SMS Contracts is your builder & roofer in Belfast, Down. We are your local building experts. From building an extension to fixing your roof, you can count on us. We provide service from new builds to general property maintenance and we can make the most of the space in your home with an extension. We'll help you take good care of the roof over your head. We'll only use high quality materials and we always work hard and pay close attention to detail, so you don't need to worry about a thing.