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Slimline steel replacement windows & doors

An excellent aluminium replacement for traditional steel windows and doors in a range of colours.

METICULOUS ATTENTION TO DETAIL

Our aluminium slimline steel replacement windows and doors are crafted to perfectly emulate the timeless appeal of traditional steel windows and “crittal” style windows (Please note that we do not supply the Crittall brand). Meticulously designed with a keen attention to detail, our windows and doors are so well-crafted that it’s difficult to distinguish them from steel windows. Our slimline steel replacement windows feature joints that closely resemble those found on traditional steel windows, further showcasing the exceptional craftsmanship that goes into their production.

Our slimline aluminium steel replacement doors and windows are extremely popular due to their ability to replicate the sleek look of some traditional steel windows while still maintaining the charm of your original heritage windows. We even offer french door styles that can be replicated to complement your existing aesthetic. Our steel replacement windows and doors can be used both externally and internally, making them a versatile and elegant choice for any property.

PERSONALISATION

Looking to add a personal touch to your new aluminium steel replacement doors and windows? We offer over 200 RAL colours to choose from, as well as 12 stock colours at no additional cost. Plus, with our twin colour options, you can create a unique look that perfectly suits your style. And for those who want to embrace the heritage feel, we have a bespoke range of handles to choose from. Visit our Brasted showroom to view our full range of windows and doors on display and discuss your project with our experts.

We also offer free onsite consultations and no-obligation quotations, with friendly and unbiased expert advice to help you make the right choice. All our steel replacement and art deco replica window and door products are on display in our Brasted showroom, which is easily accessible from Kent, Surrey, and Sussex.

With aluminium, you can achieve the contemporary art-deco look you want in a replacement steel window or door. Contact us today to find out more.

Why choose slimline steel replacement windows made of aluminium?

  • Low U Values + excellent thermal efficiency
  • Slim sightlines
  • Low maintenance
  • Over 200 RAL colours to choose from + stock colours
  • Complies with modern Building Regulations.

Our Google Reviews

  • Delighted with the new windows that we just had fitted. They are top quality and look amazing. They were very professionally fitted, with great attention to detail. I thoroughly recommend them.

    Scott MacDonald Avatar Scott MacDonald
    November 27, 2020
  • If you've ever built a house you'll appreciate how hit and miss glass contractors can be, but The Window Sanctuary stand out as reliable, good quality and easy to deal with. The guys turned up on time, worked really hard and did a fantastic job. I wouldn't hesitate to recommend this company.

    Rebecca Stiasny Avatar Rebecca Stiasny
    February 24, 2021
  • The Window Sanctuary supplied and installed a window in the current house we are restoring. We were extremely happy with the service and quality of the window. Would definitely recommend this company for your period windows.

    sheldon partridge Avatar sheldon partridge
    August 20, 2021
  • Fantastic service and quality products I had my front door replaced by The Window Sanctuary and I am delighted with the results. The fitters were punctual and polite. The process was so quick & easy and any queries I had were dealt with very efficiently. I have no hesitation in recommending this company and will definitely use them again in the future.

    James Collins Avatar James Collins
    January 8, 2020
  • A great experience with these guys from beginning to end. We had 2 windows replaced and had them altered to larger sizes. Also had 2 doors replaced, one to a full size which meant taking out walls and sidelights. A messy job but the team came in and within 2 days it was out with the old ones, all rubble taken away, and new frames in. The second team then came in to install the glass and the bars and make good the walls inside and out to a fine finish. Couldn't fault it. Amazing work. Would and have recommended this company to everyone who has seen and admired our new windows and doors. A++++

    Judith Monk Avatar Judith Monk
    November 18, 2020

CONTACT US OR VISIT OUR SHOWROOM TO DISCUSS OUR
ELEGANT RANGE OF WINDOWS AND DOORS.