How long shall I wait for a response from the Landlord? (Instant Book) AH Support 17 December 2019 11:27 Updated Follow Landlords have up to 2 working days to accept your Instant Book request. After this time, the request automatically expires. Related articles Why is the total Instant Booking price higher than the daily rate? My Instant booking request was unsuccessful. What happens now? How does payment for Instant Book work? What is Instant Book and how does it work? (Tenant) Who do I contact in case of an emergency?