The best decoration for a house will always be the light. You can buy LED lights for your house. It will make it look brighter, and most importantly, it will help you save money because LED bulbs consume less electricity. Also, LED strip lights are a good idea. You can buy them from https://www.vont.com/product/smart-strip-lights-led-strip-lights/
. For example, you can install them in your bathroom or the bedroom around your bed. It will make the room look better and visually will make it larger.