British Gas
About British Gas
British Gas is the biggest energy supplier in Britain's domestic market. Operating under the British Gas brand (Scottish Gas in Scotland), it has more than 15 million gas and electricity customers in the UK. British Gas also operates the Sainsbury's Energy brand. Customers of both brands are able to collect Nectar points each year, as well as for actions like switching payment method or giving their own meter reading.
British Gas is a subsidiary company of the Centrica Group, a British-owned company.
Could you save by switching to British Gas? Compare energy prices now.
British Gas customer satisfaction survey results
| Area of performance | Star rating |
|---|---|
Which? customer score |
39% |
| Customer service |
|
| Value for money |
|
| Bills |
|
| Complaints |
n/a |
| Helping you save energy |
|
| Helping you save energy |
|
British Gas customer score
In October and November 2013 we surveyed 8,525 UK adults, who pay for their household energy, about their experience with their gas and electricity suppliers. For British Gas, we received 2,279 responses.
Customer scores are based on overall satisfaction and likelihood of recommending to a friend. This survey is the largest one of its kind conducted in the UK.
For a full round-up of the Which? Switch energy satisfaction survey results, see our customer satisfaction survey results page.
British Gas fuel mix disclosure
All suppliers have to provide information about the mix of fuels they use to generate the electricity supplied to their customers as well as its environmental impact.
British Gas fuel mix
Coal: 26%
Natural gas: 34%
Nuclear: 38%
Renewable*: 10%
Other: 2%
* Wind, hydro and solar power.
About the Centrica Group
Centrica's main operations are in the UK, North America and Europe. It also operates in Trinidad and Tobago, Egypt and Nigeria. Its core retail brands are British Gas, Luminus and Direct Energy.
Contact Information
Customer service number for existing customers - 08000480202
Contact Which? Switch by phone
You can call us on 01259 220 235.
Energy Customer Satisfaction Results
Tired of poor customer service from your energy supplier? Use our Which? energy satisfaction survey results to help find the best tariff for you.
Latest tariff updates
Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.
About Which? Switch
Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.