First, keep the household away from the entrance
If insects repeatedly use a hole beside the steps or a gap under the roof, avoid that point and keep pets away. Use another route when possible. You do not need to climb a ladder, lift a board, or tap a wall to confirm that something is active. A description from a safe distance is enough to begin arranging an assessment.
A food visitor is different from a nest
Wasps visiting a drink, bin, or outdoor meal may be foraging rather than nesting at that spot. Repeated traffic into one fixed opening raises a different question. State which behavior you see, where people pass, and whether the suspected entrance is above ground, in the ground, or within a structure. Do not block an active opening in an attempt to stop the traffic.
Identify what is using the porch
Bees, social wasps, and solitary wasps have different habits and management needs. Ask how identification and access will affect the proposal. A concealed nest may need a different approach from an exposed one, and nest work does not automatically include carpentry. Mention a porch light, nearby door, or other fixed reference so the assessment can locate the concern without anyone approaching it for a closer photograph.
Get the access instructions before work
Call about Bristol stinging-insect options with the entrance people need to use. Ask what area must remain clear, what precautions apply during and after work, and whether any later repair should wait. Confirm how persistent activity will be assessed. The practical goal is an understandable plan for the affected doorway, with the nest response and any building task kept in the right order.
Further reading: Local or pest background