This is the process of installing a new box sash window :- ««« Step 1 The Old Window After dust sheeting a room, we then carefully remove the existing window. Step 2 »»» The Old Window taken out We then tidy the aperture to ensure all surfaces are sound, minimising damage to the surrounding wall ««« Step 3 The New Window after being installed The new window is carefully installed Step 4 »»» Job Complete The new window, fully fitted, plastered and sealed