UPVC Vertical Slider

Homeowners looking to find high quality sliding sash windows to replace their existing ones won’t find better than vertical sliding sash windows from Capital UPVC.

Not only do these replacement sash windows look exactly like their traditional timber predecessors, they are also significantly more energy-efficient and much simpler to maintain. These technically advanced double glazed sash windows offer heritage and technology in perfect partnership.

Ideally suited to homes with a traditional look and feel, they offer the added benefits of improved heat retention and security. You no longer need to worry about problematic weights and cords or any of the drawbacks typically associated with traditional sliding sash windows such as swelling, squeaking or continual repainting. With upvc sash windows from Capital UPVC you can simply make the most of the effortless gliding operation and relax in the knowledge that when you use a Capital UPVC installer, your peace of mind is guaranteed.

Think windows? Think Capital! To find out more about our UPVC vertical sliding sash windows – contact our team today on: 029 2047 2700 or use an online contact form on our website.

Vertical Sliding Sash Windows - Additional Information
Vertical Sliding Sash Windows - Additional Information

Replace Your Timber Sliding Sash Windows With Capital UPVC!

Are you looking to replace your traditional timber sliding sash windows? If you have timber windows, you likely may be experiencing or susceptible to issues such as rot or elemental damage. Our UPVC Sliding Sash Windows require little no maintenance and are highly resistant to elemental damage, meaning that you can enjoy your new UPVC sliding sash windows all year round!

If you are looking for new replacement windows then we highly recommend our UPVC sliding sash windows. Not only do they look fantastic, they also offer a wide range of practical benefits for your property.

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    Preferred Appointment Date


    After the announcement made by the Prime Minister on 23rd March 2020.

    Capital UPVC Ltd has followed the government’s guidance regarding COVID-19 and will be closed from 24th March until further notice.

    We will monitor advice given by the government and aim to resume business as usual as soon as we have the all clear for everyone’s safety We feel this is the best decision to ensure the safety of our Capital UPVC family and loyal customers during this sad time.

    We will contact all customers that have installations to re-arrange and all sales calls will be updated tomorrow also.

    We will keep all our customers updated, we will follow the day to day announcements and will update you on through our social media pages.

    If you do have any questions or queries please do not hesitate to email us at:


    Please stay in, look after yourselves and your families, love to all and please all stay safe


    Russell & Jamie Capital UPVC Limited