John Edwards, Cadw’s Assistant Director for Properties in Care, explains why sash windows should be cherished to help retain character – and stay energy efficient Windows help give a building ...

While there's no disputing the charm of original sash windows, if you've moved into a period property, due to their potential age, you may find them less energy efficient than other types of windows.

Windows help give a building character. They are the eyes that look out on the world and let the world get a glimpse of what lies within. If you think about how we draw a house, it’s often with four ...