Contact us

Initial enquiries/applications

After you’ve applied

If you’d like to speak to your Personal Customer Manager, simply call 0800 294 1945, Monday to Friday between 9am and 7pm.

Alternatively you can email us at:


or write to us at:

Nest Programme

Innova One

Tredegar Business Park

NP22 3EL

Should you experience any problems with your system, the numbers you will need to call are:

  • Gas, LPG and Electric Heating Systems - 0800 316 3715
  • Oil and Solid Fuel Heating Systems - 08448 797 240

If you experience a fault with an Air Source Heat Pump fitted under the scheme within twelve months of installation, please contact 0800 294 1945

Customer service and complaints

We anticipate that your journey with Nest will delight you. But we know there is always room for improvement so returning your customer satisfaction questionnaire after your inspection is complete really helps us.

However, if you feel dissatisfied in any way, our Customer Liaison Team can be contacted on our free phone number 0800 294 1945, by email at nestcustomerliaisonteam@centrica.com; or at the postal address above. We will respond to your query within five working days.