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Modern Looks with Great Views

The strength of aluminium allows for slim, stable frames and generous glazed areas. This can increase natural light and create clearer views without sacrificing the crisp appearance that makes aluminium popular for modern projects.

Powder-coated frames resist warping, corrosion and everyday weathering and require relatively little maintenance. Aluminium windows can suit new-build properties, extensions and replacement projects where clean sightlines and long-term durability are priorities.

Custom Colour Options

Our aluminium windows are available in a wide range of RAL colours and finishes. You can choose from subtle tones, bold shades, or something in between to suit your property’s look.

Dual-colour options are also available, letting you select one colour for the exterior and another for the interior.

White

White

Textured Anthracite Grey

Textured Anthracite Grey

Off White

Off White

Grey

Grey

Gloss White

Gloss White

Dark Red

Dark Red

Dark Grey

Dark Grey

Dark Green

Dark Green

Dark Brown

Dark Brown

Dark Blue

Dark Blue

Cream

Cream

Brown

Brown

Black

Black

Anthracite

Anthracite

Secure Your Home

A window's security depends on the complete specification, including the frame, glazing, hardware and installation. Our aluminium windows combine robust frames with quality locking components selected for the window style and project.

Every unit is made to measure and professionally installed. We will explain the security features included with the chosen system and any enhanced options available for your home.

window handle

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    aluminium window

    Aluminium or uPVC Windows: Which Should You Choose?

    Both materials can provide secure, energy-efficient replacement windows. The better choice depends on the property, desired appearance, opening size and budget rather than one material being right for every home.

    Sightlines and Appearance

    Aluminium is often chosen for its slim profiles and crisp, contemporary finish. uPVC can provide a softer or more traditional appearance and is available in a wide range of colours and wood-effect finishes.

    Strength and Larger Openings

    The strength of aluminium makes it well suited to designs with generous glazed areas and narrow-looking frames. The available sizes still depend on the particular window system and configuration.

    Budget

    Aluminium windows usually involve a higher initial investment than comparable uPVC windows. The final price depends on size, style, glazing, finish and hardware.

    Maintenance

    Both materials are relatively low maintenance. Aluminium’s powder-coated finish and uPVC’s coloured or foiled surfaces normally require straightforward routine cleaning rather than repainting.

    Where Do Aluminium Windows Work Best?

    Aluminium is associated with contemporary architecture, but its colour range and slim proportions allow it to work in many different settings. We can help tailor the style and finish to the property rather than applying the same modern look everywhere.

    Modern Homes and Extensions

    Dark, neutral and textured finishes can complement render, brick, timber cladding and large areas of glass, making aluminium a natural choice for modern extensions and self-build projects.

    Replacement Windows

    Made-to-measure aluminium windows can replace ageing timber, metal or uPVC units where the openings and surrounding structure are suitable. The design can be adjusted to balance slimmer sightlines with the character of the property.

    Traditional Properties

    Carefully selected colours, proportions and window styles can give aluminium a more understated appearance. Planning or heritage considerations should be checked where the building is listed or in a conservation area

    aluminium windows
    A house with new windows. The window frames are black aluminium.

    A Strong and Secure Window Style

    Aluminium has a high strength-to-weight ratio, allowing manufacturers to create slim frames that can accommodate generous glazed areas. This makes it particularly useful for openings where natural light, clean sightlines and a strong connection with the garden are important.

    Security comes from the complete window rather than the frame material alone. Depending on the selected design, features may include internal glazing, multi-point locking and robust hinges and handles. We will confirm the available hardware and glazing specification for the style you choose.

    Benefits of Aluminium Windows in Lincolnshire

    Choosing aluminium windows for a Lincolnshire home can offer several practical and visual advantages:

    • Durability: Powder-coated aluminium resists warping, corrosion and weathering.
    • Low maintenance: Frames generally need routine cleaning rather than regular painting.
    • Thermal performance: Thermally broken profiles and modern glazing help reduce heat transfer.
    • Slim appearance: Strong profiles can create narrower sightlines and generous glazed areas.
    • Colour choice: A wide range of finishes, including selected dual-colour options, helps coordinate the windows with the property.
    grey aluminium window
    window handle

    Energy-Efficient Aluminium Windows

    Aluminium conducts heat, so modern window systems include a thermal break between the internal and external parts of the frame. This reduces heat transfer and, together with suitable glazing, seals and professional installation, helps the finished window achieve modern energy-performance requirements.

    The appropriate glass specification will depend on the window size, orientation and objectives for the room. Options may include low-emissivity coatings, warm-edge spacer bars, gas-filled units and solar-control or acoustic glass where suitable. We will confirm which choices are available with the selected frame system.

    Durability and Maintenance of Aluminium Windows

    Powder-coated aluminium windows are designed to cope with changing weather without swelling, warping or needing regular repainting. Routine cleaning of the frames, glass, drainage channels and moving hardware will help keep them looking and operating at their best.

    Product life depends on the system, exposure, installation and maintenance, so we avoid promising the same lifespan for every property. We can explain the care guidance and guarantee that apply to the aluminium windows specified for your project.

    smart black windows

    Frequently Asked Questions

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    Visit Our Lincoln Showroom

    See our products up close at our Lincoln showroom. It’s the perfect place to explore styles, ask questions, and chat with our friendly team about what’s right for your home.

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    What Our Customers Say

    Read real reviews from happy homeowners.

    We asked Cliffside to replace our old conservatory including new foundation’s. We chose the solid roof option from Lela and had the interior plastered and...
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    John C

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    We have used cliffside for a while, they carry out all our repairs and new windows/doors on the rental properties, we have found the fitting...
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    Martin & Co Lincoln

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    Had new windows installed, brilliant customer service they made everything very easy and quick 10/10 would recommend to everyone.

    Georgia Hancock

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    I just had a new door with windows fitted by Cliffside Windows and extremely happy inside and out - a light-filled hallway and fantastic curb...
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      By submitting your details you confirm that you agree to the storing and processing of your personal data by Cliffside Windows as described in the privacy statement.

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