Aluminium Windows

Why Direct Trade Windows?

As a trade fabricator, we have many useful industry contacts, meaning we can provide you with the best options for your next bespoke window installation.

If your customer is looking to replace their shaped window, you probably know how difficult it is to find a supplier. At Direct Trade Windows, we work with skilled designers and artisans to produce designs that are unique to every project.

With a host of contacts, an expert team of fabricators, and top notch quality control, we’re the ideal supplier for your next bespoke installation – Why not give us a call today?

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Aluminium windows with elegant arched design and large glass panes.

Arched steel look window installation showcasing sleek, contemporary design and large glass panes fo.

Technical Specifications
Colours & Finishes

Technical Specifications

DTW's bespoke aluminium window service delivers non-standard configurations — oversized fixed lights, curved heads, multi-panel compositions, and conservation-compliant reproductions — engineered from the same Smart Systems and Cortizo profiles used across the standard range, with every unit fabricated to project-specific dimensions.

Key Specifications

Thermal Performance: U-values from 1.0 W/m²K with triple glazed units; 1.4–1.6 W/m²K with standard double glazed; full Document L compliance
Security: PAS 24:2022 certified across all opening configurations; Secured by Design available
Max Panel Sizes: Fixed lights up to 2100 × 2100mm (4.2m²); bespoke structural calculations provided for oversized units
Glazing: Double or triple glazed units 24–54mm; acoustic laminated, solar control, and self-cleaning glass options
Configurations: Casement, tilt & turn, fixed, top-hung, pivot, sliding — any combination within a single frame composition
Heritage / Conservation: Slim 47mm profiles with 59mm sightlines available for listed building and conservation area consent
Finishes: Full RAL powder coat; anodised (natural, bronze, gold, grey); dual-colour inside/outside; Qualicoat Class 1 & 2 coating standards
Lead Times: Typically 6–10 weeks from confirmed order; complex or oversized units by quotation

Bespoke aluminium windows are specified for high-value residential extensions, penthouse schemes, heritage refurbishments requiring non-standard proportions, and commercial projects where standard window ranges cannot meet the brief. DTW provides technical drawings, U-value calculations, and planning support documentation as standard — enabling architects and project managers to progress consents and building control submissions without additional coordination.

Glass Options

All our bespoke aluminium windows are available with a choice of high-performance glazing to suit your project requirements:

Double-glazed sealed units — standard specification for thermal efficiency
Triple-glazed units — enhanced thermal and acoustic performance
Acoustic laminated glass — for noise reduction in urban and roadside locations
Solar control glass — reduces heat gain and glare while maintaining natural light

We specify the optimal glass configuration for each project based on thermal performance, acoustic requirements and Building Regulations compliance.

Colours & Finishes

All our bespoke aluminium windows are powder coated using a Qualicoat-certified process and are available in the full RAL colour palette — over 200 standard colours plus bespoke colour matching for heritage and commercial projects.

Standard Colour Options

Anthracite Grey (RAL 7016) — the most specified colour across contemporary residential and commercial projects
Jet Black (RAL 9005) — a bold, architectural choice for steel-look and modern schemes
Pure White (RAL 9010) — clean, minimal finish for contemporary interiors and white render elevations
Traffic White (RAL 9016) — brighter white commonly specified for traditional and period properties
Cream (RAL 9001) — warm off-white suited to stone, brick, and heritage contexts
Signal Grey (RAL 7004) — a softer grey alternative to Anthracite for urban and coastal projects

Dual Colour Finishes

A different colour can be applied to the internal and external faces of any frame — allowing the exterior to meet planning requirements or match the building's facade while the interior colour coordinates with the internal design scheme.

Dual-colour finishes are a popular choice for windows — anthracite grey or black externally with a clean white internal finish to match your interior.

Anodised Finishes

Anodised aluminium provides a harder, more scratch-resistant surface than powder coat and is available in natural silver, bronze, champagne, and dark grey anodised finishes — commonly specified for commercial projects, high-traffic environments, and where a metallic appearance is required.

Bespoke Colour Matching

RAL and NCS colour matching is available for projects requiring an exact match to an existing material, manufacturer specification, or architect's colour schedule. Samples are available on request prior to order.

Aluminium Bespoke Windows - Your Questions Answered

Get a Free Quote for Aluminium Bespoke Windows

What are Bespoke Aluminium Windows?

Bespoke aluminium windows are custom-made windows designed to fit specific sizing and shape requirements. They offer both style and efficiency, making them an excellent choice for any property.

What are Picture Windows, and how do they add charm to properties?

Picture windows are large, fixed windows that provide uninterrupted views of the surroundings. They are a perfect way to add charm to a property by showcasing the outdoor landscape and increasing aesthetic appeal.

Do you supply and install Picture Windows?

Yes, at Direct Trade Windows, we supply and install picture windows. If you're a tradesperson looking for a reliable supplier, get in touch with us. We can assist with sizing and shape choices for your installations.

How do you ensure the quality of Bespoke Aluminium Windows?

Our in-house engineers work to prevent any issues with your bespoke aluminium windows. You can trust that the quality of the windows you receive will meet our high standards.

What are the advantages of Picture Windows?

Picture windows offer the advantage of matching period designs to maintain the classic character of a property. They are easy to install, thanks to our skilled team, and they are eye-catching, whether showcasing an uninterrupted landscape or a uniquely shaped design.

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