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residence collection casement window


All uPVC windows from Double Glazing Essex achieve a minimum A rating for energy efficiency. Their multi-chambered frames are designed to insulate your home and help to create a window that easily exceeds Building Regulations requirements for thermal performance. Able to achieve extremely low U-values, uPVC windows will help to insulate your home, reducing heat loss and potentially lowering your heating bills.

Vertical sliding window lock


For uPVC casement windows, multi-point locking systems are fitted as standard. With our uPVC sash windows, you get sash locks, lifts and travel restrictors on every window. All our uPVC windows are rigorously tested to ensure only the best in-home protection. Their secure design will give you, the homeowner, peace of mind that your property is safe and secure.

Feature authenticity


uPVC windows are an attractive enhancement for any home. They are available in a selection of stylish colours and can be specified with a realistic woodgrain effect finish. Whether you live in a traditional property or a more modern home, at Double Glazing Essex, we’re sure to have the perfect uPVC window to complement your home.

Frequently Asked Questions

What is the average price of uPVC windows?

As of 2023, the cost of new uPVC windows in the UK typically falls within the range of £500 to £1,700 each. Among the various window styles, casement windows are generally the most budget-friendly option, while bay windows tend to be the most expensive.

What is the lifespan of uPVC windows?

Usually having a lifespan of approximately 20 years, though subject to variation from 10 to 35 years based on maintenance and quality, if your uPVC windows were set up around 1999, it is probable that they might require replacement or, at the very least, some repair work at this point.

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  • Double Glazing Essex Ltd
  • 101 London Rd
  • South Benfleet
  • SS7 5TG
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What our customers say about our service


"DG Essex ltd installed complete window, soffit and fascia and cladding to my home in an excellent and professional manner. I rate this company highly."

- Customer in Benfleet


"The workmen arrived on time. Were polite and tidy. Friendly and discussed work as it progressed. Job looks good and site was left tidy - professional."

- Customer in Benfleet


"Removed existing windows and doors and replaced with high quality PVCU double glazed windows and doors"

- Customer in Benfleet