I'd guess about 100 degrees lower than water, but I'm not sure what gas they
supply these days, propane methane?

May well be some kind of electronic component involved which detects
flooding and cuts the supply as a lot of meters and appliances rely on
electricity to function.
Brian

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This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"tim..." wrote in message
news
The box that surrounds my gas meter has got half full of water, which has
now frozen solid around the supply pipe and on/off handle (quite why the
box doesn't have a drain hole in it, I have no idea)

Consequently, I now have no gas supply into the flat.

But that can't have frozen the gas, can it? The ground may be covered in
snow, but it's only 1 or 2 degrees below zero out there.

(Gas board contacted, will be here within the hour - impressive if they
are)