Forget about wiring off o the switch, the only way to do this is if the switch is double pole which is switching the neutral too.
You need to take a cable from a ceiling rose,( through another switch if you want it switched separately ) to the new light.
When it's done it wants testing with the appropriate calibrated tester and certifying.
You may like to think you are competent but you know what they say , pride comes before a fall, so have another think about it.
You need to take a cable from a ceiling rose,( through another switch if you want it switched separately ) to the new light.
When it's done it wants testing with the appropriate calibrated tester and certifying.
You may like to think you are competent but you know what they say , pride comes before a fall, so have another think about it.