1200 Litre Bunded Oil tanks are suitable for a large proportion of domestic oil tank installations. As a rough guide, a 1200 Litre Bunded Oil Tank is suitable for domestic installations for a 2-4 bedroom house. Our 1200 Litre Bunded Oil Tanks include the Harlequin 1200HQI Low Profile Oil Tank and the Carbery 1100RB Oil Tank. All Plastic Bunded Oil Tanks in this category have at least 10 year manufacturer’s warranty. All Atlantis Bunded Oil Tanks have the market leading 12 Year Warranty.