The Government has published a document listing amendments to Volumes 1 and 2 of Approved Document B which will come into effect in September 2026.
These amendments principally concern:
- Threshold for the provision of a second staircase in blocks of flats with a storey 18m or more in height.
- Evacuation shafts are introduced to support the provision of evacuation lifts.
- Changes to provisions for fire doorsets.
- New terminology including definitions for evacuation shaft, evacuation lift lobby, interlocked stair and storey exit.
- Provisions for horizontal escape and vertical escape separated as per the structure of Volume 2.
The 2019 edition incorporating the 2020 and 2022 amendments will continue to apply where a building notice or an initial notice has been given to, or a building control approval application with full plans made to, the relevant authority before 30 September 2026 and either the building work to which it relates:
- has started and is sufficiently progressed before that day; or
- is started and is sufficiently progressed within the period of 18 months beginning on that day
You can view the amendments at the link below:
Fire safety: Approved Document B
FIS will publish further detailed guidance on these changes in the coming months.
See more news likes this
HSE clamping down on dust
Every week, workers in the construction industry develop serious lung diseases that can have a devastating impact on them and their families. During June, HSE will be carrying out a health inspection initiative focusing on the respiratory risks to construction workers...
CITB Levy to return to pre‐pandemic rates
The Levy Order 2022 has now been approved by Government, which means the CITB Levy returns to its pre‐pandemic rates of 0.35% for PAYE and 1.25% for Net CIS. CITB has confirmed it will be issuing Levy Assessment Notices in June and the last date for employers to...
CITB to invest over £233 million to support the industry
CITB has published its Business Plan 2022/23 setting out how it will invest over £233 million to support the industry to address its skills challenges. The plan is focussed on three key areas: responding to the skills demand, developing the capacity and capability of...



