What days of the week do you deliver?
If it's a one-man delivery service, your furniture will be delivered by DPD, and should arrive within a one-hour pre-allocated time slot. DPD deliver on weekdays between 9.00am and 5.00pm.
Two-man deliveries are made by ArrowXL, and should arrive within a pre-allocated two-hour time slot. Arrow XL deliver to most of the mainland UK, and will only deliver on weekdays and Saturdays (depending on your postcode), between 7.00am and 7.00pm.