For those of us in England & Wales, the above is a P-I-T-A (or is simply ignored by many people, I suspect).

Anyway, this "solution" came up on one of my rss feeds. Its a bit clunky and geared towards american type switches, but made me smile ....

Quoting from hackaday....
"If you are interested in trying out some home automation, but donít want to get into the potentially dangerous area of hacking your house wiring"

http://hackaday.com/2009/01/19/servo-switch-assemblies/