is beneath the mattress. This handmade platform mattress includes storage on both sides for publications, craft materials, seasonal clothes, accessories and more. Ditch cheap plastic bins for appealing wire baskets to corral clutter. - Courtney Weston, blogger, Always Rooney

Don't ... Just Think Square Sink This round sink opens up the room and makes it effortless to maneuver around the tiny toilet. To avoid feeling cluttered, we passed on closed storage and put in a linear wall socket above the sink to maintain cotton swabs, lotions and even flowers.   -- Betty Wasserman, designer, Betty Wasserman Art & Interiors

Don't ... Use Cabinets in a Small Bathroom Cabinets in a small bathroom can occupy plenty of space; produce storage by utilizing hanging baskets and rails on the walls, then utilize accessory containers to arrange all of the small stuff.   -- Janice Simonsen, design spokesperson, IKEA

Don't ... Forget to Play Nooks and Crannies Play up unusual shapes by covering them in a bold-patterned wallpaper. I utilized a large flowery repeat to highlight this wall's triangular form.   -- James Huniford, founder, Huniford Design Studios

Do Not ... Sacrifice Style When It Comes to Storage Beautiful baskets in vivid prints or special textures do a great job corralling toys and additional blankets, but they're also a fantastic way to add decoration to a little space without cluttering up a space. I really like to place them in corners or under tables.   -- Jodi McKee, craft blogger and Pinterest influencer

Don't ... Think You Can Not Squeeze in One Piece of Furniture Activate corner space with a modular shelving system; this one allowed us to sneak into a single-leg desk at which we otherwise could not have achieved so. -- Jessica Stambaugh, proprietor, Cosmetic Traces

Do Not ... Get Heard Into Conventional Seating Many men and women believe modular seating arrangements won't function in a little area, but they could actually take up less space than a conventional couch and loveseat.   -- Janice Simonsen, layout spokesperson, IKEA

Do not ... Neglect the Corners of a Little Room We were able to squeeze a large rectangular table into a tiny kitchen by utilizing the corner and creating a built-in banquette. A very small niche allows for display and storage without needing to bring in additional furniture. Placing the large drum over the table eliminated the need for additional fittings in the room. -- Karen Vidal, owner, Layout Vidal

Don't ... Always Go With a Little Area Rug A darkened area rug that fills a room will create the illusion of a larger space. This vibrant diamond-weave pattern gives this little space a welcoming jolt of electricity. -- Fawn Galli, proprietor, Fawn Galli Interiors

Don't ... Pass on Paneling The paneled walls and coffered ceiling in this small dining area supply so much architectural integrity that the size of the room becomes an afterthought. A round dining table makes it simple for guests to browse the distance, while a high-hanging chandelier leaves views unobstructed.   -- Christopher Maya, owner, Christopher Maya Inc..

Don't ... Be Afraid to Mix Different Wood Finishes The darkened cedar walls contrast with the light cedar floor to give this bathroom an open feel. The boards are laid in different directions, making the space seem longer and wider than it truly is. -- Anne Reagan, editor in chief, Porch.com

Don't ... Believe You Can't Insert a Cabinet Create a floor-to-ceiling cupboard by attaching rods and shelves into a wall, and then draping off the room with a set of curtains. Define your storage needs, then pick the ideal spot. Here we moved the mattress to the middle of the space and constructed the closet onto the wall behind it.   -- Janice Simonsen, layout spokesperson, IKEA

Do Not ... Clutter a Table With a Great Deal of Chairs Maximize your seating with a banquette that runs the length of the room. Pull away the table in a party, and you have the perfect spot for guests to collect. -- David Bromstad, designer, DAVID BROMSTAD and HGTV character

Don't ... Push Furniture Against the Walls Pulling furniture off the wall towards the middle of a room retains a little space feeling airy and open. The floating desk within this house office adds a classy and intentional touch to this area.   -- Jessica Stambaugh, owner, Decorative Traces

Do Not ... Hang a Small Mirror in a Small Bathroom This tiny bathroom feels significantly larger thanks to the enlarged view offered up from the mirror that is textured. Mirroring an whole wall will amplify some room; hang on a wall adjacent to a window and the reflection will open things up even more.   -- Kimberley Seldon, designer and owner, Kimberley Seldon Design Group

Don't ... Buy a Bulky Sleeper Sofa This cottage is simply 650 square feet -- essentially one large room with a bath and kitchenette. Rather than attempting to work a sleeping area into the design, we opted for a Murphy bed and concealed it behind this oversized woven walnut doorway.   -- Betty Wasserman, designer, Betty Wasserman Art & Interiors

Don't ... Buy a Traditional Coffee Table In a tight space, smaller tables are more streamlined and can be moved around when needed as opposed to a large, rectangular coffee table. Go with a glass top for a less bulky appearance.   -- David Scott, owner, David Scott Interiors

Do not ... Underestimate the Power of White An all-white space enables light to bounce and reflect around the room, making any space seem bigger and brighter. An organized desk and minimal decoration create a much more spacious feel, although the slightly warmer white found from the headboard beads provide off a comfy vibe.   -- Anne Reagan, editor in chief, Porch.com

Don't ... Shy Away From Bold Colours Bold colors actually make a small space appear larger and more striking. Paint the walls, furniture and crown molding at a saturated color, then pair your monochromatic colour scheme with something sudden, like this white Lucite coffee table that lights up from inside.   -- Ghislaine Vinas, owner, Ghislaine Vinas Interior Design

Do Not ... Go With a Typical Swing Door By using a barn-style doorway and placing it on paths, we could produce more space without needing to swing a doorway in or out within this cottage's kitchen and toilet. The door was first to the house's potting shed; we simply exchanged the crystal clear glass with frosted glass for bathroom solitude. -- Betty Wasserman, designer, Betty Wasserman Art & Interiors