2026

  You’ve found your dream period home. The proportions are perfect, the character is undeniable, and those original sash windows catch the light just right. But here’s the question every buyer dreads: what’s really going on behind that fresh coat of paint? At NJS Sash Windows, we’ve spent nearly two decades saving period property buyers from…

Preserving the character of one of Peterborough’s most historic villages If you own a period property in Castor, you already know you live somewhere special. Nestled approximately five miles west of Peterborough city centre, this historic village has been continuously occupied since at least Roman times and boasts a rich heritage that few other villages…

From the academic spires of Cambridge to the rural tranquillity of Peterborough’s historic hamlets, Cambridgeshire is home to some of the most desirable—and expensive—property in the East of England. Whether it’s the “chocolate-box” thatched cottages of the Hemingfords or the multi-million-pound Edwardian homes in Great Shelford, this is a county where heritage and elegance matter.…

Nestled in the heart of the East Midlands, Oakham and the historic county of Rutland are renowned for their timeless English charm. From the grandeur of Oakham Castle to the beautiful period homes and listed buildings that line the town’s streets, this is an area steeped in architectural heritage. Preserving this unique character requires…

 Many homeowners don’t realise that traditional sash windows were designed to do much more than simply let light into a room. They were also engineered to improve airflow and help keep homes cooler during the summer months. If your sash windows still open correctly, they can provide an effective form of natural ventilation that…

  Written by the NJS Sash Windows Team We’re proud to announce that NJS Sash Windows has been featured in House Beautiful, and Country Living one of the UK’s leading home and interiors publications. The article explored how traditional period homes were cleverly designed to stay cool during warmer months — long before modern…

Welcome to the NJS Sash Windows advice centre. Since 2005, we have specialised in restoring and repairing traditional timber sash windows across Stamford, Peterborough, Cambridge, and surrounding areas. Browse our expert guides covering sash window repairs, restoration, glazing upgrades, maintenance and the history behind Britain’s traditional sash windows. Sash Window Repair Guides

Have you ever wanted to become a professional sash window restoration specialist or learn the traditional skills needed to restore timber windows correctly? After years restoring sash windows on period homes, listed buildings and historic properties, we are opening our workshop to a limited number of people each year who want to learn the…

Expert Sash Window Repairs & Restoration Peterborough NJS Sash Window Repairs offers traditional sash window restorations to Peterborough and surrounding villages. Our services are a perfect fit for sticky, rattling, drafty, and deteriorating sash windows. Since our founding in 2005, our focus has been the preservation of original timber sash windows and avoidance of…