Established in 1983, we have the knowledge and expertise needed to ensure that you receive nothing but the best service. Our reputation has been developed through hard work and reliability which is why we are the area's number one choice for all domestic oil fired appliances. Whether you are a private customer looking for a personal service, a landlord looking for someone to look after your complete oil heating needs then GLB can deliver what you need. Worcester Accredited installers are recognised domestic and commercial heating companies that meet or exceed the standards of sustained quality of installation, service and customer care.