If your central heating is not working you may want to bleed your radiators and check your thermostatic radiator valves before calling out an engineer. This step-by-step guide will tell you how to check both of these.
Air inside your radiator can stop it from working, giving the impression that your central heating has broken.
Follow these simple steps to bleed your radiator
Note: It might be best to have a cloth in your hand when doing this to prevent dripping on your floor or thermostatic radiator valve.
If your radiators are cold it may be because your thermostatic radiator valve is set to low. A thermostatic radiator valve is located near the bottom corner of your radiator. It is a cylindrical shape with numbers on it (normally ranging 1 to 5), the higher the number you twist the valve to the more hot water will be let into your radiator.
Follow these simple steps to thermostatic radiator valve: