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 COVID-19 pandemic update
Updated advice on ventilation and air conditioning during the pandemic HSE has updated and expanded its advice to help employers provide adequate ventilation in their workplaces during the pandemic. This guidance builds on helping to identify and take action in poorly...
FIS Acoustic Verification Scheme: New video, It’s about integrity…
FIS has launched a new video to help support understanding of the process and values behind the Acoustic Verification Scheme. This verification scheme was established in 2019 to introduce standard methodology and support honest and consistent declaration of acoustic...
Quick Covid round-up – testing, lockdown easing and latest from HSE
HSE inspection indicate how industry has stepped up BuildUK reported to the House of Commons Work and Pensions Committee this week, within the report was the update that the HSE which has visited 4,300 construction sites, with 10% being sent written correspondence and...



