Crystal No Quibble Guarantee

We hope you've already got a positive understanding of the kind of company we are and the way we do things! However, we also understand that you need to have absolute confidence in the supplier of your replacement window and door products. To enable you to gain that confidence, Crystal® have a jargon and "small print free" window and door product guarantee:

Ten Year No Quibble Guarantee

If you ever need to have us back to carry out post installation rectification work you'll find we do it willingly and without fuss - because the best sales people we have for Crystal® are the 90,000 (and growing) satisfied customers who know for themselves that we stand by our word and we stand by our workmanship.

In the post installation customer research that we have now conducted for over 6 years, our No Quibble Guarantee always comes out as the most popular feature of Crystal® product and service.

Insurance Backed Guarantee Scheme

Crystal Windows and Doors Limited is a member of the GGFI Insurance Backed Guarantee Scheme, providing independent insurance for deposits and guarantees issued by Crystal Windows and Doors Ltd.

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