I was with my dad when we did this and I suggested we take a photo but he said he didn't need it! The yellow and brown is earth yes and I have screwed it at the back of the metal box. The old dimmer was working ok before so am guessing it may be the wiring on the new dimmer.
The red was swapped so have swapped it over so that now all three colours go to one of the purple boxes at the back and the other 3 colours go into the purple box next to it. The same issue is still there though.
Thanks so much for your reply and your diagram. I will have a look at the other switch by the bed. I did take it off yesterday and remember seeing black and red wires so it is different to the switch by the door.
I have changed my 2 gang dimmer switch in my bedroom for a leading edge one which is better as there is no buzzing noise. There are 2 lights in my bedroom and two 2 gang light switches. The 2 gang dimmer is next to the door on the wall and the other standard 2 gang switch is next to the bed on...
We bought a house a few years ago and the chimney breast had been removed upstairs and downstairs. The remainder of the chimney in the loft is supported by a metal support screwed into the wall underneath.
The hearth in the upstairs bedroom has just been left sitting on the joists. We are...