Areas We Cover

At Infil, we install a wide range of high quality uPVC windows, doors, and conservatories for homes across the UK. With over 40 years of experience, you can rely on us to get your next project done quickly and smoothly.

Any home can benefit from enhanced energy efficiency and safety. No matter if you live in Braintree, Gosfield, Colchester, or the surrounding areas, you can benefit from our bespoke double glazed products.

Double Glazing Braintree


We can provide windows and doors around Braintree and the surrounding areas.

Conservatories Gosfield


We can provide windows and doors around Gosfield and the surrounding areas.

Patio doors Halstead


We can provide windows and doors around Halstead and the surrounding areas.

conservatories sudbury


We can provide windows and doors around Sudbury and the surrounding areas.

Wide Variety of Stock

We’re not tied to any particular manufacturer, so if you want a wide range of options and a design that is made just for you, you’ve come to the right place. We offer a wide range of windows, doors, and conservatories, from timber-like flush casement and sash windows to modern composite doors. At Infil, you can find something to suit your needs whatever the style of home.

A-rated Energy Efficiency

All our windows come with an ‘A’ energy efficiency rating. Upgrading to our A-rated double glazing could save you up to £160 a year on your energy bills. No matter where you live, our products could help reduce your energy bills while keeping you warm and comfortable all year round.

Safe & Secure

Our windows, doors, and conservatories are all equipped with modern, industry leading multi-point locks as standard. All the locks across our windows are guaranteed to meet the British Standard requirements. Many of our products can also come with toughened and anti-shatter glass options for total peace of mind.