Is a BIG question and one that can cause confusion when people make a booking. A single oven is a standard 60 cm width oven that has ONE cooking section. If your oven has more than one cooking section then it is either; a double oven - this is a standard size oven that also has a separate grill/smaller oven section. This type of appliance costs £78 a range style cooker - the cost for these depends on the width and what manufacturer it is. Costs for all cooke ...