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.