These tips are based from the article of Freshome:
Crown Molding
Details are the most important factor for us to make our homes look high-end and elegant. It's all about the tiny details that will make a lot of difference in the look of our home.
Crown Molding is an inexpensive way of trying to make the look of a room polished or finished. This is what we do with our wall and ceiling that makes the appearance come together. Examples of crown molding that adds glam to your home are crown, high baseboard, ceiling beams, columns, ceiling medallions, chair rails, and many more. So choose the one you want and that would fit your budget.
Paint
The paint totally matters a lot in adding that sophisticated look in our homes. Celebrated trends in this season are making our house in all-white paint. But to give you an idea what paint color to choose for your home, choose two from these color choices: bold, dramatic, soft, or understated hues.
Another great idea is painting the doors inside your home black, also try to add in some home accessories in black to unite the overall look.
Pillows
For pillows, these instantly give glamour to your home. Choose pillows that are oversized like 22-inch pillows that have 24-inch inserts.
And based from the overall colors of your living room, try to have variety and popping colors for your pillows, do not go overboard though. Find colors that are coordinated with the overall look.
Window Treatments
The most budget-friendly piece of home accessory in our home that gives out the elegant feel, when selecting window choices avoid those that are unlined flimsy looking materials, see-throughs because those would make your home look cheap.
Try choosing those that are in natural silk, linen, and cotton; you can also try woven bamboo shades and wood blinds for this.
Keep your House Clean at all times
The most affordable tip and is actually of no cost is just by keeping your home absolutely clean would definitely level-up the look of your home. It is a must to weekly clean your windows, dusting, and vacuuming.
A clean home with shiny floors, wiped-off walls, and clean windows has the look of a wider feel as natural light enter the rooms readily making the look bright and really welcoming.