Sales & customer service 0161 406 0055

Trade uPVC Window Suppliers

- Extremely energy efficient

- High performance and quality

- Variety of styles and option

Get A Quote
uPVC window manufactured using Decuenincks decorative 2800 profile Registered installer badge

The perfect partnership
Find out how to become
a Dekko registered installer

Win more sales | Be more profitable | Expert support & advice

Choose from high quality trade uPVC windows

At Dekko, our high quality uPVC trade windows are high-performing in terms of security, energy efficiency and aesthetic appeal. They are also available in a variety of styles, colours and configurations to meet the demands of diverse applications. Click on the boxes below to find out more about our trade uPVC window range, including popular options like black UPVC windows and grey UPVC windows.

uPVC Deceuninck windows with georgian bars

Highlighting the Benefits of Trade uPVC Windows

Exceptional thermal efficiency reduces energy costs. Low maintenance provides peace of mind to businesses. Cost-effective, durable, and available in various colours for individual requirements. These windows offer noise reduction, ensuring a peaceful work environment.

Cost-Effectiveness of Trade uPVC Windows

With energy efficiency, durability, and a range of colour options, uPVC windows offer cost-effective operations for businesses. Trickle vents enhance energy efficiency at no extra cost.

Durability and Longevity of uPVC Material

With its hassle-free durability, uPVC material offers long-term peace of mind for businesses. Designed to withstand harsh weather conditions, these windows provide low maintenance and cost-effectiveness. Their longevity ensures a worry-free investment.

Get in touch

Variety of Trade uPVC Windows Available

Explore a range of uPVC window frames, including casement, bifold, and patio doors, with different finishes like light oak and versatile frame options such as sash and bay windows.

Exploring uPVC Casement Windows

uPVC casement windows offer thermal efficiency for energy cost savings and come in various colour options like chartwell green and anthracite grey. The double glazing reduces heating costs for a quiet workspace.

Features of Flush Sash uPVC Windows

With energy-efficient double glazing, flush sash uPVC windows offer a sleek, low-maintenance, and durable solution for commercial spaces, contributing to significant cost savings.

Understanding uPVC Sliding Sash Windows

uPVC sliding sash windows combine traditional charm with modern energy efficiency, providing noise reduction and low maintenance. With various colour options, they offer thermal efficiency, reducing energy costs for businesses.

Contact Us
Slim upvc windows
golden oak uPVC Deceuninck window

Production Quality Standards for Our uPVC Windows

Manufactured to meet the highest quality and durability standards, our uPVC windows undergo rigorous testing for thermal efficiency and noise reduction. With hassle-free installation, energy efficiency, and a wide range of colour options available.

Compliance with Industry Manufacturing Standards

Meeting industry manufacturing standards, our trade uPVC windows comply with regulations. We offer composite, patio, and bifold doors in various uPVC window frames. Delivery across the UK with comprehensive warranties.

Contact Us


At Dekko, we are dedicated to supporting all our customers. We offer a nationwide delivery service and competitive lead times, and strive to always deliver on schedule. We offer all our trade customers extensive after sales and marketing support to help them to showcase their product range.

Dekko have an in-depth knowledge of the glazing industry encompassing product knowledge, manufacturing techniques, and sector trends. When you choose Dekko as your window and door supplier, you access a wealth of valuable information to help you to grow your business.

Contact Us
Why Dekko
Trade counter


At Dekko, we want to provide a convenient and hassle free supply service to all our trade customers. Our two UK trade counters stock our full range of PVCu and aluminium windows and doors and ancillary products to give installers quick access to any vital components they may need to complete an installation, matched with competitive trade prices.

Our trade counter in Ashton serves installers across the North of England, while our Swindon trade counter supplies installers across the south of England including London and the home counties.

Get a quote

What is the average life of uPVC windows?

The average lifespan of uPVC windows is typically around 20 to 30 years, although it can vary between 10 and 35 years based on factors like quality and maintenance. With proper care, they can exceed their average lifespan, offering long-lasting durability and performance.

Get in touch
Chartwell green uPVC windows installation shot

Start your project

Schedule your complimentary quote consultation with a nearby specialist consultant who will:

  1. Provide you with an exact, obligation-free quotation.
  2. Present creative suggestions and practical remedies.
  3. Display product samples.
  4. Perform essential measurements as required.

Get a Quote

By submitting your details you confirm that you agree to the storing and processing of your personal data by Dekko Window Systems as described in the privacy statement.


Fast delivery and would highly recommend

"Ordered double glazed window for our shop. Dealt with Nathan on the Trade Counter, who was excellent and went above and beyond the usual customer service. Window was very well made and arrived with no problems. Fast delivery and would highly recommend."

Tony Spooner

The windows look fantastic

"Recently used Dekko Windows to supply the windows and aluminium bi-fold doors for our renovation project. We paid a short visit to their showroom where Rob and Neil were really helpful, showing us around and providing options for us. We were really happy with the whole process and the windows look fantastic. Would definitely recommend this company."

Richard Kennedy

Very happy with the level of service and products

"I've been using Dekko Windows for a number of years now and have been very happy with the level of service and products. Rob and Neil have never failed to get back to me promptly with quotes and lead times etc and Leon the delivery guy is always happy, friendly and helpful whenever unloading frames on site."

Peter Bain

Excellent service

"Excellent service. It's always a joy to deal with Rob, Neil and Leon. They always go out of their way to assist me with my projects and are very professional and friendly. Thanks again to the Swindon Dekko Team!"

Jordan King