Choosing the correct style or colors for your home is not an easy task. If you have no idea about residential interior design, it’s easy to go wrong way. With wrong style & wrong colors your home can look weird.
You need good professional advice for designing your home or if you want total renovation, but be careful sometimes professional designers can also get it wrong. So before hiring any professional designers please check his/her background & past work. Now the question is how do you hire a professional residential designer? You can search them on internet. There are so many residential designer listings in a directory. Some professional designers also have their own website. You can also ask your friends and relatives, or you should also be able to find a good range of magazines on this popular topic. When you speak to a designer they should have an idea of what styles you like and don't like, thus avoiding being snowballed into something you are unsure about.
If you just want to update your home interior, than you can try your self. Remove old accessories and themes from your home and try some new & latest home accessories like a couple of throw rugs in contrasting colors, new lampshades, or even tall side lamps instead of using the overhead lights. Lighting is main effect for you home. Every one has own personal taste so you should follow your decisions, but it isn't a bad idea to avoid going with current trends. You can also go for classic colors and styles that reflect comfort and an inviting atmosphere. Once you have set new accessories and furniture, then you can start thinking about other things.
You can read more here for more advice on choosing interior designer, and also find some top residential interior designers as well.