Arriving at the bach: follow the bags all the way inside

Draw the load, then draw its journey

Take a site plan and floor plan together. Mark where your vehicle would stop, then draw a different line for each main type of load. Follow every line to its final destination. Stopping at the front door hides most of the exercise.

Use the things you actually carry. A chilly bin held between two people makes different demands from a shoulder bag. A folded pushchair or a long board needs to turn corners. Mark the gates, doors and changes of direction along the way, and ask the designer to check the route with those objects in mind.

• Where does each load first come out of the vehicle?
• Which doors or gates must be opened while carrying it?
• Does it pass through a room where someone might already be resting?

Put another arrival on the drawing

Imagine a hypothetical Friday evening. One household is already inside making dinner when another arrives with groceries, bags and children. Draw both vehicles in their intended positions and show the space needed to unload. Can the second group use the route you have just planned?

I would check what happens when someone carries food towards the kitchen while somebody else heads back for another load. Note any point where both people must stop or retreat. Sometimes moving a gate, changing a storage position or choosing a different unloading spot is worth exploring before adding more indoor space.

• Can the boot be reached with the other vehicle parked?
• Where can someone wait without standing in the unloading route?
• Does the route rely on moving outdoor furniture every visit?

Give outdoor gear its own destination

Trace sandy or muddy equipment separately from groceries and bedding. If you want it stored outside the main house, check that the storage can be reached directly from the unloading spot. A shed on the drawing does little for this journey if getting to it means carrying everything through the lounge.

Ask how the route would work in rain and after dark, including where lighting controls can be reached on arrival. Bring questions about steps, surfaces, drainage and shelter to the designer so the route is considered with the site levels and construction details.

Run the departure in reverse, with different conditions

Packing up is not simply an arrival played backwards. Some people may still be eating while bags are ready to leave. Others may need to retrieve something from a bedroom after the first car has been loaded.

Mark a temporary place for packed belongings and check whether people can still move through the house around them. Then trace the last journey out: the final bag, the person checking the rooms and the person waiting by the vehicle. If that journey depends on a particular door staying open, include it in the design discussion.

• Can packed bags wait without blocking a doorway?
• Can one household leave while another stays?
• What needs to remain accessible until the final moment?

Use the routes to compare design options

For an existing bach, photograph the awkward parts of unloading and mark them on the plan. Ask for options that address those specific points. Alison's published feedback on her Waiheke holiday-home reconfiguration describes receiving design options as the ideas developed. That is the kind of conversation I would encourage: make the practical problem clear enough to compare possible responses.

If you are planning a new bach or changing an existing one, bring your marked routes to an initial conversation. We can discuss how arrivals and departures could fit the wider layout.