Collecting and using rainwater
Find out how you can collect rainwater for your garden and household.
Practical advice on smarter home essentials
Note that this document is published by the Ministry of Business, Innovation and Employment Chief Executive as Guidance under Section 175 of the Building Act 2004. This is a guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case.