Terms & Conditions

  1. The Christmas Crackers Web Campaign includes the following promotional offers: 
  • Free EPS sockets with installation when customers quote EPS26. 
  • Free bird proofing when customers quote BIRD26. 
  • Save 10% on battery-only installations when customers quote BATTERY10. 
  • Free upgrade to a Voltsmile W1 10.24kW battery when customers quote VOLTW1. 
  • Save 10% when booking an installation scheduled for January using code JAN26. 
  1. Offers cannot be used in conjunction with any other promotion, discount, or incentive. Only one offer valid per customer, per installation.  
  1. All offers are valid only for new installations booked between 5 January 2026 and 31 January 2026. 
  1. Promotional codes must be supplied at the time of enquiry or quotation. Codes cannot be added retrospectively once an order has been placed. 
  1. Offers are subject to survey and availability. Additional works or non-standard installation requirements may incur extra costs. 
  1. The free upgrade to a Voltsmile W1 10.24kW battery is only applicable where a compatible system is being installed. 
  1. The 10% battery-only installation discount applies exclusively to battery installations and does not apply to full solar PV system installations. 
  1. The free bird proofing offer applies to standard bird-proofing installations. Complex roofs or specialist access requirements may incur additional charges. 
  1. SolarTherm UK reserves the right to withdraw, amend, or replace any offer within this campaign at any time without prior notice. 
  1. Offers are available to UK residential customers only. 
  1. All installations are subject to SolarTherm UK’s standard terms and conditions of sale. 
  1. Offers are only available for new installations.
  1. By submitting this offer form, you consent to Silvercrest Energy Group Ltd contacting you regarding this offer and other relevant products or services. You can withdraw your consent at any time by using the unsubscribe link in our emails or by contacting us directly. For full details, please see our Privacy Policy.