British Gas Contact Number 0844 385 1133   Calls cost £0.05 per minute plus your providers access charge. You must be at least 18 years of age and be the bill payer or have the bill payers permission to use this service. We are not affiliated with this or any company listed on this website. When it comes to efficient energy, British Gas is  UK’s leading energy supplier with its wide ranging customers in England, Wales and Scotland. They have been …