It used to be cheaper to switch to a fixed deal, but those are now more expensive due to high wholesale gas prices.
Most households should only consider a fixed deal if it's no more than 17% higher than the price cap rate, Martin said. He added that some people really value the price certainty offered by a fix, and in that case they could consider going up to 25% above the price cap.But you might be able to get a better deal directly from your supplier.In March, Octopus was
of tariffs below the April price cap, costing £1,950 for a household with a medium energy consumption.