From windows and doors to conservatories, porches, canopies and roofline products — we supply and install made-to-measure solutions to suit every style.
With over 40 years of experience in double glazing across Essex and Suffolk, we can help you choose the right options for comfort, security and kerb appeal.
Real Expertise. No Pushy Sales.
Just Decades of Craftsmanship You Can Trust.
At Infil, we’ve been providing high-quality double glazing in Essex and Suffolk for over 40 years — supplying and installing made-to-measure uPVC windows, doors, conservatories, porches, canopies and roofline products.
As a family-run business, we don’t rely on scripted salespeople. You’ll deal directly with experienced professionals who understand what works, what lasts, and how to get the job done properly — the first time.
Whether you’re upgrading old windows, improving energy efficiency and security, or creating new living space with a bespoke conservatory, we offer honest advice, a wide range of trusted products, and expert installation throughout Essex and Suffolk.
No pressure. No shortcuts. Just reliable service from local double-glazing specialists who care about every detail.
Can't find what you're after?
Just give us a call — we work with a wide range of trusted manufacturers to source almost any material, colour or finish.
Call NowTake a look at what our customers have to say.
Superb triple glazed windows as well as front and back doors installed professionally by very friendly fitters who took pride in their work.
Excellent from start to finish, we had an internal door fitted between a conservatory and the kitchen, had to have the hinges adjusted after about 2 years. The service call was next day, problem solved. All very efficient and polite.
Many thanks.
Many thanks.
We had a great service from start to finish with Infil Double Glazing all staff were courteous and friendly and went above and beyond what was expected I would highly recommend them and the price was good too thankyou Infil ☺️ definitely a five star rating ⭐️⭐️⭐️⭐️⭐️
Another excellent job by the Infil boys! I love my new windows!
Thanks to all of you at Infill for being such a pleasure to deal with - quite rare these days.
Will certainly be in touch when I decide to renew any of the other windows.
Thanks to all of you at Infill for being such a pleasure to deal with - quite rare these days.
Will certainly be in touch when I decide to renew any of the other windows.
Top quality and highly professional service from initial enquiry to having the work undertaken. We chose Infil to install a new back door and to replace our old conservatory. We are absolutely delighted with the end result and would highly recommend the company if you are looking for new doors, windows or a conservatory.
Ryan & Aaron were absolutely brilliant, especially in the scorching heat! They didn't compromise on finish at all. Highly recommended, top job guys.
Let’s Talk About Your Home
No pressure. No sales chat. Just honest advice from our experienced installers who know what they’re doing.
Call 01787 477231 or email info@infil.co.uk
Request a QuoteIt’s free, personal, and handled by real expert.
