Curtains or other window treatments in adjoining rooms don't have to be exactly the same, but similar styles or colors will work well. In some situations, you might want to deliberately not match. For example, you might want to focus attention on a specific window or even a set of windows. The answer to this question depends largely on your personal preferences and what look you want to achieve in your home.
Generally speaking, using the same curtains throughout the house can create a unified, consistent look that can be very attractive. Depending on the size of the house, this can be especially useful for joining different rooms together and, at the same time, allowing each room to retain its own unique character. On the other hand, using different curtains throughout the house can be a great way to give each room its own distinctive style and atmosphere. With the right combination of colors and patterns, you can create a much more dynamic look that can have a big impact on the overall style of your home.
By choosing different curtains for each room, you can also better draw attention to the unique architectural features of each room and, at the same time, achieve a coherent aesthetic. In the end, the decision to use the same curtains throughout the house or not is entirely up to you. Ultimately, the curtains you choose for each room should reflect your personal style and the look you're trying to achieve. Whether you decide to use the same curtains throughout the house or mix and match different styles, the important thing is to make sure you're happy with the end result.
It's possible to have the same colors for all the curtains in your room and, at the same time, maintain a beautiful look. On the other hand, you can still mix and match the colors of the curtains in your rooms and achieve an even better look. The uniform look can increase the overall effect of the decoration scheme and make the house look coherently organized. However, using the same curtains throughout the house can also be a great option, depending on the style of decoration you want to achieve.