Why Choose uPVC Windows?

Stylish Design

Improve the aesthetics of your home with our sleek and contemporary uPVC windows.

Energy Efficiency

Our A-rated uPVC windows offer excellent thermal insulation, reducing heating and cooling costs.

Enhanced Security

Feel safe and secure with our uPVC windows, which have passed the British security certification PAS 24.

Durable Construction

Built to withstand the elements, our uPVC windows offer long-lasting performance and require minimal maintenance.

Customisable Options

Choose from a range of colours, finishes, and opening styles, including inward or outward opening, side- or top-hung, and tilt-and-turn.

Cross-section of the Liniar EnergyPlus uPVC window showing a multi-chambered thermal break and glazing for insulation.

Energy Efficiency & Thermal Performance

Our uPVC windows feature advanced multi-chambered profiles designed to reduce heat loss and improve insulation. With U-values as low as 0.8 W/m²K (Liniar EnergyPlus), they help lower energy bills while maintaining a comfortable indoor temperature. Our double and triple glazing options further enhance thermal performance, making them an ideal choice for homes and commercial properties.

Improve insulation with high-performance uPVC windows

Sustainability & Eco-Friendly Manufacturing

Our uPVC windows are designed with sustainability in mind. The frames are 100% recyclable and free from lead, reducing environmental impact without compromising on strength or performance. We prioritise energy-efficient manufacturing processes, ensuring that our windows offer long-term durability while supporting eco-conscious building standards.

Choose sustainable uPVC windows for a greener future
Circular economy diagram showing uPVC manufacturing, recycling, and waste reduction processes for sustainable building materials.

Noise Reduction & Acoustic Glazing

Our uPVC windows provide exceptional acoustic insulation, helping to block out unwanted noise from traffic, construction, and busy urban areas. With specialist acoustic glazing options, our windows can reduce noise levels by up to 45 dB, creating a quieter, more peaceful indoor environment.

Reduce outside noise with soundproof uPVC windows

Advanced Security Features

Security is a priority, which is why our uPVC windows are built with reinforced frames and multi-point locking systems. Designed to meet PAS 24 security standards, they offer superior protection against forced entry, giving you peace of mind without compromising on design.

Secure your home with high-quality uPVC windows
A sleek grey uPVC window with square leaded glazing, set in a light sandstone façade under a gable roof with red brick detailing, against a clear blue sky.

Customisation Options & Styles

DNA Window Solutions recognises the uniqueness of every home. That’s why we offer a wide range of uPVC window styles, including casement, tilt & turn, sliding sash, and bay windows. Whether you prefer the timeless charm of traditional designs or the modern functionality of tilt and turn models, we have options to suit every property.

Our extensive colour palette includes classic white, elegant woodgrain finishes, and contemporary shades such as black and grey, ensuring a perfect match for your home’s aesthetic. We also provide custom hardware options, allowing you to personalise your windows for a seamless finish.

With our energy-efficient uPVC windows, you can expect exceptional insulation, security, and durability. The multi-chambered thermal break minimises heat loss, keeping your home comfortable while reducing energy consumption. For added security, our windows have undergone rigorous testing and meet the PAS 24 British security certification, providing protection against forced entry and greater peace of mind.

Contact Us

Make Your uPVC Windows Your Own

In today’s noisy world, peace and quiet are priceless. DNA Window Solutions’ uPVC windows offer superior sound insulation, effectively blocking external noise and creating a peaceful indoor environment. This feature is particularly beneficial in urban settings or homes near busy streets.

For those with a busy lifestyle, DNA Window Solutions offers a practical solution. Our uPVC windows require minimal maintenance – a simple clean with a damp cloth is all it takes to keep them looking as good as new. This low-maintenance aspect saves you time and effort, which can be better spent on things that matter most to you.

Get a Quote
The image shows an open Upvc tilt-and-turn window in a white room, overlooking a building with balconies
A person is opening a white tilt-and-turn window that looks out onto an urban scene with trees and a pedestrian path.

Reducing Energy Bills with DNA Window Solutions

One of the standout features of DNA Window Solutions’ uPVC windows is their thermal efficiency. They keep your home warm in the winter and cool in the summer, ensuring year-round comfort. This energy-saving attribute leads to reduced heating and cooling costs, offering both financial and environmental benefits.

Investing in uPVC windows from DNA Window Solutions is an investment in long-term value. Their durability and low maintenance translate into a cost-effective, long-term solution for your home. With DNA Window Solutions, you can enjoy the aesthetic, functional, and economic benefits for years to come.

Contact Us to Save Energy & Money

uPVC Windows: British Crafted, Quality Assured

Beat the Chill, Embrace the Warmth with Liniar's Innovative EnergyPlus Profile! Imagine a home where cold drafts are a thing of the past. Our unique multi-chambered EnergyPlus profile is designed with extra uPVC chambers, creating an invisible shield against the cold, keeping your home snug and warm.

But that's not all - we're obsessed with quality! Every product from our line undergoes rigorous testing to ensure unbeatable durability and longevity.

Proudly Made in Britain: Our uPVC profiles by Liniar are not just any profiles; they are masterpieces crafted in A state-of-the-art facility in Derbyshire. Using advanced techniques, we bring to you windows that are not just windows, but a promise of quality, comfort, and style.

Get in Touch for uPVC Excellence
A large uPVC window offering a clear view of a lush green garden with flowering bushes, a neatly trimmed lawn, and a distant view of charming houses by the water, under a cloudy sky.
Mock up of window and door designer

Design your windows and doors

Use our online window and door designer to create the perfect quote and get exactly what you want!

Start Designing

The image shows a kitchen interior with a large window above the sink, offering a view of a garden. The window appears to be a white uPVC casement type, with one side openable. The kitchen has white cabinets and a dark countertop, and there's a dish rack with a few dishes in it on the sink. The view outside includes a lush green garden with a variety of trees and shrubs, and a fence dividing the property.

Why Choose uPVC Windows for Energy Efficiency and Security?

In today's world, where energy efficiency and environmental concerns are paramount, selecting the right window system is more crucial than ever. Our FAQs delve into the advanced features of modern uPVC windows, focusing on the remarkable benefits they offer in terms of energy ratings, cost-effectiveness, and security. Whether you're considering windows for a new build, refurbishment, or replacement, these insights will guide you in making an informed decision.

How do uPVC windows contribute to energy efficiency?

uPVC windows contribute significantly to energy efficiency through their multi-chambered profiles, patented co-extruded bubble gasket, glazing flipper, and thermal dam. These features enable them to achieve a high Window Energy Rating (WER) of A+ and a low U-value of 1.2, ensuring optimal thermal insulation and reduced energy costs.

What makes DNA's uPVC windows environmentally friendly?

DNA's uPVC windows are environmentally friendly due to their lead-free composition. The energy-efficient design minimises heat loss, reducing the carbon footprint and energy consumption of a building, aligning with today's heightened environmental concerns.

Can Liniar’s uPVC windows offer security as well as energy efficiency?

Absolutely, Liniar’s uPVC windows provide both high thermal efficiency and robust security. They are accredited with PAS 24 Enhanced Security and Secured By Design status, ensuring they meet the highest security standards without compromising on energy efficiency.

Is it necessary to have triple glazing to achieve high energy ratings?

No, triple glazing is not necessary to achieve high energy ratings with Liniar windows. Their advanced design allows them to attain a WER of A+ with cost-effective double glazing, making them a practical and efficient choice.

What sets Profile 22 apart from other PVC-U window systems?

Profile 22 stands out due to its ease of fabrication and fitting, coupled with superior aesthetics and performance. It is designed to surpass other systems in the market, offering a clear competitive advantage in various sectors, including domestic replacement, new build, refurbishment, and commercial projects.

Explore Our uPVC Windows Collection

Welcome to our comprehensive Downloads section, where you can easily access detailed information about our high-quality uPVC windows. From product brochures and technical specifications to maintenance tips, everything you need is just a click away. Our resources are designed to help you understand the benefits, features, and options available, ensuring you make an informed decision for your home or business. Start exploring today and discover the perfect uPVC window solutions tailored to your needs.

Get Free Expert Assistance

What do our customers say?

Use this company. They will not disappoint

This company is truly amazing. I cannot recommend them highly enough, from the first visit to completion, Adam and Dan were always available. I didn't have to chase at all. No pressurised sales pitch either....
Read more

Wendy Brewer (Wembury)

December 2024

Google icon

I would highly recommend this company

I would highly recommend this company. From first contacting DNA windows for a quote to completion everything was carried out in a very professional manner. Pricing was competitive. The guys doing the installation were polite...
Read more

Jennifer Martin (Plymouth)

December 2024

Google icon

Cannot speak highly enough…

I recently had new windows and door fitted at my property by DNA Windows and I cannot speak highly enough of the product, the fitting team and the overall service provided by them. From the...
Read more

Glen Harling (Plymouth)

December 2024

Google icon

Work carried out efficiently and quickly

Having already had a new triple glazed window and new composite front door which we have been really pleased with, we now have a triple glazed back door. The work was carried out efficiently and...
Read more

Teresa Mitchell (Yelverton)

January 2025

Google icon

Nothing was too much trouble

My elderly mum had her windows and doors fitted from DNA solutions, they were excellent from the time they came out to quote and measure up to fitting. The two fitters that came were lovely...
Read more

Karen (Plymouth)

January 2025

Google icon

Excellent company

Excellent company, responded directly to my request, great communication and seamless from quotation to completion. No hesitation in recommending this company the work was completed to a very high standard. We are having them back...
Read more

Diane Newman (Tavistock)

January 2025

Google icon

Read our reviews on…

Our Suppliers & Accreditations

Solidor logo
Eurocell logo
Smart logo
Cortizo logo
Profile 22
Assure accreditation
InstallSure-Logo-RGB