No earthing on lighting circuit

Hi all, I've been asked to make an old 4 story townhouse "safe" and issue cert for renting out.
Hasn't been touched for so long it has bakerlite accessories with wood backing!
Straight away I'm seeing replace all accessories, replace CU, upgrade earthing. The wiring is all in PVC cables but typical no earthing on lighting circuits.
I hear you all scream "REWIRE"!
Problem is property is highly decorated and furnished and owners would rather not go down that route.
My question is, if I fit all plastic accessories throughout, and clearly state on CU and cert NOT to fit any metallic fittings. Can I get away with that?
Just asking as whenever I've come across this problem in past, I've always rewired lighting so bit unsure what complies.
By the way, I've done quick IR, ring loop tests, Ze etc and all ok, but how do you R1+R2 lighting with no earth?
 
Hi all, I've been asked to make an old 4 story townhouse "safe" and issue cert for renting out.
Hasn't been touched for so long it has bakerlite accessories with wood backing!
Straight away I'm seeing replace all accessories, replace CU, upgrade earthing. The wiring is all in PVC cables but typical no earthing on lighting circuits.
I hear you all scream "REWIRE"!
Problem is property is highly decorated and furnished and owners would rather not go down that route.
My question is, if I fit all plastic accessories throughout, and clearly state on CU and cert NOT to fit any metallic fittings. Can I get away with that?
Just asking as whenever I've come across this problem in past, I've always rewired lighting so bit unsure what complies.
By the way, I've done quick IR, ring loop tests, Ze etc and all ok, but how do you R1+R2 lighting with no earth?
Personally I would be advising that if you want it making safe then there is going to be some rewiring needed,the place may be decorated but that's not your problem, you have been asked to make it safe and I wouldn't feel like I have made it safe by installing fittings with no earth.
 
Maybe the printer had a lisp ?
Should that be 'lishp'?

Had a situation a while ago, I think I mentioned it on here, where I changed a CU for a friend. Wiring to one light under the stairs (I put it on it's own cct) had no earth. I showed the NIC inspector and he agreed it was OK, with appropriate label.
 
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KevinH,
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l4urence,
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