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Aluminium Lumi Windows in Belfast and across Northern Ireland

Slimline Aluminium Lumi Windows in Belfast and across Northern Ireland

If you live in a modern style home and want to benefit from the latest developments in window system design, Turkington Windows are proud to supply and install Lumi windows. With their completely flat, uninterrupted profile, these radically styled windows bring a wall of light successfully into your home.

This intelligent piece of engineering is the first of its kind on the market, bringing all the design benefits of frameless double glazing with all the strength, security and internal styling of more traditional windows and doors.

Minimalist design that still brightens your home

When opting for a Lumi window from Turkington Windows you get all of the specified benefits without a product that ever feels invasive. The frame sports a sleek design with concealed hinges that allows for smooth action and a high weight load. The Lumi window system allows for oversized openings and minimalist design, offering all homeowners endless light.

Another hidden feature comes in the form of a tucked away double rebate and double gasket seal that makes for some exceptional U-values, ensuring that your home is the pinnacle of energy efficiency every time.

  • Videos
  • Energy Efficiency
  • Colours
  • Security
  • Videos

    Lumi Energy Efficiency

    Lumi Evolution

    Lumi French Doors

    Lumi Installation

    Lumi Installation

    Lumi Product Video

    Lumi Windows

    Energy Efficiency

    As the most energy efficient window option on the market, the Lumi window range is specifically designed to conserve energy alongside excellent weather resistant qualities. Totally draught free, it’s 50mm triple glazed toughened glass fitted as standard provides effective noise reduction qualities that are second to none. Complete with ground-breaking U-values from as low as 0.7, the Lumi window system enables considerable energy savings for eco-conscious homeowners right across Ireland.

    Interior view of a Lumi windowLumi casement window close upLumi2 Cross Section


    Fully customisable, our Lumi windows are available in a wide selection of finish options for the exterior and interior frames. Whether you decide on a single colour or dual colour to enhance and compliment your home is completely up to you!


    Secure windows and doors

    Your security is at the heart of all of our home improvement products, making no exception with our highly secure Lumi window range. Considering around 30% of intruders enter through a window, we fit all of our Lumi window systems with the Winkhaus high security lock as standard. Furthermore, Lumi windows have completely concealed hinges for ultimate peace of mind that your home is safe and secure with a Lumi window installation.

    Security FAQs

    Choosing the right window for your house

    Double Glazing Across Ireland

    With showrooms in Lisburn & Portadown we are ideally placed to supply and install windows, doors and conservatories all across Belfast and Northern Ireland, as well as the greater Dublin area and counties Monaghan, Meath and Louth.

    Holding ourselves to the most stringent standards, as such we are members of the following organisations to ensure our service is ethical and top quality.

    GGF logo
    TSI approved code logo
    TGAS the glazing arbitration scheme logo
    ultra installer logo
    BitC business in the community logo
    investors in people logo
    NI Environmental Benchmarking Survey 2022