New light switch

[Manoffire]

Oh ok sorry hears all the bits hope this is what you wanted

 

[flameport]

If you want it flush in the wall this:
https://www.toolstation.com/metal-box-1-gang/p14570

If on the surface this:
https://www.toolstation.com/crabtree-moulded-pattress-box/p24085

and a switch:
https://www.toolstation.com/crabtree-20a-dp-switch/p61802

 

[Manoffire]

Does this look right to you guys also I went with the metal back box should I connect the earth to that or to the switch? Thanks again for all the helpg

 

[EFLImpudence]

Yes, that's right.

Connect both earth wires to the switch.

 

[Manoffire]

Cool thanks for all the help

 

[DetlefSchmitz]

Using green/yellow sleeving...