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.
This is the cost of shipping the unit divided by the number of pieces in the unit. For example, if it costs $1.00 to ship a unit of candy bars to you, and a unit contains 10 candy bars, then the Shipping Cost per Piece is $0.10.et Cost per Piece. The Net Cost of each piece in your unit. The Net Cost is the sum of the Cost per Piece and the Shipping Cost per Piece. For example, if the Cost per Piece of an item is 1.00 and the Shipping Cost per Piece is $0.10 then the Net Cost per Piece is $1.10.