central heating noise

About this time last year, I installed some lovely new cast iron rads, replacing the previous old skool skirting heating. The strange piping takes some explaining so bear with. The original pipes come out of a wall sketched on the right hand side of the pic. I needed to run new pipes behind...

Hi there, I have a 10-15 year old Worcester Combi Junior 24i that kettles only on Central Heating cold start. This winter is the first time it's started doing it. When it kettles, if I turn off the boiler via the thermostat for a few minutes then turn it back on again it runs no problem until...

We have central heating pipes in the wall of our bedroom that are plastered in. When the heating is on they make an intermittent but frequent ticking noise which is loud enough to wake us up. I have read that with ticking pipes under floorboards the best thing to do is put felt around them, but...