Double Glazed Windows | Birmingham, London & Manchester

The Substance Behind the Style

— Our Material Options

uPVC

These are durable, energy-efficient, low maintenance, and crafted using industry-leading REHAU profiles. They're ideal for homeowners or trade clients looking for excellent thermal insulation, security, and value, with a 10-year guarantee for complete peace of mind.

Strength

High

Security

Excellent

Energy Rating

Outstanding (A-rated)

Guarantee

Up to 10 Years

Aluminium

It offers outstanding structural strength and weather resistance for a premium, modern look with ultra-slim sightlines. With a 20-year guarantee and a powder-coated finish in a wide choice of colours, they're a sleek and sophisticated choice for contemporary projects.

Strength

Exceptional

Security

Excellent

Energy Rating

Excellent (A+ Rated)

Guarantee

Up to 20 Years

The Substance Behind the Style

— Our Material Options

uPVC

Our double glazed window uPVC solutions are durable, energy-efficient, low-maintenance and crafted using industry-leading REHAU profiles. They're ideal for homeowners and trade clients looking for excellent thermal insulation, security, and value, with up to a 10-year guarantee for complete peace of mind.

Strength

High

Security

Excellent

Energy Rating

Outstanding (A-rated)

Guarantee

Up to 10 Years

Aluminium

Our aluminium windows offer outstanding strength and weather resistance, delivering a premium modern look with ultra‑slim frames. Each double glazed window installation ensures long‑lasting performance, featuring a durable powder‑coated finish available in a wide range of colours. Trusted by many, we provide robust aluminium windows designed for today’s modern homes.

Strength

Exceptional

Security

Excellent

Energy Rating

Excellent (A+ Rated)

Guarantee

Up to 20 Years

Red brick building with double glazed windows, framed by a vibrant sunset in the background.

The Art and Science of Your Glass

Pilkington decorative and high-performance glass options are available on request.

Perfect for privacy, energy efficiency, or custom design features. Or Available with Pilkington, decorative and performance glass options on request.

The Art and Science
of Your Glass

Pilkington decorative and high-performance glass options are available on request.

For something truly unique, we offer a full range of specialist glass from Pilkington on request. Whether you need privacy-enhancing patterns, self-cleaning coatings, or acoustic insulation, we’ll source the ideal solution for your space. Perfect for double glazed windows installation.

Available with Pilkington, our decorative and performance glass options are ideal for privacy, energy efficiency, or custom design features. Trusted by double glazed window manufacturers for quality and innovation.

Modern living room with large double glazed windows, a spacious feel, and a flat screen TV for entertainment.

Float

offers pristine clarity and excellent light transmission, making it ideal for double glazed window installations. Perfect for upper floors, with quality assured by trusted double glazed window manufacturers.

Living room featuring a broken double glazed window, highlighting the need for professional window installation services.

Laminated

Built with a tough, invisible interlayer that stays intact when broken, it provides enhanced safety and security. Ideal for ground‑floor windows or private areas, with quality ensured by leading double‑glazed window manufacturers.

Toughened

Heat‑treated to be up to five times stronger than standard glass and designed to shatter safely, it’s a preferred choice for aluminium window suppliers and manufacturers seeking durable, stylish, and secure installations.

Pilkington

Perfect for enhancing privacy, improving energy efficiency, or adding unique design features. Available with Pilkington decorative and performance glass options, ensuring style and functionality in every installation.

Reputation You Can Rely On

Hear from our satisfied clients about their experiences with us. Our testimonials showcase the trust and reliability we've built over the years.

See Our Work

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Bright living room featuring double glazed windows and doors, enhancing natural light and energy efficiency.

A National Company, Local to You Backed by Up to 20-Year Guarantee

We combine the reach and reliability of a nationwide manufacturer with the personal support of a local partner trusted by installers and homeowners across the UK, including London, Birmingham, and Manchester, also for uPVC double glazed windows.

Get an Estimate

Reputation You Can Rely On

Hear from our satisfied clients about their experiences with us. Our testimonials highlight the trust, reliability and
long‑lasting relationships we’ve built over the years.

From design to installation, Klassic Trade Frames delivered excellent service. Our new windows and doors, including casement and composite styles are top quality. Highly recommended!