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Cheers chaps you have given me a good range of ways to complete the job i appreciate all your input.

It is a tnc-s system and the earth and bonding are upto standard it is an mem board about 12 years old with some circuits protected by an rcd but not the lighting

Ok will do thanks for the advice

Yes I am but only recently qualified and not a lot of experience

Will an rcd switch be ok as there is no room in the board

Yes it is a new circuit that will be run I plastic trunking from fuse board in garage across ceiling through the wall to light fitting.

Does an outside light on an exterior wall of the property need to be protected by an rcd or can I supply the light by a 6amp mcb from the consumer unit using 1.5mm t&e cable to the outside light any help would be appreciated.

Does a new outside wall light need to be protected by an rcd and does it have to be switched .is it possible to run it on a 6amp breaker from the consumer unit to the outside fitting.would be grateful for any advice

Yes

I take it as 10mm t&e would be fine thanks for your help

12 meters clipped direct

That's correct

At present the mcb protecting the circuit is a 32amp type b with a 80 amp 63mili amp rcd protecting aswell

Is a 10mm cable with a run of 12 meters sufficient for a 15 kilowatt cooker.