Crystal Service & Support

Crystal® offers efficient customer support and product after-care.

All Crystal® window and door products come with a comprehensive 10 year "No Quibble" guarantee, meaning that in the event that you suffer problems with our products (aside from accidental breakages) we have a dedicated service team at your disposal along with a comprehensive website FAQ section which will help you to a speedy resolution. (Our No Quibble guarantee extends to other products that we offer although the terms on Garage Doors are different).

Product Queries

If you have a simple question on your products such as lock operation, condensation or maintenance, before contacting our service department, why not consult our product support FAQ section to see if we have already dealt with a similar request before?

If this doesn't solve your problem, please arrange a service call, where one of our service staff will contact you directly to discuss your problem in detail and arrange a resolution or engineer's appointment.

If you have any questions or concerns with regard to your: sales appointment, installation, survey, payment, contract or FENSA documentation, please contact our customer services department.

Crystal Windows and Doors Ltd / 11 King George Close / Romford / Essex / RM7 7PN
act as a credit broker and not the lender and offer products from a range of financial providers with whom we have a commercial relationship

Crystal Windows and Doors Ltd is authorised and regulated by the Financial Conduct Authority.

Double Glazing & Conservatory Ombudsman Scheme (DGCOS) is our Alternative Dispute Resolution (ADR) body for unresolved Consumer Complaints. In relation to unresolved financial complaints, the Financial Ombudsman Service may provide some assistance, please refer to their website at for further information
Consumers are able to obtain a copy of the consumer code by following this link

COMPANY REG No: 3086714 / COPYRIGHT © CRYSTAL WINDOWS 2016 / VAT No: 796370191