Domestic radiators can make clicking and creaking noises as a result of the expansion of metal as hot water flows into a radiator. As such, radiators making a clicking noise can be a very common occurrence.
These radiator clicking sounds are to be expected when a home heating system is switched on or off, and therefore there isn’t any real need to seek out a cure unless the sounds develop into something of a different ilk.
To find out more, take a look at our dedicated blogs, Noisy Radiators: Diagnostics and Cures, and How To Cure A Noisy Central Heating System.