thanks for all the replies, sorry i've not had chance to reply earlier.
The tank is buried in the garage at the moment, but will post a photo when i get chance.
The dimensions are as follow's
Length 800mm
Width 550mm
HT Overall 450mm
Usable ht 240mm
Sealed hinged lid, Gas burner complete with Gas bottle.
Will fit in a small van, such as vauxhall combo.