How brain dead can you get? Any closed space were there is a gas meter needs to be ventilated by modern regulations. Be it a small box or a room within the house.
That is one of the reasons why gas meters are now in boxes outside. No-one wants holes in the wall.
Which regulations apply to my meter?
The bit that says this:- (6) Where any installation pipework is not itself contained in a ventilated duct, no person shall install any installation pipework in any shaft, duct or void which is not adequately ventilated.
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