Advanced Glazing Systems Ltd

Sash Window Specialists. Advanced Glazing Systems Ltd has been vetted and approved by TrustATrader. Covering Essex, Herts, London

07360 498061

Membership number TT148

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4.88 out of 5
867 reviews

Initial impression Initial impression: 4.87 out of 5.0
Punctuality Punctuality: 4.9 out of 5.0
Cleanliness Cleanliness: 4.83 out of 5.0
Quality Quality: 4.91 out of 5.0
Value Value: 4.82 out of 5.0
Overall opinion Overall opinion: 4.93 out of 5.0

Consumer feedback

Generated from the text of this trader's consumer reviews

Advanced Glazing Systems Ltd (AGS) consistently wins praise for delivering a smooth, professional experience from the first call to the finished installation. Customers regularly highlight Tyler’s helpful, knowledgeable support—often describing him as “accommodating and professional,” with “no pressure” sales and reassuring product advice—alongside efficient surveying and teams who are “clean and tidy,” punctual, and careful with finishes. Many reviews also mention the family-run feel, with reliable communication and strong aftercare, including a 10-year warranty and even fast help when a key issue arose.

What Customers Say

Communication & reassurance: Customers value the way Tyler and the office keep things moving—“no pressure, no constant calling”—with advice described as “5*” and “friendly and reassuring.”
Punctual, clean installation teams: Fitters are repeatedly praised as “punctual, polite,” and “tidy,” removing old doors without damage and leaving properties “cleaned up” after work.
Quality doors, windows & aftercare: Whether supplying heritage uPVC for apartment conversions or fitting front, back and aluminium bi-folds, work is described as “excellent quality” with reliable aftercare, including snagging visits and guidance whenever needed.

0 missed appointments in the past 6 months

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About Advanced Glazing Systems Ltd, Brentwood

AGS are the experts in all areas of glazing home improvements and we want to help you create your dream home.

We are much more than the average double glazing company and we are confident that you will notice a real difference between AGS and our competitors.

We do not use agents on commission, that would typically try to bully you into a sale you were not comfortable with. We let the product speak for itself and our friendly professional staff are more concerned with you receiving the best possible customer service and a high quality product that is right for your home and budget.

We work harder and go the extra mile to offer discerning homeowners the highest quality custom made window, door, roofline and conservatory products at the best value-for-money, with reliable hassle free installation and a no quibble guarantee.

Here at AGS we take our clients requirements very seriously.

You will receive the benefit of our vast knowledge and experience to give you the best possible advice.
You will receive the most state of the art product range option.
You will receive the highest possible standard of service and after-service.
You will receive our Ten Year No Quibble Guarantee.
And all of the above will be brought to you at the most unbelievable prices.

AGS are registered with both FENSA and The Glazing Arbitration Scheme, for complete peace of mind that you are dealing with a company that has your interests at heart.

AGS supply and fit, or supply only, the following product range:

UPVC and Aluminium Products
Windows - All Energy Rated 'A'
Sliding Sash UPVC Windows
Bifold Doors
Sliding Patio Doors
Composite Solid Core Doors
Conservatories
Orangeries
Lantern Roofs
Fascia's, Soffits, Gutters and Cladding
Cladding

Our product ranges above are available in the following:

UPVC - White, Anthracite Grey, Black, Agate Grey, Rosewood, Light Oak and Irish Oak
Aluminum - White, Anthracite Grey, Black, Anodised or any RAL* colour

To discuss our product ranges and finishes with one of our friendly advisors, please contact us. We provide free quotes and estimates and are always available for helpful advice. Call today and ask about our Senior Citizen Discounts.

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