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Black aluminium casement windows


Simple but effective, casement windows have been a British mainstay for decades thanks to their ability to seamlessly tie in with any style home. Their multi-chamber frames ensure that precious heat is never able to escape, with easy opening and closing making it effortless for living spaces to be well-ventilated.

white vertical slider

Vertical Sliders

Featuring a sash that slides easily up and down rather than outwards, vertical sliders represent an inherently classic design that provides any home they are installed with a vintage charm. They’re always highly efficient and easy to operate.

heritage residence 9 windows

Residence Collection

Considered to be the industry’s most convincing and authentic timber-effect uPVC system, windows from the Residence collection allow homeowners to enjoy a true sense of ‘history without the hassle’. Once installed, they give off the look and feel of timber without the need for heavy maintenance or infestation risk.

white triple glazing

Double Glazing & Triple Glazing

All windows we install can be double or triple glazed to help maximise the levels of acoustic and energy efficiency available in the home. Draughts and cold spots will be done away with for good and heating bills further reduced.

Useful Double Glazing Advice

Aluminium windows

Bespoke double-glazed windows for every Essex home

When you choose Double Glazing Essex as your window installer, you unlock a wealth of benefits. From high-performing products to extensive industry experience, excellent customer service, and outstanding professionalism, you’ll soon realise that you made the best choice for your homes quality replacement windows. Our casement windows provide living spaces with fantastic ventilation and they allow natural light to flood your home whilst creating the feeling of extra space. Our sash windows are energy efficient, easy to operate and highly secure, ensuring peace of mind that you and your loved ones are safe from any unwanted visitors.

Essex’s Window Replacement Company

Replacing windows is important if you want to invest in the long term and add comfort to your home. We offer many types of windows to suit any home. Our windows have top security features and energy ratings so not only will the new windows look good they will keep you secure while helping you with your energy bills. Come and visit our showroom today where you can browse our range of home improvement products for yourself including uPVC windows, aluminium windows, composite doors, French doors and Bi-fold doors– just to name a few!

How much do new double glazed windows cost in Essex?

New and replacement double glazed windows are very reasonably priced. The cost of the double glazed windows will depend on the window styles you choose along with the material they are made of. Please our glazing experts to find out how much your windows could cost.

Should I replace all windows at once?

It is most cost-effective to replace all of your windows at once. This is especially the case if your windows are over 20 years old. New technology means that replacing all outdated windows can save you money in the long run. Older windows can mean you are experiencing heat loss. This will cost you more money on heating bills. New windows can give you energy savings, making it worth replacing all the windows at once in most cases.

– Double glazing vs triple glazing

– What are the obvious signs that point to needing to replace your double glazed windows

– 4 Top features of the Residence window collection

Benefits of replacement windows Why choose Double Glazing Essex?
Improved energy efficiency Fully accredited installers
Enhanced aesthetic Extensive industry experience
Upgraded security Superior product knowledge
Increased property value Outstanding customer service
Find out more about our extensive product choice Contact us for professional home improvement advice
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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