Opal Building Co. is a design and build contracting company serving London, Ontario and surrounding areas with expertise in residential design, renovations, additions and new building and construction. We take pride in our craftsmanship and go the extra mile for our clients to provide them with the best possible experience. Whether you need a kitchen renovation, bathroom remodel, home addition, or a complete custom build - we have you covered. Our team of licensed and certified basic professionals can assist with any type of home remodelling. Get in touch for a quote today!