Is a boiler service worth it?

It is recommened that your gas boiler is serviced every 12 month, as well as ensuring that the boiler is working correctly a clean boiler can save you up to 5% on your gas bill, with the expensive cost of gas this can be more than the price of an annual service, also by servicing the appliance any leaks or sticking part can be rectified before they cause a fault resulting in a breakdown repair.