front of a cottage or house that has Double Glazing windows and doors

Welcome to Infil Double Glazing Ltd

Experts in uPVC double glazing, doors and conservatories for over 40 years

If you are looking to improve your home, you’ve come to the right place. Infil is your local expert in uPVC double glazing, doors, conservatories, roofline products, porches and canopies. Our family-run business has been helping customers make the most of their home for over 40 years.

As independent installers, we offer a huge range of products from many different manufacturers. So, whether you’re looking to add a conservatory as a beautiful new room, revamp your house with new modern windows and doors or improve your energy efficiency or security, we’re here to help with our expert team of designers and installers.

Looking for some inspiration?

Take a look through our range of windows, doors, conservatories, roofline products, porches and canopies. And if you can’t find what you’re looking for, give us a call. We can source most materials, styles and colours from our large network of manufacturers and suppliers.

Window Installers, Halstead, Essex, Infil


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Door Installers, Halstead, Essex, Infil


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Conservatory Installers, Halstead, Essex, Infil


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Bi Fold Door Installers, Halstead, Essex, Infil

Bi-Fold Doors

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Porch Installers, Halstead, Essex, Infil

Porches & Canopies

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Roofline Installers, Halstead, Essex, Infil


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Cladding Installers, Halstead, Essex, Infil


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Special Offers, Infil

Special Offers

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Take a look at what our customers have to say.

Give us a call…

For a free quote, or just to answer a few questions, we are here to help. Give us a call on 01787 477231 or email

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