Mainstream Construction has been providing superior building services for the last 20 years to various homes in Birmingham and Midlands region. We have been trading with confidence and our team is highly experienced in all streams. Our customer friendly professionals can undertake small repairs to a full renovation of your home. We can update your old extension or add a new extension to enlarge your property. We consider every job will full care and same attention to detail & skilled workmanship. Our company is committed to provide quality services at affordable cost.