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
Home tests for workers
From 6 April, companies with 10 or more employees who cannot work from home will be able to order home test kits for their employees where it is not possible to set up a testing site in the workplace. The deadline to register for workplace testing has been extended...
Improved pre-qualification system goes live
Major contractors now adopting the Common Assessment Standard Build UK has announced that the new industry-wide pre-qualification (PQ) system is now fully up and running, simplifying a complex system for the benefit of everyone in the construction sector. The rollout...
FIS launches technical note on specifying acoustic absorbers
To help specifiers understand the performance of wall mounted acoustic absorbers, FIS has published a new technical note, Specifying Acoustic Absorbers where they will be installed against a wall. The sound quality of a room often doesn’t need a specialist to tell you...



