We supply and fit all types of UPVC windows, patio doors, replacement doors and conservatories.
We are based in St Helens, UK, and supply and fit double glazing throughout Lancashire, Cheshire, Merseyside and the Wirral.

All our double glazing replacement windows are glazed at 28mm thickness, quality double glazing with high security glass, reinforced with steel and high security locking system with shoot bolts.

All double glazing UPVC has a 70mm profile.

All our doors, patio doors and conservatories all have emphasis on security, being reinforced with Hook/Mortice locks new generation locks and double glazed as standard.

We also supply to trade all doors, patios, conservatories, soffets, fascias and trims.All our units are manufactured in our own factory to the highest standards.

In addition to being 'low maintenance' and long lasting, our external doors and window replacements are attractive to look at, improving the appearance and value of your home.

Double glazing is efficient.The energy efficiency of our glazed units is a proven fact, and the benefits will be noticed immediately. Your home will be warmer and your heating bills lower.

For a detailed quotation, please complete the enquiry form

Why should I invest in UPVC Replacement Windows?

One of the weakest points in the energy efficiency of the average home is the window area. The single sheet glass in a standard window is a poor "thermal insulator", and allows a great deal of heat to pass from warm spaces to cooler spaces - meaning that the house gets cold in winter and hot in summer! d-g solves this problem by having two sheets of glass separated by a sealed air space between them. This provides thermal and sound insulation which exceeds that of single glass. The warmer inner pane minimises the incidence of condensation and prevents puddles forming on window ledges, which can stain woodwork or curtains. With our double glazing, the need for window cleaning is reduced. Down-draughts and cold zones are also reduced meaning greater comfort around the window.

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Phone 01744 759458