Atrium definition
Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses, defines an atrium as:
'A space within a building, not necessarily vertically aligned, passing through one or more structural floors.'
Note: Enclosed lift wells, enclosed escalator wells, building services’ ducts and stairways are not classified as atria.
The plural of atrium is ‘atria’.
NB Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines an atrium as:
'A continuous space that passes through one or more structural floors within a building, not necessarily vertically.'
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Reasons for using MVHR systems
6 reasons for a whole-house approach to ventilation.
Supplementary Planning Documents, a reminder
As used by the City of London to introduce a Retrofit first policy.
The what, how, why and when of deposit return schemes
Circular economy steps for plastic bottles and cans in England and Northern Ireland draws.
Join forces and share Building Safety knowledge in 2025
Why and how to contribute to the Building Safety Wiki.
Reporting on Payment Practices and Performance Regs
Approved amendment coming into effect 1 March 2025.
A new CIOB TIS on discharging CDM 2015 duties
Practical steps that can be undertaken in the Management of Contractors to discharge the relevant CDM 2015 duties.
Planning for homes by transport hubs
Next steps for infrastructure following the updated NPPF.
Access, history and Ty unnos.
The world’s first publicly funded civic park.
Exploring permitted development rights for change of use
Discussing lesser known classes M, N, P, PA and L.
CIOB Art of Building 2024 judges choice winner
Once Upon a Pass by Liam Man.
CIOB Art of Building 2024 public choice winner
Fresco School by Roman Robroek.
HE expands finance alliance to boost SME house building
Project follows on from Habiko public-private place making pension partnership for affordable housing delivery.
Licensing construction; looking back to look forward
Voluntary to required contractors (licensing) schemes.
A contractor discusses the Building Safety Act
A brief to the point look at changes that have occurred.
How orchards can influence planning and development.