Our authentic UPVc vertical sliding box sash windows imitate 17th-century windows perfectly and are ideal for older traditional properties or in areas of conservation. They are designed to offer modern solutions without compromising on the traditional look and feel of the sash window. Listed and conservation areas can be found in London, Surrey, Kent, and Sussex, some of which have approved the installation of UPVc sash windows. Our sash windows are available in UPVc, timber, and aluminum profiles, each one sourced from the best UK manufacturers and complement a variety of other products that we offer.
Our UPVc vertical sliding sash windows are manufactured in the United Kingdom and boast some of the most authentic features available in the UK today. Osborn Glass offers three unique sash windows, the Charisma, Heritage, and Ultimate ranges. The Charisma range is very popular in the new build sector but also favored for rentals as this window is competitively priced. The Heritage range has more of a timber look with many options available. The Ultimate range is a real timber look alike. it is the only UPVc window in the UK that has a 35mm meeting rail – It has a wood-grain finish as standard with run-through horns, deep bottom rail, and bespoke furniture. Just some of the features offered are shown below.
Our UPVc vertical sliding sash windows are available in a wide range of colours and finishes, complementing the style of your property.
We offer white, Rosewood, Cherrywood, Irish Oak windows, or white woodgrained* windows. We also offer Rosewood, Cherrywood, Irish Oak, and black on white. A bespoke colour bonding service is also available, choose from the RAL colour chart for yours. *grained colours are also available white inside
The UPVc vertical sliding sash windows operate using the best spring balances, individually designed and built to suit each individual window. Giving the window smooth operation, the spring balances have been rigorously BBA tested to well over 20,000 cycles and will last a lifetime.
UPVc vertical sliding sash windows come with A rated double glazed units as standard, we can offer some glass choices to match the features of your existing windows such, obscured glass, internal Georgian bar, and faced fixed astragal bar. See our window-decorative-effects page for the full range.
Our timber or wooden box sash windows are perfect replacements for older traditional properties such as Victorian, Edwardian and Georgian styles. When replacing sash windows timber would be most clients first choice, and in some cases the only choice for areas of conservation, listed or for properties with heritage stature. Our timber sash windows are designed to offer modern solutions to without compromising on the traditional look and feel.
Our sliding aluminium windows are versatile, durable solution for flats, commercial properties and domestic houses. Unlike UPVc and timber sliders, aluminium sliders can slide both vertically and horizontally. Our dualslide is the new solution to vertical and horizontal sliding windows, utilising advanced polyamide thermal break technology. Dualslide provides high thermal performance without the need to resort to foam filled profiles or complex and costly sealed unit specifications.