Since being established in 1977, The Rose Collection has become the most authentic uPVC sash windows manufacturer and supplier throughout the Olney, Milton Keynes and the UK. Exclusively engineered by long-established manufacturer Roseview Windows, have devoted ourselves to perfecting the uPVC sash windows. No other company in the world has as much experience in the design, manufacture and installation of traditional look uPVC sash windows. In 1985 we made the first uPVC sliding sash windows in the UK, if not the world. Today, we still make the best in Olney and Milton Keynes.