Be explicit about outbuildings and extensions
If your Chislehurst property includes a garage, office or other separate room or building, say whether you want it considered in the alarm proposal. Do not assume it is covered by an installation described only as a house alarm. Explain when the space is used and whether it must remain accessible while other areas are protected.
An extension can also change the route people use to enter and leave. If an existing alarm predates the alteration, request a review of its coverage and controls rather than only the addition of another device.
Discuss the practical installation
Tell us about existing cables, available power and the timing of any building work. Wireless equipment still needs to be suitable for the location and operating requirements. A decision about technology should follow an assessment, not simply the desire to avoid discussing routes through the building.
For a property with confirmed heritage restrictions, raise external equipment and cabling positions early. The installation brief should take those constraints into account alongside the intended detection and everyday use.
Make ongoing arrangements clear
Decide who can respond when the property is empty and discuss monitoring if that is important to you. Ask what response and ongoing costs the proposed service includes. Provide insurer wording where relevant before agreeing the specification. During handover, practise setting the intended areas in the combinations you will actually use. Keep the operating information accessible to authorised users and ask how maintenance or future alterations to the system will be arranged.