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31 March 2018 is the last possible date to lodge a BASIX certificate issued using the pre-July targets under the transitional arrangements with the consent authority

Projects created using the pre-July targets under the transitional arrangements need to be finalised and the BASIX certificates will need to be lodged with the consent authority within 3 months of date of issue, but no later than 31 March 2018.

After 31 March 2018, projects created under the transitional arrangements, if they are still in progress and no certificates have been generated, will be subject to the higher energy targets and thermal comfort provisions introduced on 1 July 2017.

In cases where the BASIX certificate has been generated and lodged with the consent authority (before 31 March 2018) revisions can still be made using the pre-July targets. BASIX certificates generated using the pre-July targets that are subject to an existing DA or CDC can also be revised using the same targets.

31 December 2017 saw the end of the transitional period for the BASIX energy targets

In July 2017, the NSW Government increased the BASIX energy targets and made changes to the thermal comfort requirements. A six-month transitional period was put in place for eligible homes but this expired on 31 December 2017.

All new homes and units are now subject to the higher energy targets introduced on 1 July 2017.

In order to be eligible for the transitional arrangements, home buyers needed to have signed a building contract before 31 December 2017. If your project was created in BASIX under the transitional arrangements but a contract was not signed by this date, your project will now be revised and will need to meet the higher targets that were introduced on 1 July 2017.

However, in cases where the BASIX certificate has been generated and lodged with the consent authority (before 31 March 2018) revisions can still be made using the pre-July targets. BASIX certificates generated using the pre-July targets that are subject to an existing DA or CDC can also be revised using the same targets.

More information on applying for the pre-July transitional arrangements is available here.

Westpac Transport Layer Service (TLS)

On 9 October 2017, Westpac will be implementing changes to their payment gateway to ensure online payments are more secure.

To ensure you can continue to make online payment within the BASIX application, users will need a browser that supports the encryption standard known as "TLS 1.2".

If you experience trouble, you may be using an unsupported internet browser or your browser has disabled the supported encryption protocols.

To ensure your browser complies, it is recommended that you upgrade your browser to the latest version.

For more information on this issue, visit:
https://qsportal.atlassian.net/wiki/display/DOC/TLSv1.2+Browser+Compatibility

Transitional arrangements

BASIX energy targets increased on 1 July 2017

Energy targets for houses and units increased on 1 July 2017. Energy settings for thermal comfort, heating and cooling have also changed.

View the updated BASIX energy target zones map here.

View the updated thermal comfort heating and cooling caps here.

Transitional arrangements

The new targets do not apply to projects already lodged with the consent authority for approval, to projects with a planning consent (DA or CDC) or those currently under construction.

Additionally, the new targets do not apply to new home buyers who have signed a building contract up to the value of $1.5 million before 31 December 2017. For more detailed information on these transitional arrangements, view the BASIX Transitional arrangements – information sheet.

For Councils and certifiers, additional information on BASIX Certificates issued under the pre-July transitional arrangements is available here .

Development on unregistered land parcels

In some cases, people enter into a building contract before the land parcel has been officially registered. If this is the case, you will still be able to generate a BASIX certificate via the website and log back in at a later date once the land has been registered.

The land will need to be registered and the BASIX certificate updated before the consent authority can issue a development approval or a complying development certificate.

New BASIX energy targets

Energy targets for houses and units increased on 1 July 2017. Energy settings for thermal comfort, heating and cooling have also changed.

Typically, the energy targets for houses and low-rise units increased by 10 per cent, and by 5 per cent for mid and high-rise units.

The settings for thermal comfort heating and cooling changed in line with what was proposed in the 2013-14 BASIX Target Review.

These changes were announced in A Draft Plan to Save NSW Energy and Money, which was released by the Minister for the Environment in October 2016. They are part of the Government’s plan to reduce energy bills faced by households by ensuring that NSW remains a leader in delivering energy efficient housing.

You can view the updated BASIX energy target zones map.

You can also view the updated thermal comfort heating and cooling caps.

Following the introduction of new BASIX energy targets the BASIX Helpdesk is experiencing high call volumes. The Department is committed to dealing with calls as quickly and efficiently as possible.

The Department has prepared an updated series of frequently asked questions which reflect the key issues raised by users on the BASIX Help Desk. For more information, please see the BASIX Target Changes - Frequently Asked Questions.

Limit on default number of dwellings increased

largeprojectThe number of detached and attached dwellings that can be entered on one multi-dwelling certificate has been increased from a default limit of 100 to 200. The number of units that can be entered for a residential flat building (or buildings) has increased from 200 to 600.

Users are however advised to read the new BASIX help note Guide to Managing Large Project Files prior to entering a large number of dwellings in the one certificate. Some users have previously reported issues with calculating and saving large project files and where possible, dividing large projects between a number of certificates may provide a better outcome.

If dwellings in addition to the increased limits are required, users will still need to contact the BASIX help desk to overwrite the default limits.

BASIX online data reporting

The BASIX quarterly outcomes data has been updated to include dwelling numbers for the first quarter of 2016.

The data update includes the number of dwelling issued a BASIX Certificate for January to March 2016 in the categories of detached houses, attached houses and units in residential flat buildings. The number of bedrooms and number of storeys (for residential flats) is also included in the data update.

Data can be viewed in chart format or download as CSV files.

To view the data, go to www.datareporting.planning.nsw.gov.au and select ‘Outcomes (all project types) – Dwellings – Dwellings by quarter' from the options on the BASIX  'Create reports' selection menu.

Amendments to the BASIX thermal comfort protocol – February 2016

The BASIX thermal comfort protocol dated 01/12/2014 is amended to specify the expiry dates of the following versions of BERS Pro and FirstRate5 in BASIX:

  • BERS Pro version 4.2 release 110811
  • FirstRate5 version 5.1.x

Download a copy of the amended thermal comfort protocol.
BERS Pro version 4.2 release 110811 and FirstRate 5 version 5.1.x can continue to be used for BASIX simulation method until 01 May 2016. When using the above versions of software, assessors should continue to refer to the earlier BASIX thermal comfort protocol dated 01/05/2013.

Note that this will be the final extension of the expiry date of BES Pro version 4.2 release 110811. Conditional short-term approval of BERS Pro version 4.3.0.0 (3.13) for BASIX simulation method will also expire by 01 May 2016.

Visit the announcement from the NatHERS administrator for more information on the progress of BERS Pro version 4.3, and the expiry of accreditation of BERS Pro version 4.2 release 110811.

BASIX online data reporting

The BASIX online reporting function allows anyone to access information from the BASIX online assessment database. The information is collated from BASIX certificates for new homes that were built in NSW since 2005.

Providing access to BASIX online reporting will allow you to:

Read more: BASIX online data reporting

Xmas/New Year & January maintenance shutdown

Xmas/NY shutdown: The BASIX help desk will be closed from Monday 21 December and will reopen on Monday 4 January. BASIX customers can still contact the Service NSW customer services on 13 77 88 or This email address is being protected from spambots. You need JavaScript enabled to view it., and they will be able to address a range of simple queries regarding the use of BASIX. Specialist advice on the use of the BASIX tools will be answered on our return to normal business hours commencing Monday 4 January 2016.

Read more: Xmas/New Year & January maintenance shutdown

Changes to the BASIX helpline

We are making some changes to how we handle enquires to the BASIX helpline and email. The changes will help us better track your enquiry and assist in providing you with timely and appropriate responses. They will not affect how you contact us, either via our 1300 phone number or the BASIX email.

From Monday 30 November 2015, all enquiries to the BASIX 1300 helpline or BASIX email address will be initially handled by Service NSW.

Read more: Changes to the BASIX helpline

Amendments to the BASIX thermal comfort protocol – October 2015

The BASIX thermal comfort protocol dated 01/12/2014 is amended to specify the date of approval of BERS Pro version 4.3.0.0 (3.13), and the expiry dates of the following versions of BERS Pro and FirstRate5 in BASIX:

  • BERS Pro version 4.2 release 110811
  • FirstRate5 version 5.1.x

Download a copy of the amended thermal comfort protocol.

Read more: Amendments to the BASIX thermal comfort protocol – October 2015

National Energy Efficient Buildings Project

Building Energy Efficiency Regulations for Renovations - A Message for Certifiers and Energy Efficiency Assessors

The National Energy Efficient Buildings Project (NEEBP) is working to improve energy efficiency in new buildings, renovations and additions, on behalf of the Commonwealth, state and territory governments.

Read more: National Energy Efficient Buildings Project

NatHERS Benchmark Study 2013

Assessors who use Nationwide House Energy Rating Scheme (NatHERS) accredited software are being asked to take part in a NatHERS benchmark study. 

Read more: NatHERS Benchmark Study 2013

Inactive user accounts to be deleted

During the New Year we will be undertaking some BASIX housekeeping and deleting inactive user accounts. Inactive accounts are those that have never been verified, accounts unused for 12 months with no projects or certificate and replicated accounts where users have multiple accounts containing the same information with no projects and certificates.

Read more: Inactive user accounts to be deleted

Introducing our new look website

We have listened to our users by introducing a new, easier to navigate website that will help you find information contained within the website quickly and efficiently.

Read more: Introducing our new look website