There are concerns housing developers are paying little attention to design and/or comfort.
Christchurch building company, KR Construction, and the Green Building Council are questioning whether townhouses are fit for purpose.
They claim many new builds are getting far too hot and have moisture issues.
KR Construction Director Dan Richardson told Mike Hosking townhouses are a particularly new type of build.
He says standalone houses have been built for about 150 years, while townhouses have only been hitting the market more in the last 10.
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The Mike Hosking Breakfast