Building Code update consultation June 2020

Days left

Submissions due: 17 April 2020, 4pm

This is the fourth public consultation under the biannual Building Code update programme.

MBIE understands that due to the current COVID-19 situation and changing organisational and personal priorities, there may be difficulty in meeting the consultation deadline of Friday 27th March 2020.

To be sure that those who want to participate in the consultation process can, MBIE will be extending the consultation period by 3 weeks. The closing date will now be 4pm Friday 17 April 2020.

MBIE will continue to monitor the situation, and consider the impacts of COVID-19 on the remainder of the June 2020 update cycle – including delivery of the update and the sector's ability to respond to the changes.


Proposed amendments to the Building Code will:

  • improve building features for fire fighter operations in emergencies
  • amend fire testing requirements so international fire test methods can be considered
  • introduce a new Acceptable Solution for the design and installation of stormwater drainage systems
  • increase clarity on provisions for kitchen and laundry overflows in densified housing

These proposed amendments will support high density housing, make consenting easier and ensure buildings are safe, healthy and durable.

The Ministry of Business, Innovation and Employment (MBIE) seeks your views on proposals for the following Acceptable Solutions and Verification Methods relating to Building Code clauses C1 – C6 Protection from Fire, E1 Surface Water, E2 External Moisture, E3 Internal Moisture, G9 Electricity and G13 Foul Water:

  • C/VM2, C/AS1, C/AS2
  • E1/AS1, E1/VM1, E1/AS2
  • E2/AS1
  • E3/AS1, E3/AS2
  • G9/VM1, G9/AS1
  • G13/AS1, G13/AS2, G13/AS3

The most significant proposed amendments aim to do the following:

  • amend fire testing requirements so international fire test methods can be considered
  • improve building features for firefighter operations in emergencies
  • introduce an extra stormwater drainage option
  • provide more compliance options for internal moisture

The purpose of biannual Building Code update programme is to ensure effective management of the Building Code documents. MBIE aim to continuously improve these documents so the Building Code keeps pace with modern construction methods and reflects New Zealand society.

Submissions close at 4pm on 17 April 2020.

Copyright in AS/NZS 3500.3:2018 Plumbing and drainage Part 3: Stormwater drainage is jointly owned Standards Australia Limited and the Crown in right of New Zealand, administered by the New Zealand Standards Executive. Reproduced with permission from Standards New Zealand on behalf of the New Zealand Standards Executive under copyright licence LN001364.

How to make a submission

You can make a submission using one of the following options:

  1. Completing our online submission form (preferred)
  2. Completing and emailing the submission form template to
  3. Completing, printing and posting the submission form template to:
    Building Performance and Engineering Team
    Building System Performance
    PO Box 1473
    Wellington 6140
    New Zealand 
  4. Typing or writing out your submission to the above email address or postal address.

The consultation document includes questions for you to respond to in your submission. These questions are listed in full in the submission form. Please note you do not need to answer all of these questions.

If you have any questions about the submission process, please email

Last updated: 20 March 2020