Would all bathroom light circuits have a live and a switched live?

[200sols]

If i wanted to run it on its own dedicated on/off switch I would. I was going to replace the 2 gang light switch on the landing with a 3 gang so that I could switch the fan on and off from the landing rather than rely on the timer and existing light switch.

But seeing as access to the existing light switch isn't possible from the loft i'm reverting back to running it as you say, by taking a feed off the existing light in the loft.

If you want it on its own switch you can just fit the triple pole as a pull cord in the bathroom and don't use the switched live.

 

[Cornubia]

If your carrying out alterations to the bathroom lighting circuit the circuit needs to be RCD protected. This can be determined by looking at your consumer unit.

 

[R.O.S.S.I]

If you want it on its own switch you can just fit the triple pole as a pull cord in the bathroom and don't use the switched live.

I didnt want a pull cord.