1. Tap your profile icon, then Addresses.
  2. Tap Add new address or the pencil icon to edit an existing one.
  3. Enter your postcode and pick your address, or drop the pin on the map.
  4. Add delivery notes (e.g. "ring the top bell") so your driver can find you easily.
  5. Tap Save.

Your default address is used at checkout — you can always change it before placing an order.