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
Industry sets out single framework to measure journey to Net Zero
Construction leaders have agreed clear targets for the industry to unite behind in its mission to drive carbon out of the sector. On 20 July the Construction Leadership Council (CLC) published its Construct Zero Performance Framework. For the first time the framework...
Places available on Interior Systems Installer Training course
The National Construction College in Bircham Newton (Norfolk) have scheduled two courses to train apprentices in Dry Lining Fixer Boarder, Interior Systems Installer. These are block release courses and although the employer will lose apprentices for up to three...
Can employers make COVID testing mandatory?
It is predicted the UK could face 2 million* cases of COVID-19 during the summer months. With the end of COVID restrictions and work from home guidance, there’s huge challenges for employers to keep their workplaces and people safe as cases continue to rise. With...



