UPVC Window Installers in Coningsby
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
Coningsby
Emily Townsend
UPVC WIndows
Client Comment
Coningsby
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
Coningsby
We live near a main road, so noise was a real issue. Composite Doors recommended upgrading to triple glazing, and we’re so glad we did.
Jason fitted everything carefully and took time to check each window opened smoothly. It’s warmer, quieter, and the grey uPVC frames look modern and smart. Couldn’t be happier with the service or result.
Imogen Walters
UPVC WIndows
Client Comment
Coningsby
We’d been losing so much heat through the old windows, so we had everything redone in grey uPVC. Looks fantastic, feels warmer, and the installation was incredibly efficient.
Jason clearly takes pride in doing things properly.
Philip Watson
UPVC WIndows
Client Comment
Coningsby
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
Coningsby
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
Coningsby
Fast, professional job and the house feels warmer already. Highly recommend.
Adam Griggs
UPVC WIndows
Client Comment
Coningsby
Getting our windows replaced felt like a huge job, but Composite Doors made it painless. Jason was on time, well-prepared, and professional throughout.
We chose triple-glazed uPVC for the road-facing rooms and the difference is remarkable. The windows look smart, open easily, and seal tight. Everything’s more energy efficient and the house is far quieter. Excellent experience from start to finish.
Louise Garrett
UPVC WIndows
Client Comment
Coningsby
We’ve replaced every window in the house with A++ rated uPVC from Composite Doors and the impact has been immediate. The cold spots are gone, and everything looks far more up to date.
Jay was brilliant—on time, polite, and clearly took pride in his work. The finish is tidy and completely transformed the home.
Darren Lacey
UPVC WIndows
Client Comment
Coningsby
We upgraded to triple glazing at the back of the house and instantly noticed the soundproofing. Jason made sure each frame was sealed to perfection.
Composite Doors gave a fair quote, stuck to the schedule, and exceeded expectations. The lounge especially is much quieter and holds heat far better. Highly recommend them.
Declan Yates
UPVC WIndows
Client Comment
Coningsby
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
Coningsby
We had seven uPVC windows installed across the house and every single one looks great and works perfectly. Composite Doors made the process smooth and easy.
Jason was friendly, efficient, and left no trace behind. There’s no more condensation, the rooms feel warmer, and everything now shuts with a satisfying click.
Greg Masters
UPVC WIndows
Client Comment
Coningsby
We’ve been renovating our home and decided to get the windows sorted too. Composite Doors replaced every unit quickly, and it’s made a massive difference in warmth and outside noise.
Jason worked like a machine—neat, polite, and clearly knew what he was doing. Can’t believe how much better it all looks and feels.
Katie Dales
UPVC WIndows
Client Comment
Coningsby
Had our old windows replaced—what a difference! Everything feels much more comfortable now.
Rebecca Ward
UPVC WIndows
Client Comment
Coningsby
Our heating bills were through the roof, and it turns out the old windows were a big part of the problem. Composite Doors replaced every frame with A++ rated uPVC, and the change is massive.
The house holds warmth so much better. Jason was on time, polite, and worked quickly. The final result looks amazing and feels solid and secure.
Jack Rowe





We live in a semi-rural area and wanted something that looked traditional but performed better. Composite Doors helped us choose the right wood-effect uPVC windows and they look fantastic.
Jason was friendly and worked efficiently, keeping the house tidy throughout. It’s much warmer, and the house feels refreshed without losing its character. I’ve already recommended them to my neighbour.