Would agree that Gloucester are good,though the yellow paint trick showing the limit of the refuelling hose would be helpful .
Weston super Mare is good if you want a good all day brekkie and no landing fee other than entry fee to the Helo Museum but currently no fuel unless pre ordered ,and then Avtur only depending on whim of Mr S Tolley esq.However I gather both avgas and avtur may be available soon on a self help and pay basis.