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Black aluminium casement windows

Our Accreditations at Double Glazing Essex

We believe accreditations speak volumes about a company's professionalism and reputation. Respected third-party organisations give accreditations to highlight that a company and its staff have taken part in all the required training to facilitate the necessary standards of quality.
A selection of well-known industry bodies accredits Double Glazing Essex as we want to give our customers confidence that they are working with competent and experienced tradespeople; the following associations endorse us.

Fairtrade certification is a product certification system. It covers social, economic and environmental aspects of production that are certified against Fairtrade Standards for Producers and Traders. The Fairtrade system monitors the buying and the selling of the product until it is consumer packaged and labelled.

HomePro Insurance
HomePro provides an extensive range of insurance and guarantee services. From home insurance and new installation protection to insurance-backed guarantees and mortgage protection, HomePro is fully regulated and offers a safe and established homeowner-focused service. They also have one of the largest fully vetted installer databases to help you to connect with reputable tradespeople in your area.

Essentially, Certass has inspected our team of installers and surveyors to ensure they are competent in their work and have certified that our team meet the high standards of Certass.

An NVQ is a work-based qualification that recognises a person's skills and knowledge to do a job. The individual needs to demonstrate and prove their competency in their chosen role or career path showing they have the quality skills required for the job.

GQA Qualifications
The GQA CSCS Q-card indicates a cardholder has demonstrated knowledge and skills by national occupational standards, with information on achievements and any related GQA-accredited training.

Fully accredited services
using quality window and door solutions

Though our team is small, we make no half measures when it comes to performing installations that are certified to meet the highest of standards.

Such high levels of installation can only be matched by our collection of windows, doors, and replacement conservatory roofs, all of which exceed Building Regulation requirements relating to energy efficiency and security. We fit products to keep U-values nice and low creating a more comfortable living space to be in.

Double Glazing Essex understands that variety is the spice of life and so we have made it our mission to feature a plethora of attractive and high performing windows and doors. Comprised of both uPVC and aluminium systems, we can accommodate and cater for almost any style of home alongside most personal tastes and preferences, so whether you’re looking for flat roof lanterns, a lightweight tiled conservatory roof, or aluminium entrance doors, you shouldn’t hesitate to choose Double Glazing Essex.

Fully accredited installer

Fairtrades logo Homepro insurance logo CERTASS logo NVQ logo GQA logo

What makes Double Glazing Essex Ltd unique?

  • Outstanding local reputation
  • Nearly 15 years experience improving homes
  • Family-run company for a more personable service
  • A wide selection of products to suit most tastes and preferences
  • Local knowledge of Essex and surrounding areas
  • Full aftercare service on the rare occasion it’s needed
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Pop into our showroom

  • 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