These are three different starting points
In Lozells, Newtown and Birchfield, explain whether a key has disappeared, snapped or stopped operating the lock. Keep the remaining broken piece if available and avoid adding force. If you have gained access through an authorised alternative, say so: the appointment may then concern restoring security rather than emergency entry.
About this B19 enquiry area
For Lozells, Newtown and Birchfield, tell us if a key has been lost, snapped or simply stopped turning. Keep any broken pieces and avoid forcing another key into the cylinder.