Call us for any enquiry +44(0) 2838 393 030
Or use our freephone 0800 028 1812

uPVC Sash Windows in Belfast and across Northern Ireland

uPVC sash windows have gained popularity as a replacement to timber in heritage properties as well as for new builds. These PVC windows are ideal for homeowners who want the classic charm of timber sash windows but don’t want the maintenance hassles attributed to this material.

Classic uPVC sash windows for homes in Belfast and across Northern Ireland

We install our replacement uPVC sash windows across Northern Ireland, including Lisburn and Belfast. Whether you reside on a modern property and you’re looking to add a heritage style, or you live in a period property and want to retain the historic charm, we’ve got the ideal new uPVC sliding sash windows for you.

Combining the traditional wooden sash window aesthetic with the modern benefits of uPVC, you can be sure that you’re choosing the best replacement sash window for your home.

A range of uPVC sliding sash window designs

Sash windows - high security

Our uPVC sash windows boast a variety of authentic features such as a deep bottom rail, Georgian or Astragal bar detailing, the option of a run-through sash horn and fly screens for a traditional timber effect sash window appearance. We can perfectly replicate your existing sliding sash windows to adhere to any building regulations, however, this means that you can benefit from the industry-leading performances of our modern uPVC.

These decorative features come together to create a window that replicates the appearance of a traditional timber window minus the maintenance. It even has a tilt-in facility making it easy to clean the glass and frames from inside a property.

The robust mechanism also allows you to choose between double glazed sash windows or triple glazing to meet your specific requirements.

uPVC sash windows in a range of wood effects and colours

When it comes to modern uPVC, the design options are huge. You can choose from contemporary grey and black, or classic white and cream. We also offer a number of authentic wood effects, including Irish Oak and Rosewood. With such a plethora of colour options, we can be sure to design the perfect replacement sliding sash windows to complement your home.

Why choose uPVC sash windows over timber?

While it is one of the most affordable window option materials available, it excels in its performance. uPVC is one of the nation’s most popular materials as it’s highly durable and robust so they’ll continue to perform like new regardless of the weather conditions, whilst keeping your home protected from forced entry. It’s maintenance-free too, so unlike timber, you won’t need to apply wood protection to protect the frames. They’re able to achieve low U-values and A+ energy ratings, ensuring they will improve your home’s energy efficiency.

  • Videos
  • Energy Efficiency
  • Colours
  • Security
  • Videos

    Energy Efficiency

    Our high-quality PVC sliding sash windows, combined with energy efficient A-rated, low-e glass fitted as standard, provides homeowners across Ireland with a low maintenance timber alternative that will last for many years to come. Not only do our PVC sliding sash windows reduce your carbon footprint by effectively sealing your home from the cold with high quality draught proof glazing, they can enable considerable energy savings via their excellent weather resistant qualities too.

    Vertical sliding window from inside with drivewayVertical slider interior viewChartwell green vertical sliding windowVertical slider corner


    Fully tailor-made, our popular heritage inspired PVC sliding sash windows are available in traditional white or subtle cream for authentic painted sash window aesthetics. Alternatively, opt for one of our stunning woodgrain foil effects and achieve the sophisticated appearance of natural timber windows without any of the hassle. Tailored to your own individual personal taste, the exciting Turkington Windows sliding sash colour palette truly complements the classic charm that sliding sash window design is renowned for.


    Secure windows and doors

    Your security is at the heart of all of our home improvement products, making no exception with our highly secure sliding sash window range. Considering around 30% of intruders enter through a window, we provide complete peace of mind by offering a full security package as standard that proactively utilizes the latest locking technology.

    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