Separated part of a building
Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines a separated part (of a building) as:
'Part of a building that is separated from another part of the same building by a compartment wall. The wall runs the full height of the part and is in one vertical plane. (See Appendix D, Diagram D5.)'
[edit] Related articles on Designing Buildings Wiki
- Approved Document J.
- Cavity barrier.
- Compartment floor.
- Compartment wall.
- Escape route.
- External fire spread, Supplementary guidance to BR 187 incorporating probabilistic and time-based approaches.
- Fire and rescue service.
- Fire compartment.
- Fire damper.
- Fire detection and alarm systems.
- Fire resistance.
- Fire risk assessments and historic buildings.
- Fire safety design.
- Fire-separating element.
- Fire spread.
- Fire-stopping.
- Firefighting lift.
- Firefighting route.
- Installing fire doors and doorsets (GG 86).
- Joint fire code.
- Means of escape.
- Protected escape route.
- Protected stairway.
- Unprotected escape route.
Featured articles and news
New Scottish and Welsh governments
CIOB stresses importance of construction after new parliament elections.
The sad story of Derby Hippodrome
An historic building left to decay.
ECA, JIB and JTL back Fabian Society call to invest in skills for a stronger built environment workforce.
Women's Contributions to the Built Environment.
Calls for the delayed Circular Economy Strategy
Over 50 leading businesses, trade associations and professional bodies, including CIAT, and UKGBC sign open letter.
The future workforce: culture change and skill
Under the spotlight at UK Construction Week London.
A landmark moment for postmodern heritage.
A safe energy transition – ECA launches a new Charter
Practical policy actions to speed up low carbon adoption while maintaining installation safety and competency.
Frank Duffy: Researcher and Practitioner
Reflections on achievements and relevance to the wider research and practice communities.
The 2026 Compliance Landscape: Fire doors
Why 'Business as Usual' is a Liability.
Cutting construction carbon footprint by caring for soil
Is construction neglecting one of the planet’s most powerful carbon stores and one of our greatest natural climate allies.
ARCHITECTURE: How's it progressing?
Archiblogger posing questions of a historical and contextual nature.
The roofscape of Hampstead Garden Suburb
Residents, architects and roofers need to understand detailing.
Homes, landlords. tenants and the new housing standards
What will it all mean?




















