There is no law which specifies where tanks should be sited but there is a lot of gudiance in our Codes of Practice and in Approved Document J which supports the Building Regulations. If you are concerned talk to your LPG supplier. If you are thinking of changing suppliers remember that individual companies may have different ways of doing things but they will all have safety as a first priority.
In this Section
The trade association for the LPG and bioLPG industry in the UK