The Building Codes on fire performance standard for most countries are referred to as the British Standards (BS 476: Part 20 to 24). As the New European Standard being adopted in the continental and UK, it will gradually substitute BS 476 and the current equivalence are listed below:
BS 476: Part 20: 1987 (BS EN 1363-1: 1999)
Method for determination of the fire resistance of elements of construction (general principles)
BS 476: Part 21: 1987 (BS EN 1365-1 to 6: 1999 - 2004)
Methods for determination of the fire resistance of load-bearing elements of construction
BS 476: Part 22: 1987 (BS EN 1364-1 & 2: 1999)
Methods for determination of the fire resistance of non-load-bearing elements of construction
BS 476: Part 23: 1987 (BS EN 1634-1:2000)
Methods for determination of the contribution of components to the fire resistance of a structure
BS 476: Part 24: 1987 (BS EN 1366-1: 1999)
Method for determination of the fire resistance of ventilation ducts
BS 7346: Part 3: 1990 (BS EN 12101-1 2005)
Specifications for smoke curtains