Our support for Ovo, Boost and Lumo customers

CSE is an independent national charity that offers free and impartial energy saving advice to householders. CSE provides this advice to customers of Ovo, Boost and Lumo.

CSE advise on what you can do to lower your bills and keep your home warm, including advice on:

• No-cost and low-cost tips.
• Appliances that use a lot of electricity.
• Using heating controls efficiently.
• Accessing grants for heating and insulation.
• Types of renewable technology that are available.
• Damp, condensation and mould.

Contact our advice team for more information and support. You can give us a ring, email or use our online form.

We're open 9am–5pm Monday to Friday.

If you're a customer of Ovo:
call: 0800 408 6601 or email: ​ovo@cse.org.uk

If you're a customer of Boost:
call: 0800 038 5688 or email: ​​boost@cse.org.uk

If you're a customer of Lumo:
call: 0800 038 5730  or email: ​lumo@cse.org.uk