Velux Windows Our fully qualified tradesmen have installed Velux Roof Windows for many years. Installing VELUX Roof Windows can transform an otherwise dark area into a light-flooded, well ventilated living space. VELUX Centre Pivot Roof Windows Centre Pivot Roof Windows add daylight to your home to create a visual impact. They offer excellent quality, versatility and value for money. VELUX Top Hung Roof Windows Top Hung Roof Windows give an uninterrupted view when fully open, creating extra headroom and a feeling of being outside. VELUX Flashings Roof Window Flashings will provide a weathertight seal between your VELUX roof window and roofing material.