Finest Bespoke Casement Windows

Incorporating traditional joinery methods with modern energy performance, our superior timber casement windows beautifully match the period architecture of your home. Handcrafted and installed by our expert fitters, we use sustainable materials to ensure optimum energy performance.

With over four decades of experience, our casement style windows are manufactured in accordance with your individual requirements, creating unparalleled aesthetics alongside enhanced security features.

For a free quotation please call 01753 858196.

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Our Core Specifications

While each of our casement windows are manufactured to bespoke requirements, there are several core features which appear in all of our designs. These include:

  • Full weather stripping for acoustic and thermal performance
  • Manufactured from FSC Certified timber
  • Factory double glazed 4/16/4tough/tough low-E argon fill to meet Part L
  • Internal glazing for a secure anti-burglar solution and easier maintenance
  • Fully silicon sealed glazing
  • Bespoke friction hinges
  • A 20mm wide elegant OVOLO glazing bar

Personalisation

Along with standard elements, our double-glazed casement windows can include customisable features, if requested, which include:

  • Stained and curved glass options
  • The option to include traditional butt hinges
  • A choice of metal finishes for hardware and handles
  • Factory finished in a RAL colour of your choice

 

Security and Guarantee

With the fitting of all our timber casement windows, we also install polished chrome key locking casement handles, giving you peace of mind, and remaining sympathetic to the original features of your home.

Our industry leading wood casement window frames come with a 50-year guarantee, as well as a 10-year glazing unit guarantee. Insured by the Independent Warranty Association, we want you to feel as confident as we do about your new windows.

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    REQUEST A QUOTATION

    Our experienced estimators are available to survey your property and guide you through the many options that are available to you.

    Why choose the original box sash windows company?

    A 50-year guarantee on every frame

    10 year glazed unit guarantee

    Enhanced energy performance

    Sustainably sourced highest quality materials

    Tailored to the character details of your home

    Hand crafted double glazing as standard

    Secure multipoint locking mechanisms

    Superior quality & low maintenance

    Finished with high quality microporous paint

    Glazing

    We manufacture all our own glazing units to ensure maximum thermal insulation and acoustic properties, utilising double glazed safety glass as standard. In fact, we were the first to develop and patent double glazed sash windows.

    We can also tailor the glazing to your exact requirements – incorporating other glazing styles and specifications such as toughened and laminated glass, acoustic glass, and textured, obscured or stained glass.

    Mouldings

    All of our traditional timber windows feature authentic mouldings that will perfectly complement your property. Our bespoke internal mouldings are created to match the original mouldings in your home, while outside detailing such as glazing bars and horns are matched to existing features.

    We can also finish our windows in your preferred colour. Just quote us your chosen paint and reference and we will make an exterior quality paint to match.

    Hardware

    For the perfect finishing touch, hardware, including handles and hinges, can be supplied in antique brass, chrome, satin chrome, black and pewter. Bespoke fittings can also be arranged on individual specification.

    50-year window frame guarantee

    Our industry-leading sash window frames come with a 50 year guarantee insured by the Independent Warranty Association (and all glazing units come with a 10-year guarantee). We want you to be as confident in your new windows as we are.

    Enhanced energy efficiency

    Your double-glazed sash windows will be flush-sealed and Argon-filled to maximise insulation and sound-proofing, so you can reduce your energy bills without compromising on authenticity.

    Individual details as you require

    If you want to finish your sash window in a certain colour, add some stained glass or even upgrade to curved glazing, we can accommodate your individual needs to match your home perfectly.

    For more information or to arrange a home visit for a quotation please contact us on 01753 858196 or email info@boxsash.com

    Duration of guarantee
    Duration of guarantee