Guides & Information

» Window Installer

[Top»] What is FENSA?

FENSA stands for Fenestration Self-Assessment Scheme, and has been set up alongside the Glass and Glazing foundation (also known as the GGF) to ensure the high standards of fitment quality provided by a window or door company. A Windows Installer may be registered to FENSA as a sign of competence and of the quality that they provide. To find out more and check if a Window Repair Engineer is FENSA registered, go to

[Top»] Why should I use a Windows Installer?

A Window Installer will be able to help choose designs for the window frames, selecting material properties and colour, and then also the glass pane design, from simple plain panes of glass, to leaded glass designs and maybe even stained glass.

Another advantage to using a Window Installer is that they have the knack of fitting new frames and glass panels. Also, the Window Installer will have all the relevant tools to ensure that the window is fitted correctly.

[Top»] How much does it cost?

Well, depending upon what window design you would like, and then also the frame and its material will depend on the final cost. Some pane designs such as stained glass and leaded glass will cost more than plain panes of glass.

[Top»] When should I use a Window Installer?

A Window Installer should be used when you wish to have new window frames installed; these can either be replacements or new installs on a property. It is advisable to use a Window Installer because it is essential that the window frames fit snugly, to ensure that heat loss is minimised.

[Top»] The Glass and Glazing Federation

The Glass and Glazing Federation (GGF) are a trade association responsible for representing companies who manufacturer glass, such as energy efficient windows, doors, conservatories and all other areas of glass work. Members of the GGF are required to raise the standards of their industry and offer independent arbitration.