CFD for stair pressurisation — when is it worth the fee?

Clients baulk at the modelling cost on anything under ~15 storeys. Where's your cut-off where CFD pays for itself vs prescriptive?

Natural ventilation smoke control on 30m residential

Still defensible in 2026, or are you routinely specifying mechanical? What's the trigger that pushes you off natural?

BIM tools your team actually uses for fire

Revit + a dedicated fire plug-in? Full Pyrosim? Custom scripts? Interested in honest reviews from teams shipping real projects.

Staged evacuation in care homes — your triggering logic

Vertical vs horizontal phasing, linked to compartmentation failure detection. Writing the design statement — what actually gets past the approvals body?

Performance-based design post-Grenfell — harder with Building Control?

Feels like every alternative solution now triggers a conversation. Genuinely harder, or selection bias on the jobs you're getting?

Evacuation drills — what have yours revealed?

Most drills are scheduled, expected, and clean. Useful for compliance, less so for genuine learning. What has happened when you have run less predictable drills — unscheduled, at s…

Stay-put vs simultaneous evacuation in high-rise residential

Post-Grenfell guidance has shifted significantly on stay-put, with more buildings now under simultaneous evacuation or waking watch regimes. A few questions for the channel: What i…

Share your PEEP template

PEEPs are often rushed and rarely truly personalised. I would love to see templates the community has built and refined over time. If you can share a sanitised version (nothing ide…