Due to maintenance work on the 22 September 2026, the Historic Environment Record (HER) system will not be available between 2.00pm and 7.00pm. We apologise for any inconvenience this may cause.
A type of clay that is capable withstanding high temperatures of a furnace or kiln. Fireclays are often found in connection with coal seams, so collieries often had a brickworks.
To explore more glossary entries click on a letter.