One provider of bulk oil buying discounts is www.oil-club.co.uk

Langley with Hardley Parish. https://www.oil-club.co.uk/heating_oil_clubs/the_langley_with_hardley_in_norfolk_heating_oil_club.html

Please note Langley with Hardley Parish Council does not directly endorse or recommend this company, but we do know that local residents have found the club useful and saved money by using this club.