noggins in plasterboard wall

[green-hornet]

You could go better than wireless.

A ceiling mounted PIR or occupancy switch would work just as well if not better and there is no disruption to any decor.

 

[Adrian]

I'm surprised no one has thought about a pull cord

 

[Evans Electric]

I'm surprised no one has thought about a pull cord

Nice one !!! Applaud Smiley

 

[Andy™]

I'm surprised no one has thought about a pull cord

now that would be easier!

 

[wozz]

if we are going down that route, occupancy sensor?

 

[davetheglitz]

I've used these wireless switches - surprisingly cheap and good.

http://www.uk-automation.co.uk/index.php?manufacturers_id=77