Window Frames

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UK-made Aluminum Doors & Windows

About Product

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01204 324236

sales@signaturetradeframes.co.uk

Window Frames

Our Signature aluminum windows provide sleek, minimal sightlines for optimal views, enhancing natural light and elegance. Secure to PAS24, they exceed Part L compliance and achieve 1.4 W/(m²K) with energy-efficient glass

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Description

Our range of luxury Signature aluminum windows is perfect for a variety of applications. Signature helps unlock a building’s full light potential, designed to meet the end user’s needs by bringing in maximum brightness, light, and elegance into any room.

The Signature window's super-slim sash offers minimal sightlines for unobstructed views. Secure to PAS24, the Signature window exceeds Part L compliance, achieving a WER rating A and meeting the new build requirement of 1.4 W/(m²K) when combined with highly energy-efficient glass.

Glazing

Glazing

We offer the best aluminum window products on the market, designed to seamlessly bring the outdoors in, fulfilling every fenestration need for your entire home project. These windows can be glazed from both the inside and outside, ensuring a simple, hassle-free installation process.

The Signature window system is available in various configurations and glazing options to suit any property style. Choose from:

  • Double glazed
  • Triple glazed
  • Integral blinds
  • Heritage-style astragal bars
  • Solid panel inserts
Colours

Colours

Our Signature aluminum windows are available in any RAL colour upon request. The standard colours that we have in stock are:

  • Grey 7016 (Matte) 
  • Black 9005 (Matte)
  • White 9016 (Gloss)
  • Grey 7016 (Matte) on White 9016 (Gloss)
  • Black 9005 (Matte) on White 9016 (Gloss)
  • Textured Grey 7016 and Mill Finish

Cills & Configurations

Configurations

Configurations

Some of the most popular applications that can be made from the Signature window system are listed below but there are many more besides. Please refer to the configuration diagram.

  • Can be used as a side light with openers and easily couples to our Signature bifold door system.
  • Side hung opener next to a fixed frame.
  • French casement window with double side hung openers.
  • Standard casement window – top opener over a fixed frame.
  • Crucifix 4-pane window with 2 top openers over 2 fixed frames.
Universal Aluminium Cills

Universal Aluminium Cills

Our aluminum cills are designed to effectively direct water away from brickwork while enhancing the overall aesthetics of your door.

Stronger and more durable than PVC alternatives, our cills come with colour-matched plastic push-in end caps in standard stock colours, ensuring a secure and sleek finish. Available in 190mm and 230mm sizes, they offer both functionality and style.

Choose from a variety of finishes: Black, White, Anthracite Grey, textured Mill finish, and dual colours like White/Anthracite Grey and Black/White. For a custom look, we also offer powder coating in any RAL colour.

Technical Performance

Technical Performance

  • Versatile sizing up to 1500mm height and maximum widths of 1500mm (top hung) and 900mm (side hung)
  • PAS24: 2022 compliant for security
  • 81mm depth flush casement system
  • 73mm depth standard casement system
  • Energy efficiency rated U-values as low as 1.1 U W/m2K and Door Energy Rated (DER) A to meet Part L requirements
  • Glazing options 28 - 44mm
  • Maximum sash weight 50kg (top hung) and 40kg (side hung)
  • Air permeability Class 4 (600Pa) EN 1026:2000, EN 12207:1999 
  • Water tightness top hung Class E1500 (1500Pa) EN 1027:2000, EN 12208:1999
  • Water tightness side hung Class 8A (450Pa) EN 1027:2000, EN 12208:1999
  • Wind load resistance top hung Class CE 2400 (2400Pa:1/300) EN 12211:2000 EN 12210:19999
  • Wind load resistance side hung Class C5 (2000Pa:1/300) EN 12211:2000 EN 12210:19999


Clients feedback

Trusted by thousand of people & companies.

Working with this team redefined our expectations for quality. From the first design consultation, their expertise in aluminum systems was evident. Th...

The Henderson Family

Waterfront Property

From our first meeting to the final installation, the team surpassed all our requirements. The custom aluminum windows and doors were expertly crafted...

Sarah & James T

Homeowners

From design to installation, the team nailed it! Our custom aluminum windows and doors fit perfectly, look sleek, and withstand extreme weather effort...

Mark R

Homeowner

4.82

2,488 reviews

Frequently Asked Questions

Yes! We provide professional installation through our recommended 3rdy party installer to ensure optimal performance and warranty compliance.

Yes! Double or triple glazing combined with aluminum’s structural strength significantly reduces outside noise, making them ideal for busy areas.

Aluminum is stronger and more durable than uPVC, doesn’t warp or rot like wood, and requires less maintenance than both. It also allows for slimmer frames and larger glass panels.

Yes, aluminum is strong and durable, making it resistant to forced entry. Many models come with multi-point locking systems for enhanced security.

Absolutely! They come in various colors, finishes, and styles (sliding, casement, tilt-and-turn, etc.) and can be tailored to fit unique architectural designs.

No! Aluminum is low-maintenance—just occasional cleaning with soap and water and lubricating moving parts yearly to keep them functioning smoothly.

With proper care, high-quality aluminum windows and doors can last 30-50 years due to their resistance to rust, warping, and weathering.

Yes! Modern aluminum windows feature thermal breaks and double/triple glazing, reducing heat transfer and improving energy efficiency—helping lower heating and cooling costs.

Aluminum windows and doors are durable, lightweight, corrosion-resistant, and low-maintenance. They offer sleek modern designs, excellent security, and superior weather resistance compared to other materials.

Yes, we handle everything from design and fabrication to full installation through 3rd party contractors.

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