County Windows bi-Eco double glazing units are specifically manufactured to be a preferred alternative to triple glazing providing the high thermal efficiency with out the extra cost.
The higher cost of Triple Glazing  is a result of additional frame material and glass that also increases the weight, which is a factor during installation.
With bi-Eco windows you can achieve the kind of U values or thermal efficiency that is typically met by triple glazing, without the extra cost.
Opting for superior double glazing means you won’t have any of the drawbacks that you may encounter with triple glazing, such as impaired visibility and reduced light from having 3 panes.
The casement window style is typical of modern uPVC double glazing, complementing most homes with simple, yet smart design.
A versatile window with a choice of styling options and colours.
A uPVC Double glazed window ideal for providing an easy to clean large glazed area with excellent ventilation.
Range of colours and customisation options.
Vertical sliding sash windows, all the benefits of modern uPVC double glazing with the elegance and character of the period.
ascetic options including sculpted Georgian bars and fittings.
High quality double glazing, designed to replicate period window styles.
Ideal for premium properties and window replacement in conservation areas.
Our uPVC double glazed windows are all made to measure on a project by project basis with a wide range of bespoke options
Create a unique style for your home