Smelling gas is an interesting, and often confusing situation to find oneself in.
When I was having my (nightmare) extension built, we could often smell gas and the (rogue) builders kept assuring me that all was well. Sometime later, worried by the continued smell, I called the emergency gas number and to cut a long story short, the builders were criminally negligent, we were lucky not to be killed, and they were lucky not to be banged up in prison.
Sometime later, I smelled gas, had it checked out, and was told by the technician that it was just my boiler firing up and it was normal. Fair enough.
One night last week, we were sat outside The Gresham Bar waiting for DaveR, and once again I smelled Gas, quite strongly for a few minutes. I reported it to the barman, who shrugged his shoulders and was not too interested.
How is one to know when an incident of smelling gas is crucial, compared to one that isn't?
One's LIFE can depend on the answer to that.
I have posted on this Forum before about the GAS SAFE sticker on plumbers vans. Many have one, but many of them are fraudulent and criminal.... as there is NO REGISTRATION NUMBER beneath the sticker. That number is the certification they need to operate legally.
Take heed of this, as many GAS SAFE plumbers in the Llandudno area, are not what they seem.