For energy saving advice and support
in the Bristol and Somerset area:
0800 082 2234

Full contact details

Centre for Sustainable Energy
St James Court, St James Parade, Bristol BS1 3LH
(Please note that we do not offer a drop-in service for energy advice.)


Contacting us by phone
We can only give free home energy advice to householders in certain areas or to customers of Ovo Energy and Boost. Select from the following numbers:

  • Bristol, South Gloucestershire, North Somerset: call 0800 082 2234 (Tues-Thurs)
  • Somerset: call 0800 038 5730 (Tues-Thurs)
  • Disabled or older people in Bath & North East Somerset: call 0800 082 2234 (Tues-Thurs)
  • Wiltshire and Swindon: call 0800 038 5722 (Mon-Fri)
  • Berkshire, and other areas shown on this mapcall 0800 038 6345 (Mon-Fri)
  • Ovo Energy and Boost customers: call 0800 167 0620 (Mon-Fri)

Our office hours are 09.00-17.00. If you call outside these times, or if all our lines are busy, please leave a voicemail. We return calls as soon as possible, and within 2-5 working days where possible. In periods of high demand our contact time maybe significantly longer.

You can also email us at home.energy@cse.org.uk or fill out the contact form below (and we'll give you a call back).

​Media enquiries please contact natashac@cse.org.uk


Priority Services Register

If you live in the green or blue areas, we can sign you up to your local priority services register if you're over 60 or you rely on electricity for medical or mobility reasons or you have a hearing or visual impairment or a long-term health condition.

Click here for details.