Calls are Free From Most BT Landlines Depending on the Time of Day. ORDERS PLACED BY 2PM WILL BE DISPATCHED ON THE SAME DAY. All measurements are length x width x height. Flat-Pack Single Wall 24″x18″x18 Boxes. (SEE MAP BELOW – ZONES A&B). Collection is available from our 60,000 sq ft warehouse in Hayes, Middlesex. Our aim is to keep our customers 100% happy.