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Bulb Contact Number: Energy Help & Complaints

Bulb customer service agent

Do you have a query for Bulb Energy? This guide breaks down all the Bulb contact numbers and email addresses to help you get in touch with the supplier fast. Read on to find out the best way for you to contact Bulb, depending on your query.


How do I contact Bulb Energy?

You can find the main Bulb contact numbers listed in the table below, as well as information for emergency and complaint services.

Bulb Energy Contact Telephone Numbers
Department Contact Number Opening Hours
Bulb Energy customer service 0300 303 0635 Monday to Friday: 9am-6pm
Bulb Energy complaints 0300 303 0635 Monday to Friday: 9am-6pm
Power cut 105 24/7
Gas leak 0800 111 999 24/7
Energy Ombudsman 0330 440 1624 Monday to Friday: 8am-8pm, Saturday: 9am-1pm

What is the Bulb contact number?

The Bulb contact number to speak with a customer service representative is 0300 30 30 635. Lines are open Monday through Friday from 9 a.m. to 6 p.m.

Upon calling the Bulb customer service number, you will be told to press one if you would like to sign up. For anything else, just stay on the line.

If you choose to stay on the line, you will then be given an estimated time for how long it will take for you to get through to a customer service representative. If you don’t have time to hold, you can then press one to request a callback.

Interested in joining Bulb Energy? Check out our complete tariffs guide for all the details about pricing.

According to Citizens Advice, it takes just over eight minutes to get through to an agent. Bulb Energy recommends calling its customer service number on Wednesday, Thursday or Friday between the hours of 10 a.m. to 12 p.m. or 3 p.m. to 6 p.m., as these tend to be the hours with the lowest call-wait time.

Some reasons you may need to dial the Bulb Energy contact number include the following:

  • To submit a meter reading
  • To pay a bill
  • To change your payment date
  • To transfer your account to a new property
  • To close your current account

You can also submit meter readings, pay bills, change your payment date and notify Bulb Energy you are moving via your online account. Check out our Bulb Energy login guide for details about how to access your account and submit this information online.

Is there a Bulb Energy free phone number?

old phone

There is not a Bulb Energy free phone number. As an 0300 number, the Bulb Energy contact number is a special type of landline phone number. Fortunately, the cost of calling this number is not linked with geographic locations within the UK, and it costs the same as calling a normal business or home landline.

To contact Bulb Energy for free, we recommend reaching out via the supplier’s live chat on its website. This service is available Monday through Friday from 9 a.m. to 6 p.m., and it typically takes around two minutes to get a response. You can also send an email to help@bulb.co.uk with your query.

What is the Bulb Energy contact number for complaints?

The Bulb Energy contact number for complaints is 0300 30 30 635. This number will put you through to a member of the customer service department. Lines are open Monday through Friday from 9 a.m. to 6 p.m.

Rather than dialing the Bulb Energy contact number, customers can also send an email with details about the complaint to complaints@bulb.co.uk, or write a letter addressed to Bulb, 155 Bishopsgate, London, EC2M 3TQ.

Once you’ve made contact with Bulb, the supplier will try to solve the matter within five business days. If your complaint remains unresolved for eight weeks, you can then escalate it to the Energy Ombudsman, a free and independent service that will review the complaint. To contact the Ombudsman, either call 0330 440 1624 or send an email to osenquiries@os-energy.org.

To learn more about how Bulb Energy handles complaints, check out our Bulb reviews guide today.

How do I switch to Bulb Energy?

To switch to Bulb Energy, you should call the supplier on 0300 30 30 635. Lines are open Monday through Friday from 9 a.m. to 6 p.m. You can also sign up to a Bulb Energy tariff on the supplier's website. You will need to provide the following details:

  • Your name
  • Your address
  • Your meter type
  • Your energy consumption

If you're not sure how much energy you consume, try using our consumption calculator.

Once you switch to Bulb, you will have a 14-day cooling-off period during which you can change your mind and the switch will not go through. After this two-week period, the switchover will happen within seven days. Your energy supply will not be interupted at any time.

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Emergency contact numbers

If you experience a power cut or smell gas, you should not call the Bulb contact number. Below, we break down the emergency contact details for such situations. Both of these lines are open 24 hours a day, seven days a week.

Got a power cut?

lightning bolt

In the case of a power cut, you should report it to your electricity network operator by calling 105. If possible, we recommend that you also take the following action:

  • Check the street lights to see if other areas are impacted.
  • Check that the trip switch in your fuse box is turned on. If it’s not, attempt to reset the switch.
  • Turn off any equipment that may present harm if the power comes back on, such as an iron.
  • Keep your freezer closed. Some freezers can stay cold for up to 12 hours if kept unopened!

Do you smell gas?

If you smell gas or need to report a gas emergency, you should immediately contact the National Gas Helpline by calling 0800 111 999. You should also do the following in the event of a gas emergency:

  • Put out all naked flames & turn off the gas supply.
  • Open doors and windows.
  • Do not turn electric switches on or off.
  • Do not use your doorbell or landline phone.
  • Do not smoke.

What is the email address for Bulb Energy?

The Bulb email address is help@bulb.co.uk. In your email, we recommend including as many details as possible, such as your name, address and account number.

Rather than sending an email, you can also submit a form on the Bulb Energy website. You will need to include the following details:

  • Your email address
  • The subject of your query
  • Details of your query
  • Attachments (optional)

Other ways to contact Bulb Energy

Besides calling or sending an email to Bulb energy customer service, there are a few other ways through which you can contact the supplier.

  1. You can write a letter and send it to the following mailing address: Bulb, 155 Bishopsgate, London, EC2M 3TQ.
  2. You can use the Bulb chat, its live chat service, which is located on the suppliers website. For this service, representatives are available Monday to Friday from 9 a.m. to 6 p.m.
  3. Social media users can reach out to Bulb via Facebook and Twitter (@bulbenergy).

Bulb opening hours

Bulb opening hours are from Monday to Friday from 9 a.m. to 6 p.m. The gas and electricity emergency services outlined above are available twenty-four hours a day, seven days a week.

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