British gas prices inched up on Tuesday as demand stabilised after temperatures fell again following last week’s mild weather. Britain’s Met Office forecast temperatures would be between 7 to 10 degrees on Tuesday across the country, with the skies expected to be cloudier across parts of northern and eastern Britain at night. National Grid data showed supply was forecast at 203 million cubic metres (mcm) on Tuesday, while demand was seen at 209 mcm, showing the system was undersupplied by 6 mcm. Analysts at Thomson Reuters Point Carbon said a switch from withdrawals to injections of gas at Britain’s main gas storage site Rough also provided support for prices.