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.
Please note that shipping costs are determined by the total weight of your item(s) and the shipping destination(s) of your order. Shipping fees include the cost of processing your order, handling and packaging your products, and delivering them to you and/or your designated recipients.