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They came round today and put a second layer and skim on the bit and cleared up the worst of the splashes. I've left the rubbish seeing as they never promised to get rid of it. Overall it's a pretty good job I guess. They were Brits, by the way, and I don't know whether I paid over the odds...

thanks for that. in the main room there's one part of the ceiling that's lower than the rest but it's still a ceiling and it's only got one layer of board on it, so it's part of one room but 4-5sqm in total, so not that small. sounds like i should ask him to put a second layer of board on...

Hi, Can you put lightswitches for normal mains lighting circuits in the side of a permanent, built-in cupboard? Inside the door to the main room there is going to be a floor-to-ceiling cupboard made out of timber and MDF. The obvious place for the lightswitch would be in the side of...

Hi, I've moved all the walls in my flat (have Building Control signing off removal of the load bearing wall) and am coming to board the new stuff. The old walls all had two layers of 12.5mm plasterboard on them. Is that necessary for an internal wall? Is there a problem with only one...

Yes, it's a very puny demister - 28W - so fan shouldn't even notice.

Blimey guys you've been busy. I've completely lost track of who likes who. I'm definitely not in a position to work out what's what so will just say a general thanks to anyone who's chipped in on the electrical side of things. I can see that mixing circuits within one DP switch could be...

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Ok, think I'm narrowing down my options. One last question: can you have a switched FCU inside a cupboard (under a basin or inside housing for toilet cistern and macerator) inside a bathroom? That's the last easy option... To answer yours: The light switch will be at normal height...

Thanks very much John, I see what you mean. I'm just thinking of safe operation, rather than maintenance. I'll have to re-route it all off the lighting circuit. I was going to put the FCU down at knee height under a desk in the next room though, which is going to use a lot of cable. Are...

Yes, the fan manufacturer's instructions were for a double pole FCU before the live and switched live divide. The FCU on the original diagram is intended to satisfy this. Which regulation would my original design break? I can run it all through the lighting circuit but it's a real pain to...

I've got a bathroom fan with a timer. The best place for a 3A isolating FCU is very near a ring main, but I'd like it to be controlled with the lightswitch, with a switch next to it offering over-ride of the fan. This will work electrically: But is it ok with regs? Will they be ok...

Ta for that, sorry I got the drawing wrong. Yes, it's not a great drawing in terms of showing exactly how things will terminate. Yes, the fan probably does need a 3A fuse; I'll have to think about how to get one in. Guess I could just put an unswitched one somewhere accessible up in the...

Sorry, this was an old design, I tried to upload the new design, where the common does not run through the lights but only the switches, but it seems to have gone back to the old one. Here is the image I meant to upload: Sorry for the confusion.

Haven't done lighting before but this is the plan. It is being inspected by Building Control though. The lights I'm using are some wall lights (the 'W' on the diagram), and downlighters. The wall lights don't have space for a common so I've had to run that from switch to switch. Wall...

Yes, I'm fitting 100mm RWA45 in the voids, then two layers of acoustic plasterboard off resilient bars underneath the joists. That should definitely cover the regs, but I'm happy to do so because I want good sound protection. How about the downlighters though...?

Thanks very much, that's pretty much cleared it up. By making sure joints don't overlap I meant that the joins on the first layer are in a different place to those in the second layer. I thought you were supposed to use two layers of plasterboard. On the ceiling I'm doing it for...