Smoke/heat alarm requirements on a rewire?

What are the smoke and fire alarm requirements when carrying out a full rewire on a domestic property?

I’ve had my napit assessment today at a families house that I rewired last year tested everything is good. But the assessor mentioned that fire alarms systems with a minimum of LD2 system is required if you rewire an entire property.

I can’t seem to find any information on this. Can anyone point me where to look on the type of systems required for different types of properties please?
 
unless its a new build or the customer requires it or advise it.
It’s not a new build no, I wouldn’t say they require it but I did advise to put some in but he said no he doesn’t want any he will buy some battery ones himself. So it’s not actually a requirement?

Should have asked the assessor where it is stated.
He said it’s not in the bs7671 but it’s somewhere in the building regulations. I’ve tried to look for it using the find in a page tool on the browser using keywords but cannot find any information.



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He also said on an EICR with no RCD protection if cables are buried less than 50mm it’s a C2 but I questioned it and said wouldn’t that be a C3 because at the time it complied with the current regs and did not need RCD protection? He was saying to me if you’re between 2 options on coding then go for the harsher option as you are covered if anything goes wrong. He brought up the reasons why RCDs are out and the story about that member of MPs daughter dying.
 
He also said on an EICR with no RCD protection if cables are buried less than 50mm it’s a C2 but I questioned it and said wouldn’t that be a C3 because at the time it complied with the current regs and did not need RCD protection? He was saying to me if you’re between 2 options on coding then go for the harsher option as you are covered if anything goes wrong. He brought up the reasons why RCDs are out and the story about that member of MPs daughter dying
its a pitty you shoud have pulled what the NICEIC REGARDING NO RCD code 3 IET absence of protective rcd cables buried in the wall .
 
I just used to argue with them. If I was told that I just wouldn't agree with them no matter how much they waffled on as to why it was a Code 2.
Should have asked where it was in the Building Regulations or if you have their email ask them now.
 
its a pitty you shoud have pulled what the NICEIC REGARDING NO RCD code 3 IET absence of protective rcd cables buried in the wall .
Yeah he mentioned something about the niceic giving it a code 3 can’t remember what exactly he said, he was waffling a lot lol sometimes going in circles. Was a nice guy though.

Should have asked where it was in the Building Regulations or if you have their email ask them

Yeah I’m going to have to call them up tomorrow because that bugged me when he told me that. I was thinking ffs I now need to try get hard wired smokes and heats in a fully furnished house, to be fair most would easy enough.
So from what you’re saying of there’s no regs or anything stating fire system is needed?
 
Yeah he mentioned something about the niceic giving it a code 3 can’t remember what exactly he said, he was waffling a lot lol sometimes going in circles. Was a nice guy though.
I doubt that would come out of him, saying NIC they would put a code 3,
What should have said IET would give it a coded 3, they can't make up the own rules, when the IET make the Bible.
 
I doubt that would come out of him, saying NIC they would put a code 3,
What should have said IET would give it a coded 3, they can't make up the own rules, when the IET make the Bible.
I mean the coding thing is supposed to be an engineering judgement to a certain extent so the way he was explaining it I get why he would c2 no Rcd for cables less than 50mm. If someone drills into a cable and it pinches only the live and they touch the metal casing of what they put up and an exposed conductive part then they could die I guess which is basically the example he gave me about the MPs daughter.

So just to touch on the topic of the thread… the thing about needing LD2 fire system on a rewire is nonsense? I’ve just looked through aicos website and it mentions LD2 is a minimum in Scotland and wales but not England.
 
It is nonsense unless the building has had extension works or has undergone a material change then smoke detection is not a necessity albeit I would have probably put it in place. I believe the minimum for your average dwelling is Grade D2 Category LD3 according to Approved Document B.
 

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