Installation service local rate Inside M25 + 10 miles boarders - 3.6 x 3.6 Knightsbridge Sliding door polycarbonate roof gazebo. Complete instal service with floor screw down to decking or patio etc.. The service includes securing to your patio if required. We will call you to book a convenient date to instal your gazebo usually completed within 10 working days from poiny of order. Please await fitters call to book your install date.