Home heating oil prices in Northern Ireland have risen dramatically in just a week as freezing temperatures take hold.
In the week from December 8 to December 15, the price of 900 litres of heating oil increased by around £80, from an average price of £766.16 up to £847.26, according to the Consumer Council.
For 400 litres, prices a week ago averaged £433.81 while they are now up to £484.53.