Secondary Glazing London provide the best possible style of vertical sash windows, this style of windows is the most popular for home owners and consists of two main panels that slide up and down, held by the most durable spring to hole the weight of each panel. With all the mechanism working in tandem, this allows the windows to be operated with ease and minimal effort.

One of the main essentials are that the windows mimic the external windows, it requires the middle joining bar (transom bar) to aligned perfectly with primary window, it ensures that none of the elegance of the main window is overshadowed by the secondary window and blends in well with any room.

With our recent innovation we have come to a stage where we can provide our consumers with an easy to clean internal secondary sash window with out the flaws of the conventional system. The slim line profile sits effortlessly against any type of period window with a sliding system designed to sit securely within the master frame, this will alleviate any exterior noise and keep the inside well insulated

We also offer a heavy-duty secondary system for commercial use, which can house thicker glass and or be double-glazed. This specialised system can solve many existing issues where a conventional system may not be appropriate.