hallway lights advice please

[El girufo]

i am currently able to work my upstairs landing light from the downstairs switch, i want to install a 2 gang switch upstairs eo that i can control the downstairs light, the 2 light switches are connected by 3 core cable.

any advice appreciated.

thanks el girufo

 

[breezer]

you will have to run a 1mm 3core and earth from the downstairs light switch to the upstairs light switch.

in essence (good word for a monday) you need to duplicate what you have for the landing light, but for the hall light.