Can going beyond the Building Code with insulation be justified financially? Some new BRANZ research aimed to find out.
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Most new houses are built on a concrete slab ground floor. Some surveys indicate that the national average is 80% of new houses built on concrete, although there is some regional variation. The main reason for the dominance of concrete is cost. But on some sloping sites, timber floors can be cheaper.
What is the cost of a roof cladding over its life? What is its environmental impact? The BRANZ website has a spreadsheet tool that has the answers for residential claddings.
Employment levels in the building industry are at an all-time high, and with more work set to come on stream, they are predicted to rise further. The problem is, these people may be hard to find.
Clients that are clear about what they want, designers that provide sufficient detail and better project management by builders would improve the performance of small building firms, a recent BRANZ survey finds.
Some designers and new-build clients are uncertain about the cost and value impacts of incorporating a range of design choices. To help, BRANZ has developed a table showing some price spreads in new homes.
Although some retrofit measures may take several years to achieve payback, retrofitting can improve the resale value of your house.