Avoice Regs: UK building regulations, searchable and cited. Every answer carries the clause it comes from.

Approved Document N

Glazing: safety in relation to impact, opening and cleaning

About Approved Document N

Approved Document N gives guidance on the safety of glazing in relation to impact, opening and cleaning. It covers how glazing is protected or made visible, and how windows are opened, closed and cleaned safely.

What it covers

  • Protection against impact with glazing
  • Glazing in small panes and permanent screen protection
  • Manifestation of glazing so that it is easy to see
  • Safe opening and closing of windows
  • Safe access for cleaning windows