Last Updated on 23 April 2025 by Tia Ellahi
Deceuninck: Who are they?
Deceuninck is a globally trusted manufacturer of high-performance uPVC window and door systems, known for combining innovative design with sustainability and timeless aesthetics.
Thinking about upgrading your windows or doors? You’ve probably come across the name Deceuninck. In this article, I’ll walk you through everything you need to know about their uPVC range – from timeless style to cutting-edge performance, and why it might just be the best decision for your home.
Quick Look: What’s Inside This Guide..
- Who are Deceuninck?
- Why choose Deceuninck windows?
- Deceuninck French & Glazed Doors: Style, Security, and Light
- Energy efficiency & sustainability
- Colours, finishes, and accessories
- Installation, maintenance, and peace of mind
- How Deceuninck compares to other brands
- FAQs
Who Are Deceuninck?
Deceuninck Ltd is a global leader in sustainable building solutions. With nearly 80 years of experience, they deliver innovative, energy-efficient window and door systems that combine elegance with long-term durability. Their UK division, Deceuninck UK, manufactures top-tier uPVC profiles widely used in residential refurbishments and new builds alike.
Why Choose Deceuninck Windows?
Here’s why Deceuninck windows stand out:
- ✅ Stunning aesthetics with traditional and contemporary options
- ✅ Exceptional thermal performance, with U-values as low as 0.9 W/m²K
- ✅ PAS 24 approved for top-tier security
- ✅ Low maintenance and long-lasting colour retention
- ✅ Sustainable manufacturing with recycled content options
Whether you’re renovating a character home or fitting out a new extension, Deceuninck offers the peace of mind that comes with quality and style.
Explore the Deceuninck uPVC Window Styles
We offer a full suite of window styles that will satisfy most projects. The most popular is a casement window, which is a combination of fixed panes and outward opening vents. These are the go-to for most UK homes thanks to their versatility and clean sightlines.
Other styles include:
Tilt and Turn Windows
Ideal for easy ventilation and cleaning, especially in flats and upper floors.
Bay and Bow Windows
Perfect for bringing in more light and adding architectural charm.
Large Picture Windows
Great for expansive views and bright interiors.
Shaped/Arched Windows
Add a bespoke touch with non-standard shapes that still meet high performance criteria.
All styles are available with double or triple glazing, and a huge selection of finishes and hardware options.
Deceuninck uPVC French & Glazed Doors: Style, Security, and Light
It’s not just about windows – Deceuninck offers a complete suite of premium uPVC door solutions:
French Doors
Part of the Heritage collection, these flush-fitting Deceuninck French doors feature:
- Clean symmetrical sightlines
- PAS 24 approved security
- Multi-point locking and double handles
- Excellent energy ratings for year-round comfort
uPVC Glazed Doors
Ideal for front, rear, or side entrances, Deceuninck’s uPVC glazed doors come in multiple panel and glass configurations:
- Glazed panels for light-filled spaces
- Optional half or full panel designs
- Colour-matched to windows
- Low-maintenance, wipe-clean uPVC
- Stylish hardware and secure locking systems
Both door types are designed to harmonise with the flush sash and casement window ranges.
Energy Efficiency & Sustainability
Deceuninck products are engineered for high-performance insulation. Features include:
- U-values as low as 0.9 W/m²K (triple glazed)
- A++ energy ratings
- Thermal inserts to reduce heat loss
- Sustainably sourced and recyclable PVC-U materials
That means lower heating bills and a smaller carbon footprint, all without compromising on design.
Colours, Finishes & Accessories
With over 30 Heritage Colourways from stock, Deceuninck lets you personalise every detail. Popular finishes include:
- Agate Grey
- Chartwell Green
- Heritage White
- English Oak
- Anthracite Smooth Matt
Complementary accessories such as traditional handles, peg stays, and matching trims help finish the look beautifully.
Installation, Maintenance & Peace of Mind
Whether supply-only or fully fitted by professionals, Deceuninck products are designed for straightforward installation and long-term reliability.
- Easy-fit profiles
- Minimal upkeep – just a quick clean with soapy water
- Backed by manufacturer guarantees (typically 10 years+)
No repainting or worrying about weather damage.
How Do Deceuninck Windows Compare?
We often hear: “Deceuninck vs Eurocell, who wins?”
While both brands are excellent, Deceuninck stands out for:
- Design-led approach: especially with flush sash styling
- Wider colour range
- Proven sustainability credentials
- Seamless integration between windows and doors
In short, yes – Deceuninck windows are very good, and a smart investment for UK homes.
Experience the Deceuninck Difference with GFD Homes
At GFD Homes, we’re proud to work with industry-leading manufacturers like Deceuninck to bring you high-quality uPVC windows and doors that deliver on style, performance, and value. Whether you’re after classic casement windows or sleek French doors, we offer a great selection at competitive prices – available supply only and ready for installation.
Our friendly, knowledgeable team is here to help with any questions you might have, and if uPVC isn’t quite right for your project, we also offer an exceptional range of aluminium windows and doors. Need help deciding?
Give us a call on 01642 309576 or head over to our blog for expert advice and inspiration.
FAQs about Deceuninck
Is Deceuninck a good brand?
Yes, Deceuninck is one of the leading uPVC manufacturers worldwide. Their UK products are stylish, secure, and built to last.
What does Deceuninck do?
They design and manufacture uPVC windows and doors, including flush sash windows, French doors, and glazed entrance doors.
What is the best uPVC brand in the UK?
While several brands compete closely, Deceuninck stands out for flush sash styling, colour range, and eco-friendly innovation.
Which window company has the best reviews?
Our GFD Homes customers love Deceuninck windows – especially for performance, looks, and value. Head over to Trustpilot to read our Deceuninck reviews.
Doors are just the start – check out our expert guides..
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- Trade Deceuninck: looking for trade prices? Visit our trade site, The Trade Village.
