Sash Windows
The award winning sash window specialist company "Masterframe" supplies our sash windows. No other company in the United Kingdom has Masterframe's expertise or experience in the design and manufacture of vertical sliding PVC-u sash windows - after all, it's all they make. Chelmsford Patio Doors Ltd are Masterframes preferred installer for our region.
The Bygone Collection windows have all the advantages that modern technology can bring - no timber to rot, shrink or swell, no replacement cords needed, no sticking. 
With ease of cleaning, superb insulation and great longevity, they are extremely cost effective. The elegant proportions of traditional sash windows have been retained, but modern PVC-u technology has eliminated all the inconveniences and discomforts that timber sash windows are known for. Quite simply, the best of both worlds.