Aluminium Windows

Upgrade your home with our sleek aluminium windows, where modern design meets exceptional performance. Perfect for contemporary homes and extensions, our expertly engineered aluminium windows deliver slim sightlines for maximum natural light while maintaining outstanding strength, durability, and security.

Crafted with advanced thermal technology, our aluminium range achieves low U-values and A++ energy ratings, helping to cut your energy bills while keeping your home warm and quiet. With double or triple glazing options, enhanced security features, and a wide choice of colours and finishes, our windows are designed to combine style, efficiency, and peace of mind.

Whether you’re renovating, building new, or upgrading tired frames, our aluminium windows provide the perfect balance of elegance, performance, and long-term value.

Aluminium Windows

Slim sightlines • Outstanding thermal performance • Robust security • Professional installation & aftercare

Made-to-measure • Double or Triple Glazed • Dual-colour options

Why choose aluminium?

Our aluminium windows deliver a clean, contemporary look with slim frames and long-term durability. Thermally broken profiles, precision hardware and high-performance glazing combine to keep your home comfortable and secure through every season.

U-values from 0.8 W/m²K*configuration dependent
PAS 24 optionsmeets security standard
10-year guaranteeframes & finish
Low maintenanceno repainting
Slim sightlines Thermal break technology Internal glazing beads Trickle vents available Marine-grade upgrade

At-a-glance

  • Made to measure, surveyor-verified sizes.
  • Double or triple glazing with warm-edge spacers and gas fill.
  • Choice of casement, flush casement, tilt & turn and fixed.
  • Range of handles and hardware finishes.
  • Suitable for replacements, new builds and extensions.

*Achievable U-values vary with size, glass specification and profile selection.

Window styles

  • Casement – versatile side/top-hung openings with friction stays.
  • Flush casement – sash sits flush with the frame for minimal lines.
  • Fixed/Picture – maximise daylight with uninterrupted views.
  • Tilt & Turn – inward opening; tilt for ventilation, turn for cleaning.
  • Shaped & gable – bespoke angles and apex glazing (subject to survey).

Glazing choices

  • Double (typically 28–32 mm) or triple (36–44 mm) glazing.
  • Low-E coatings, argon/krypton gas, warm-edge spacer.
  • Toughened safety glass where required by regulations.
  • Laminated security or acoustic glass (e.g., 6.8 mm).
  • Obscure/privacy patterns for bathrooms and WCs.

Specification snapshot

  • Profiles: thermally broken aluminium with polyamide thermal barrier.
  • Beading: internal as standard for enhanced security.
  • Seals: continuous Q-lon/EPDM gaskets for air and water tightness.
  • Ventilation: trickle vents available to meet Building Regulations where applicable.
  • Drainage: concealed drainage/pressure equalisation (profile dependent).
  • Hardware: multi-point locking, key-locking handles, egress hinges on escape windows.
Note: Exact specification depends on the chosen system and size. We confirm full details on quotation and survey.

What affects price?

  • Overall sizes and number of openers.
  • Glazing type (double vs triple, laminated/acoustic upgrades).
  • Colour (standard vs non-standard RAL, dual colour, marine grade).
  • Hardware finish and special hinges/handles.
  • Installation complexity and access.

Aluminium vs uPVC (quick comparison)

FeatureAluminiumuPVC
SightlinesSlimmer frames, more glassChunkier frames
Thermal performanceExcellent with thermal breakExcellent with multi-chamber design
Colours/finishesAny RAL, matt/satin/gloss, dual colourFoils/colours, fewer custom RAL options
MaintenanceVery low; no repaintingVery low; wipe clean
CostTypically higherBudget-friendly

Comfort and efficiency

  • U-values from 0.8–1.4 W/m²K depending on sash size and glazing.
  • Warm-edge spacers reduce perimeter heat loss and condensation risk.
  • Low-E glass reflects heat back into the room during winter.
  • Optional solar-control to limit summer heat gain.
  • Acoustic laminates to cut road/rail noise significantly.

Building Regulations (summary)

  • Part L (Conservation of fuel & power): thermal performance requirements for replacement/new build windows.
  • Part F (Ventilation): trickle vents or alternative ventilation where required.
  • Safety glazing: toughened/laminated in critical locations (e.g., low level, doors, bathrooms).

We’ll advise on compliance during survey and quotation.

Security as standard

  • Multi-point espagnolette or shootbolt locking.
  • Internal glazing beads prevent removal of glass from outside.
  • Lockable handles with key, child-safety restrictors available.
  • PAS 24 configurations available on request.
  • Laminated glass upgrade for enhanced intrusion resistance.

Hardware finishes

  • Stainless, brushed, chrome, black, white, anthracite.
  • Friction hinges, egress/easy-clean where applicable.
  • Trickle vents colour-matched where possible.

Colours and coatings

Durable powder-coated finishes in matt, satin or gloss. Choose a single colour or dual-colour (different inside and outside) to suit your décor.

Anthracite Grey (RAL 7016) Black White Light Grey Any RAL on request

Coastal upgrade

For properties near the coast, specify marine-grade pre-treatment and coating for maximum corrosion resistance.

We’ll recommend the right specification based on your postcode proximity to the sea.

Professional installation

  • Survey to verify sizes, opening directions and compliance needs.
  • Careful removal of existing frames and responsible waste handling.
  • Installation with packers, fixings and sealants to manufacturer guidance.
  • Finishing trims and making good as agreed.

Typical home installations complete in 1–3 days depending on quantity and access.

Aftercare & warranty

  • 10-year product guarantee on frames/finish (terms apply).
  • Hardware and seals covered per manufacturer policy.
  • Simple maintenance: wash down frames, check drainage slots, light lubrication of moving parts.

Finance calculator

This tool is provided by Kanda Finance. Results are indicative and subject to provider assessment.

How long is lead time?

Lead times vary by specification and colour. We’ll confirm current timelines on quotation; installation is then scheduled to suit you.

Do you offer dual colour?

Yes. Choose one colour outside and another inside to match interior décor.

Are trickle vents required?

They may be required to meet Building Regulations depending on property and room use. We advise during survey.

What U-value will I get?

It depends on frame system, size and glass. We include calculated values in your quote pack.

Can you do acoustic glass?

Yes. Laminated acoustic options help reduce traffic or rail noise.

What about building control paperwork?

Where applicable, we’ll provide the necessary documentation for compliance and product warranties.

Design your Windows online today...

Transform your home with a wide choice of door colours designed to suit every personality and property. 

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Hardware

Aluminium Window Styles—Energy Efficient, Secure, Beautiful

Upgrade your home with slimline aluminium windows that look exceptional and perform even better. Thermally broken frames and high-performance double or triple glazing help cut heat loss and lower bills, while multi-point locking, internal glazing beads and laminated glass options deliver robust security. With crisp sightlines, powder-coated finishes and bespoke colours—including dual-colour inside/out—you’ll get a clean, contemporary aesthetic that complements both modern and period properties.

Contemporary Aluminium Windows

Sleek, slimline aluminium windows designed for modern homes and extensions. Large glazed areas maximise natural light and create a clean, contemporary look.

Our contemporary aluminium windows are the perfect choice for new builds, open-plan living, and modern renovations. With thermally broken frames, U-values from 0.8 W/m²K, and high-performance double or triple glazing, they deliver outstanding efficiency. Available in a wide range of RAL colours and dual-colour options, these windows combine energy performance, security, and a striking aesthetic that complements today’s architectural styles.

Heritage Aluminium Windows

Classic steel-look and period-style aluminium windows for listed buildings, cottages, and traditional homes.

Heritage aluminium windows replicate the timeless charm of Georgian, Victorian, and steel-framed styles while delivering modern performance. Featuring slim sightlines, authentic glazing bars, and traditional-style hardware, they are ideal for conservation areas or heritage projects. With PAS 24 security options, low-maintenance powder-coated finishes, and modern thermal breaks, you can enjoy period aesthetics without compromising on comfort or safety.

Flush & Shaped Aluminium Windows

Flush casement and shaped aluminium windows for a seamless look and bespoke architectural designs.

Whether you want perfectly flush casement windows for a minimalist finish or shaped glazing to suit gables and custom designs, our aluminium range delivers flexibility. Fixed, picture, and shaped frames allow maximum light while maintaining strength and durability. Slim frames and a choice of powder-coated colours ensure your windows enhance both contemporary and traditional properties, giving you total design freedom.

Tilt & Turn Aluminium Windows

Practical European-style aluminium windows that open inwards for easy ventilation and cleaning.

Tilt & Turn aluminium windows offer two functions in one: tilt inwards for secure ventilation or turn fully for safe cleaning and wide openings. Their versatility makes them ideal for apartments, modern builds, or where external access is restricted. With robust multi-point locking, thermal efficiency, and a sleek finish, these windows provide convenience, security, and long-lasting style.

SECURITY

Highest Levels of Protection (PAS 24)

Multi-point locking, internal glazing beads and laminated glass options provide robust security. PAS 24 configurations available for extra peace of mind.

THERMAL PERFORMANCE

Energy Efficiency & Comfort

Thermally broken frames with high-performance double or triple glazing deliver U-values from 0.8–1.4 W/m²K, keeping your home warm in winter and cool in summer while reducing energy bills.

GLAZING OPTIONS

Choose the Perfect Finish

There are many glazing options to suit the style of your home, all of which are available with either double or triple glazing:

  • Standard clear glass
  • Square leaded glass – for a heritage look
  • Diamond leaded glass – for traditional window styles
  • Horizontal flat astragal bars – both modern and period styles
  • Butted astragal bars – for traditional and country styles

Style Without Limits

Our aluminium windows are finished with durable powder-coated colours that resist fading and corrosion. Pick a subtle neutral, a bold statement tone, or a timeless classic — whatever suits your home.

Customise every frame:

  • Any RAL colour — hundreds of choices.
  • Dual-colour finishes — one colour inside, another outside.
  • Textured & metallic effects for a premium look.
  • Marine-grade upgrade for coastal properties.

Aluminium Windows 

Engineered for modern living, our aluminium windows combine sleek design with outstanding durability. Perfect for contemporary homes and renovations alike, they maximise natural light, improve energy efficiency, and deliver long-lasting security with minimal maintenance.

Help on Demand

LiveChat 9am–6pm, Mon–Sun • UK-based team • Fast, friendly help

Replacement Aluminium Windows

At Eco Frame Direct, we specialise in supplying and installing high-performance aluminium windows that combine sleek, modern design with outstanding energey efficiency. 

Perfect for both contemporary homesand traditional properties, our aluminium systems feature slim sightlines,advanced thermal break technology, and double or tripleglazing security, warmth and style.

Every aluminium window isbacked by our 10-year guarantee on frames and sealed units.And with flexible finance through Kanda, you can spread the cpst with affordable monthly payments.

* Eco Frame Direct is a credit broker, not a lender. Credit subject to status. Available on selected products. T&Cs apply.

Aluminium Windows FAQs

Honest answers to the most common questions about Aluminium windows – from energy efficiency and security to customisation and care.

Aluminium windows have slim frames, modern aesthetics and excellent strength. Unlike timber, they won’t swell, rot or warp — and they’re lower maintenance than uPVC.

Yes. Modern thermal breaks and high-performance double or triple glazing help retain heat in winter and keep rooms cooler in summer.

Absolutely. Choose from hundreds of RAL colours, dual-colour options and finishes like matt, satin
or textured. Add privacy or decorative glazing, bars and matching hardware.

Very little. Powder-coated frames resist corrosion and don’t need repainting. Just wipe them down occasionally to keep them looking new.

Strong aluminium frames combine with multi-point locks, internal glazing beads, and optional laminated or toughened glass.

Yes. Slim sightlines maximise light in modern homes, while heritage and flush options complement period properties.

Security & Sustainability

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PAS 24 Tested

Enhanced security with reinforced frames, cam locks, and internal beading for peace of mind.

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Secured by Design*

Police-preferred specification available on selected ECOSlide® sash windows for maximum security.

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Energy Efficient

A+ rated glazing with U-values as low as 1.3, helping to reduce heating bills all year round.

♻️

Recycled & Recyclable

uPVC profiles with sustainable recycled content and 100% recyclable at end of life.

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10-Year Guarantee

Comprehensive guarantee covering frames, glazing, and hardware for long-term reassurance.

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Install-Friendly

Engineered for smooth installation with consistent profiles, clearances, and easy-fit hardware.

*Secured by Design availability varies by product. Specification available on request.

Finance Options

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