Energy Performance Certificates Wath-upon-dearne, Rotherham - Welcome to the Wath-upon-dearne Energy Performance Certificates Directory listing recommended epc providers in Wath-upon-dearne. It lists those who offer energy performance certificates in Wath-upon-dearne, Rotherham. Do you have a Wath-upon-dearne business? If so, why not advertise it on the Wath-upon-dearne Business Directory - IT'S FREE.