About Us

SJB Sash Windows Specialists is a family-run business, serving the London area since 2001. We specialise in the manufacturing and installation of bespoke traditional timber sash windows & doors.

Our range of traditionally hand crafted products are not only designed to improve energy efficiency but also maintain the kerb appeal & architectural integrity of your property.

SJB Sash Windows cover all stages of ownership, from manufacturing to installation of new bespoke sash windows or beautiful doors.
Our products are of the highest quality of product and services on the market today.

At SJB Sash Windows our goal is to provide you with a courteous, expedient, and professional service of the highest calibre. We are of course happy to answer any questions you may have about our company or our services.

casement windows london

About Us

SJB Sash Windows Specialists is a family-run business, serving the London area since 2001. We specialise in the manufacturing and installation of bespoke traditional timber sash windows & doors.

Our range of traditionally hand crafted products are not only designed to improve energy efficiency but also maintain the kerb appeal & architectural integrity of your property.

SJB Sash Windows cover all stages of ownership, from manufacturing to installation of new bespoke sash windows or beautiful doors.
Our products are of the highest quality of product and services on the market today.

At SJB Sash Windows our goal is to provide you with a courteous, expedient, and professional service of the highest calibre. We are of course happy to answer any questions you may have about our company or our services.

Each quotation we supply is tailored to our customer’s individual requirements. The replacement windows are bespoke and handcrafted to order, to ensure an authentic reproduction.

With our wealth of experience, we provide a superior service for our clients and take pride in assisting them achieve their goals. Our many years of experience and commitment to excellence have earned us the reputation as the leading sash window specialist in the area.

We are confident we can provide our customers with a high quality, yet affordable solution for upgrading your bespoke handcrafted timber sash windows.

casement windows london

Our Team

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Why choose our windows?

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Sjb Joinery Team

Our professional joiners are fully trained to carry out all work to an exceptionally high standard. A thorough survey of your property generates window measurements from which our joinery team uses modern cutting technology to ensure your windows are a perfect fit.

Sjb Painting Team

The newly manufactured sash windows are treated with timber preservation which protects from wet and dry rot. After this the windows receive primer and three coats of a micro porous acrylic paint. All windows are then hung and dried in our dedicated drying room.

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Sjb Glazing Team

The frames next arrive in the careful hands of our professional glazing team. Your glass of choice is cut to precise measurements and carefully fitted with a eye on every detail.

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Sjb Fitting Team

The completed units are now ready for installation and our fully trained fitting team now take centre stage. The team will provide a professional service of the highest calibre. On all jobs we lay out dust sheets and place carpet on top of any wood or tile flooring to prevent any damage; all power tools are connected to vacuums to combat the spreading of dust.

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Sjb Support Team

If you have any questions either before or after a job, or would like to speak with an SJB Sash Windows representative regarding our Sash Windows, we are always happy to discuss your needs, so do not hesitate to get in touch via email or telephone.

Projects we have completed

We’ve mastered our craft over many years of manufacturing & installing a wide range of
Sash, Casement, and Doors into a wide variety of homes.

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Windows Installed
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Doors Installed
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Years Of Experience

How We Work

Each quotation we supply is tailored to our customer’s individual requirements. The replacement windows are bespoke and handcrafted to order, to ensure an authentic reproduction.

With our wealth of experience, we provide a superior service for our clients and take pride in assisting them achieve their goals. Our many years of experience and commitment to excellence have earned us the reputation as the leading sash window specialist in the area.

We are confident we can provide our customers with a high quality, yet affordable solution for upgrading your bespoke handcrafted timber sash windows.

Our Affiliations