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
New members needed for CONIAC SME Working Group
The Construction Industry Advisory Committee (CONIAC) is looking for individuals to join its Supporting Small Employers working group. The Health and Safety Executive is supported by a range of advisory committees and industry groups. These bodies may be concerned...
Two major tax changes for construction in the next 12 months
In the next 12 months there are not one, but two, major changes for construction. The new off-payroll working rules come into force for medium and large companies but the changes which result will impact on people working through their own limited companies, so some...
FIS announces new FIS Skills Board Chair
FIS is delighted to announce the new Chair of the FIS Skills Board, Operations Director at Stortford Interiors (UK) Paul Leach Paul will take up his two year non-executive role this month and will ensure that the views of the FIS membership are fairly represented...



