We are sorry you have had to enter this page and that there is something you are not happy with. To resolve this in the best interest of all parties please find listed details of our complaints procedures.
As members of the Glass & Glazing Federation and The Glazing Ombudsman we as a company agree to work within their code of practice (please refer to our warranty page prior to proceeding on this page).
A) In the first instance The Glass & Glazing Conciliation Service
The GGF also provides a FREE Conciliation Service, should a domestic customer and a Member company not see eye to eye over work carried out.
In the rare cases that this does not work, the GGF has an independent arbitration scheme run by the Chartered Institute of Arbitrators.
Glass & Glazing Federation (GGF)
54 Ayres Street,
London,
SE1 1EU
GGF Customers Complaint Form (click here)
B) The Glazing Ombudsman Office (TGO)
43-55 Milford Street
Salisbury
Wiltshire
SP1 2BP
Tel: 01722 330122
www.theglazingombudsman.com
Email : [email protected]
Cristal Windows is accredited by FENSA, Which? Trusted Trader, GGF (Glass and Glazing Federation) and other leading industry bodies, ensuring top-tier quality, safety, and reliability for every installation.
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We offer expert installation of high-quality triple and double glazed windows, doors, bi-fold doors, patio doors, composite doors, conservatories, and roof lanterns. If your home is located outside of the areas we typically cover, feel free to give us a call—we’re happy to discuss availability and may still be able to arrange an installation in your area.

When you choose Cristal Windows for your local double glazing and triple glazing installations, you are not only choosing an ethical, professional and family run business, but also a window company that provides high-quality products. We take the utmost care when installing our range of windows, doors, and conservatories and are accredited by trustworthy schemes such as FENSA.
We offer installations to homeowners in Berkshire, Hampshire, or Surrey.