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Unmistakable quality from the industry experts

Advanced Deceuninck 2500 PVCu profiles are a huge hit with customers looking for high-quality PVCu windows and doors. This sharp, bold profile is visually appealing whilst offering all the protection and performance expected from a modern window and door system.

Here at Dekko, we use it to fabricate a range PVCu windows and doors for contemporary homes and classic applications. Benefit from the reliability of a profile that comes extruded from industry specialists Deceuninck and comes with a range of hardware and in multiple woodgrain foil finishes for a premium aesthetic.

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Close op showing the wood foil finish on our Decueninck windows and doors


Featuring a sharp but understated Chamfered profile, their appearance is unquestionably attractive. Easily able to suit traditional and contemporary properties alike, they are available with a selection of hardware for added authenticity.

white window installed on a more traditional property


Suitable for use with double and triple glazing, the Deceuninck 2500 profile can achieve A+ energy ratings. Thanks to a multifunctional weatherseal that is welded at the corners, they offer superb weather resistance too.

High quality locking system for our windows


Despite achieving PAS24 accreditation, the Deceuninck 2500 profile can be fitted with reinforced glazing for an additional security boost. It’s also compatible with a range of high-security locking systems.

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    Add the finishing touch

    The Deceuninck 2500 system is compatible with all standard security hardware. This helps to provide a versatile solution to any application.


    Glazing for any application

    Available with numerous glazing options.  Select obscure glazing to increase privacy or leaded and decorative glazing to add character to a property. For commercial installations, choose reinforced glazing. For residential windows, obscured or decorative glass is popular for bathrooms and rooms which are overlooked or close to a busy street.


    Expertly crafted windows made to your exact requirements

    At Dekko Window Systems, we manufacture all our windows at our Lancashire factory.  We can create bespoke windows, designed, and fabricated to your exact specifications.  When you want to offer your customers high performance, style, and customisation, choose Dekko Window Systems as your trusted deceuninck supplier.

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    uPVC window manufactured using Deceuninck 2500 chamfered profile

    Start your project

    Schedule your complimentary quote consultation with a nearby specialist consultant who will:

    1. Provide you with an exact, obligation-free quotation.
    2. Present creative suggestions and practical remedies.
    3. Display product samples.
    4. Perform essential measurements as required.

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    By submitting your details you confirm that you agree to the storing and processing of your personal data by Dekko Window Systems as described in the privacy statement.


    Fast delivery and would highly recommend

    "Ordered double glazed window for our shop. Dealt with Nathan on the Trade Counter, who was excellent and went above and beyond the usual customer service. Window was very well made and arrived with no problems. Fast delivery and would highly recommend."

    Tony Spooner

    The windows look fantastic

    "Recently used Dekko Windows to supply the windows and aluminium bi-fold doors for our renovation project. We paid a short visit to their showroom where Rob and Neil were really helpful, showing us around and providing options for us. We were really happy with the whole process and the windows look fantastic. Would definitely recommend this company."

    Richard Kennedy

    Very happy with the level of service and products

    "I've been using Dekko Windows for a number of years now and have been very happy with the level of service and products. Rob and Neil have never failed to get back to me promptly with quotes and lead times etc and Leon the delivery guy is always happy, friendly and helpful whenever unloading frames on site."

    Peter Bain

    Excellent service

    "Excellent service. It's always a joy to deal with Rob, Neil and Leon. They always go out of their way to assist me with my projects and are very professional and friendly. Thanks again to the Swindon Dekko Team!"

    Jordan King