Ironically most people find their boiler breaks down at the most inconvenient time. The first time you switch your heating on ready for the winter or during a really cold period. Finding yourself without heating and/or hot water is like losing your mobile really, you just don't know what to do.
In this case, there are only a few options you can try as you have to be Gas Safe Registered to carry out boiler repairs. This is to protect you and your family really as any mistakes can be dangerous.
If you do try and carry out the boiler repair yourself or get somebody who isn't Gas Safe Registered, you may invalidate any guaranteed you have for the boiler or heating system
Things you can try if your boiler stops working:
Is there any gas? Make sure you have gas and this is working. (try a cooker).
Make sure you have electric: Check your electrical supply. You can also look if the boiler has any lights on and they are working.
The pilot light: Most modern boiler won't have this problem, but if you have an older type boiler make sure the pilot light is ignited.
Check the thermostat or room stat: If you have a thermostat on your boiler or located somewhere else in the property make sure these are turned up. You must also make sure your timer is set to on.
If all fails: Contact a professional boiler repair company who will be able to help you. If you require a boiler repair in Liverpool, you can find a Gas Safe registered engineer here.