Summary: Learn how to close a fireplace with a cast-iron surround, close a fireplace with a timber surround, close a fireplace with a tiled surround, close a fireplace with a brick or stone surround, close a fireplace with a raised hearth, brick up an opening, board up an opening and fit a chimney cowl.
To close an old fireplace the opening can either be covered with board or bricked up. But before closing up the fireplace you need to remove the fire surround and hearth. Fire surrounds can be made of cast-iron, timber, brick, stone or tiled.