Revisit coverage after a layout change
An Eltham home with an extension, converted room or altered entrance may no longer follow the route assumed by its original alarm. Tell us which doors are used and which rooms remain occupied at different times. If the system is being reviewed, the question is whether the whole arrangement still suits the household, not simply where to add another detector.
For business premises, explain whether rooms have been divided, combined or put to a different use. Include staff who enter independently of normal opening hours so their routine can be considered.
Make installation sequencing sensible
Where refurbishment is underway, mention when floors, ceilings or other routes will be accessible. The proposal should account for the practical sequence of work and any limits on finished surfaces. If heritage or ownership restrictions affect equipment positions, resolve them for the address before booking.
Ask what can be retained from an existing installation and what requires replacement. Similar-looking components are not proof of compatibility. A clear quotation identifies the agreed scope and avoids leaving the condition of old equipment as an unexplained assumption.
Include the people who will use it
Discuss part-occupied operation, notifications and who responds when the property is empty. Monitoring and maintenance should be explained with their separate responsibilities and charges. Provide written insurer conditions if they apply. At handover, practise the routine using the entrances you normally use and ask how later alterations should be handled. Keep the operating information available to authorised users rather than relying on one person's memory.