UPVC Window Installers in Scunthorpe
Tired of Cold Drafts, High Bills, and Tired-Looking Windows?
Old, single-glazed or poorly fitted windows are more than just unsightly, they’re one of the biggest causes of heat loss, draughts, condensation, and sky-high energy bills. They can also let in unwanted noise, stick when opening, and ruin the look of your home from the outside.
That’s why so many homeowners are switching to modern uPVC double glazing. Built for insulation, noise reduction and durability, it’s the smart way to improve comfort, reduce heating costs, and instantly update your home’s appearance.
A Simple, Long-Lasting Solution That Works
uPVC windows are designed to solve the problems traditional frames can’t. Made from weather-resistant, low-maintenance materials, they won’t warp, peel or rot, no matter how tough the weather gets.
Our A++ rated glazing options dramatically improve thermal performance, helping to keep warmth in and cold out. Triple glazing is also available for homes in noisier or colder areas, adding an extra layer of protection and peace of mind.
Tel: 01724 845449
Mob: 07970 693698
Built Around Your Style, Not Just Performance
You don’t have to sacrifice looks for practicality. With today’s advanced finishes, uPVC windows come in a wide range of colours and styles to suit any home, from clean modern lines to traditional timber-look designs.
Popular colour options include white, cream, black, grey, brown, and a choice of woodgrain finishes. Want something specific? We also offer RAL colour matching to blend perfectly with your existing home or front door.
Problems We Solve Every Day
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Drafty rooms and rising heating bills?
uPVC frames and A++ glazing (option) create an insulated barrier against the cold. -
Peeling, rotting old frames?
Our uPVC profiles stay looking their best without any painting needed – minimal upkeep only is required. -
Sticky, stiff-to-open windows?
Modern systems glide open with ease and are fully tested for functionality. -
Ugly mismatched windows and doors?
Choose finishes and frames that complement each other beautifully.
Installed with Care. No Mess, No Fuss
Replacing your windows shouldn’t mean a week of disruption. That’s why installations are handled efficiently and cleanly.
The process includes:
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Assessing each opening to check for damage and ensure a perfect fit
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Removing old window units and clearing the space
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Fitting and sealing the new uPVC windows to prevent draughts or water ingress
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Adding trims and finishes for a seamless interior and exterior look
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Testing each unit to ensure smooth operation, airtightness, and long-term performance
It’s everything you’d expect from a professional installation, without the mess or stress.
A Long-Term Investment in Comfort and Peace of Mind
These aren’t just windows—they’re upgrades. With reinforced frames, multi-point locking options, and weather-resistant seals, every window is designed to perform for the long haul.
You also get
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A 10-year manufacturer’s guarantee on all windows
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A full 12-month workmanship warranty on installation
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Installations that meet all relevant building standards
FAQs – uPVC Double Glazing Explained
What problems do uPVC windows solve?
They help eliminate cold draughts, high energy bills, outside noise, and frame maintenance issues. They’re ideal for homes with outdated, inefficient windows.
Are uPVC windows energy-efficient?
Yes—especially with A++ rated glass (option). They improve insulation, reduce heat loss, and can noticeably lower your heating bills.
How long do uPVC windows last?
Most uPVC windows last 20 to 30 years or more, with very little maintenance required.
Can I customise the look of my new windows?
Absolutely. Choose from multiple frame styles, colours, finishes, and glazing options—including RAL colour matching.
Do they improve soundproofing?
Yes. uPVC frames with double or triple A++ glazing can significantly reduce outside noise, making your home quieter and more comfortable.
How disruptive is installation?
Minimal. Most windows are fitted in a day or two, and the process is clean and tidy from start to finish.
Are installations guaranteed?
Yes – We offer a 10 year product guarantee complete with an insurance-backed warranty.
Get a Fast, No-Pressure Quote Today
Explore your options, get expert advice, and see what’s possible. Whether you’re replacing one window or the whole house, you’ll get clear answers and honest recommendations, without the pushy sales pitch.
Related Services
UPVC WIndows
Client Comment
Scunthorpe
Ben Ashton
UPVC WIndows
Client Comment
Scunthorpe
Composite Doors fitted new white uPVC windows for our whole house. Jason did the job over two days and was efficient, friendly, and very tidy.
The difference in heat retention is incredible, and the house looks far more updated from the outside. All windows open and close smoothly, and the seals are tight. Excellent job and well worth the cost.
Dominic Preece
UPVC WIndows
Client Comment
Scunthorpe
This was our second time using Composite Doors—first for a door, now for the windows—and they delivered again. Jason arrived on time, completed the work quickly and neatly, and left no mess.
The new uPVC windows match our existing door perfectly and have made the house much warmer. It's definitely one of the best value improvements we’ve made to the property.
Chloe Bailey
UPVC WIndows
Client Comment
Scunthorpe
Loving the new windows. They look smart and have already made the house quieter and warmer.
Claire Newman
UPVC WIndows
Client Comment
Scunthorpe
We’ve had uPVC windows installed in our Victorian semi and couldn’t be happier. The white frames are simple and clean, and the soundproofing is better than expected.
Jay handled the install—really nice guy, worked fast and left no mess behind. Would recommend to anyone looking for replacements.
Ryan Fletcher
UPVC WIndows
Client Comment
Scunthorpe
We live in a 1930s house and were worried about losing its character, but Composite Doors worked with us to choose a beautiful timber-effect uPVC frame that keeps the original charm. Jason fitted every unit carefully and checked all the seals were tight.
They’re warmer, quieter, and look fantastic. Absolutely no disruption during the work either. Would recommend without hesitation.
Lewis Abbott
UPVC WIndows
Client Comment
Scunthorpe
We live on a busy road and the new uPVC windows have significantly reduced outside noise. They open smoothly and look really smart too.
Olivia Burton
UPVC WIndows
Client Comment
Scunthorpe
We had every window in our house replaced by Composite Doors and it’s genuinely one of the best decisions we’ve made. Jason fitted everything himself and clearly cared about the quality.
Our home is so much warmer, and the new grey frames give it a fresh, clean look. The whole process was efficient, affordable, and really well done. Highly recommended.
Ross McEwan
UPVC WIndows
Client Comment
Scunthorpe
We went all in and got triple-glazed uPVC windows throughout the house. Composite Doors were fantastic to work with—helpful, honest, and no sales pressure.
Jason did the installation and made sure every frame fit perfectly. The transformation is amazing: warmer, quieter, and we love the colour match with our front door. Definitely one of the best home improvements we’ve made.
Phoebe Lawrence
UPVC WIndows
Client Comment
Scunthorpe
Our house backs onto a railway line and the old windows were useless for noise. Composite Doors fitted triple-glazed units last week and it’s made a huge difference.
Jason was efficient and took time to make sure everything was sealed perfectly. Really impressed with both the product and the service.
Elliot Moss
UPVC WIndows
Client Comment
Scunthorpe
We chose a mixture of clear and obscure glazing for our windows and Composite Doors handled it perfectly. Jason was courteous, worked quickly, and didn’t leave a speck of dust behind.
Everything fits and functions beautifully. The black uPVC frames give the house a really sleek look, and they’re so easy to maintain too.
Holly Eastwood
UPVC WIndows
Client Comment
Scunthorpe
Composite Doors fitted nine new uPVC windows for us over two days. Jay worked with precision and didn’t cut corners.
Each frame is perfectly aligned, and the sealing is flawless. The windows open smoothly, keep the heat in, and the noise out. We’ve had loads of compliments on the new grey frames. Great product, great service, and everything was done right first time.
Joshua Haines
UPVC WIndows
Client Comment
Scunthorpe
We replaced 10 windows with Composite Doors and went with cream uPVC to match the extension. Jason arrived on time, fitted everything quickly, and the finish is immaculate.
No more draughts or condensation. The new units glide open and seal tightly. The whole house feels warmer and more peaceful. Best investment we’ve made in years.
Ethan Rudd
UPVC WIndows
Client Comment
Scunthorpe
Just had all the windows done in our semi-detached and we’re already feeling the benefits. No draughts, no sticking frames, and they look fantastic.
Jay made sure everything was fitted properly and cleaned up after himself. Composite Doors delivered on everything they promised. It’s been a stress-free, worthwhile investment.
Charlotte Hale
UPVC WIndows
Client Comment
Scunthorpe
Finally replaced our old, draughty single-glazed windows and the difference is incredible. The temperature indoors stays much more stable and the noise from outside has gone right down.
Composite Doors were easy to work with and Jason was efficient and tidy on the day of fitting.
Lauren Pope





The new windows from Composite Doors have made a massive improvement. The installers were tidy, efficient, and respectful.
No more cold spots near the frames!