Provisional BER Calculations, Part L Specification, Part L 2019 NZEB Consultancy Services

A Provisional BER calculation is required before you start to construct a new home. The assessor software will check the design for compliance with the relevant Part L regulations. We offer a bespoke service that saves time and money by doing all of the design work, demonstrating compliance and creating an easy to follow energy design specification document that can be used for the tender process or as a simple step by step guide for the self builder to follow.

We work with you throughout the project to ensure the specification is implemented and complies in full With TGDL 2019 NZEB.

Contact us now to book this service on 046 9046099

    Your journey to a more sustainable living starts here.


    Are you preparing for your self-build journey? Or maybe you are a contractor or architect looking to make sure that your tender package complies with TGDL? If so, why not avail of McGann Energy Consultants bespoke consultancy package which will ensure the end product is fully compliant with TGDL 2019.

    McGann Energy Consultants provide tailored packages that include the following,


    • Provisional BER calculation
    • TGDL specification compliance demonstration
    • DEAP 4.2.0 dwelling report
    • Detailed energy design specifications access to a dedicated consultant for the duration of the construction phase.
    • Final BER survey and certificate registration

    Contact us now to discuss your project on 046 9046099