Our range of 1500 Litre Bunded Oil Tanks are suitable for domestic installations, as a rough guide these 1500 litre oil tanks are suitable for 2-5 bedroom houses. The most popular tank in this size range would be the Diamond 160HZB Bunded Oil Tank, a very competitively priced bunded oil tank with 10 year warranty. All Plastic Bunded Oil Tanks in this category have a at least 10 year manufacturer’s warranty, All Atlantis Bunded Oil Tanks have the market leading 12 Year Warranty.