Our Heritage door, with its slim 51.7mm sightlines, can be fitted as a single or a double door and you can use it to create a hugely fashionable fully glazed wall by adding fan and side lights with matching fixed light transoms. Our Heritage windows have sightlines or just 43mm in a fixed light and 66mm frame to vent and there are lots of opening configurations available so you can choose what suits you and your home best.