An average loft room conversion / second storey addition in New Zealand will cost approximately $200,000 to $450,000+.These days many people are deciding to stay in their homes and maximise the space they've got. Here is how you can make the most of your loft while keeping renovation costs down.n average loft room conversion / second storey addition in New Zealand will cost approximately $200,000 to $450,000+.
1 Costs for trucking goods vary depending on weight and distance traveled, but a coast-to-coast trip will cost anywhere between $2,000 and $5,000. 2  Rail: Rail shipping is the most cost effective mode of transportation for products that need to travel more than 700 miles on land.
Additional costs. Shipping a car overseas may cost more if the car needs to be stored at the terminal for some days waiting for the preferred container or ship to port. Shipping dock storage commences from $100 to $900 depending on the storage distance from the port.